Climate of Belfast
| Belfast, United Kingdom | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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The climate of Belfast features a temperate maritime climate (Köppen: Cfb) with relatively mild summers, cool winters and abundant rainfall throughout the year. There are several weather stations in Belfast, with the main stations being at Stormont Castle which since 1959 has been recording temperature and rainfall records. Another weather station closer to the city centre at Newforge has been recording observations since 1982. Further afield, another station is located at Belfast International Airport, which has been recording observations since 1930.
Within the Belfast City District, the highest temperature recorded is 31.2 °C (88.2 °F) at Ravenhill Road on 21 July 2021,[2] and the lowest temperature recorded is −13.5 °C (7.7 °F) at Newforge on 22 December 2010.[2] Although at Belfast International Airport located 12 miles west of the city, a temperature of 30.8 °C (87.4 °F) was recorded on 18 July 2022[3] whilst a temperature of −14.9 °C (5.2 °F) was recorded on 22 December 2010.[4]
Classifications
| Climatic scheme | Initials | Description |
|---|---|---|
| Köppen system[5] | Cfb | Oceanic climate[a] |
| Trewartha system[6] | Do | Temperate oceanic climate |
| Alisov system[7] | N/a | Temperate climate[b] |
| Strahler system[8] | N/a | Marine west-coast |
| Thornthwaite system[9] | C2 B'1
|
Moist subhumid |
| Neef system[10] | N/a | West side/maritime climate |
Temperature
The average yearly high temperature in Belfast is 13.7 °C (56.7 °F) and the average yearly low is 6.3 °C (43.3 °F). The average daily mean is 9.9 °C (49.8 °F).
Averages
| Climate data for Belfast (Newforge),[c] 40 m (131 ft) amsl, 1991–2020 normals | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Mean daily maximum °C (°F) | 8.2 (46.8) |
8.8 (47.8) |
10.5 (50.9) |
12.8 (55.0) |
15.7 (60.3) |
17.2 (63.0) |
19.7 (67.5) |
19.4 (66.9) |
17.3 (63.1) |
13.8 (56.8) |
10.7 (51.3) |
8.4 (47.1) |
13.7 (56.7) |
| Daily mean °C (°F) | 5.2 (41.4) |
5.5 (41.9) |
6.8 (44.2) |
8.8 (47.8) |
11.4 (52.5) |
14.0 (57.2) |
15.6 (60.1) |
15.4 (59.7) |
13.5 (56.3) |
10.4 (50.7) |
7.4 (45.3) |
5.4 (41.7) |
9.9 (49.8) |
| Mean daily minimum °C (°F) | 2.2 (36.0) |
2.1 (35.8) |
3.1 (37.6) |
4.7 (40.5) |
7.0 (44.6) |
9.7 (49.5) |
11.6 (52.9) |
11.5 (52.7) |
9.6 (49.3) |
6.9 (44.4) |
4.2 (39.6) |
2.3 (36.1) |
6.3 (43.3) |
| Source: Met Office[11] | |||||||||||||
| Climate data for Belfast (Newforge),[d] 40 m (131 ft) amsl, 1961–1990 normals | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Mean daily maximum °C (°F) | 7.3 (45.1) |
7.4 (45.3) |
9.5 (49.1) |
11.7 (53.1) |
14.6 (58.3) |
17.6 (63.7) |
19.0 (66.2) |
18.7 (65.7) |
16.6 (61.9) |
13.6 (56.5) |
9.6 (49.3) |
8.1 (46.6) |
12.8 (55.0) |
| Daily mean °C (°F) | 4.5 (40.1) |
4.6 (40.3) |
6.1 (43.0) |
8.0 (46.4) |
10.6 (51.1) |
13.5 (56.3) |
15.1 (59.2) |
14.8 (58.6) |
12.9 (55.2) |
10.4 (50.7) |
6.6 (43.9) |
5.3 (41.5) |
9.4 (48.9) |
| Mean daily minimum °C (°F) | 1.8 (35.2) |
1.8 (35.2) |
2.8 (37.0) |
4.2 (39.6) |
6.7 (44.1) |
9.4 (48.9) |
11.1 (52.0) |
10.9 (51.6) |
9.2 (48.6) |
7.3 (45.1) |
3.6 (38.5) |
2.5 (36.5) |
6.3 (43.3) |
| Source: Met Office[11] | |||||||||||||
Extremes
Due to Belfast having an oceanic climate, extremes of temperatures are rare. Furthermore, as the city is located on the coast of the Irish Sea, wind chill is enhanced as a result of stronger winds as well as heat indexes being higher than areas further inland as a result of the higher humidity found close to bodies of water.
| Climate data for Belfast, 1959–present extremes[e] | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °C (°F) | 15.0 (59.0) |
16.4 (61.5) |
20.2 (68.4) |
23.1 (73.6) |
26.2 (79.2) |
30.0 (86.0) |
31.2 (88.2) |
29.3 (84.7) |
25.8 (78.4) |
21.5 (70.7) |
17.8 (64.0) |
15.6 (60.1) |
31.2 (88.2) |
| Record low °C (°F) | −12.6 (9.3) |
−12.2 (10.0) |
−9.6 (14.7) |
−6.0 (21.2) |
−5.0 (23.0) |
−0.1 (31.8) |
1.7 (35.1) |
0.8 (33.4) |
−1.1 (30.0) |
−3.2 (26.2) |
−8.0 (17.6) |
−13.5 (7.7) |
−13.5 (7.7) |
| Source 1: Met Office[12] | |||||||||||||
| Source 2: Starlings Roost Weather[13][14] | |||||||||||||
Highest daily temperatures
|
Lowest daily temperatures
|
Daily record warm minima
|
Daily record cold maxima
|
Highest Averages
|
Lowest Averages
|
Precipitation
Precipitation is fairly regular throughout the year in Belfast, with no wet or dry season as a result of its oceanic climate. All extreme rainfall records were recorded at Stormont Castle since 1961.
Averages
| Climate data for Belfast (Newforge),[f] 40 m (131 ft) amsl, precipitation 1991–2020 normals | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Average precipitation mm (inches) | 88.5 (3.48) |
70.3 (2.77) |
71.4 (2.81) |
60.4 (2.38) |
59.6 (2.35) |
69.0 (2.72) |
73.6 (2.90) |
85.0 (3.35) |
69.6 (2.74) |
95.8 (3.77) |
102.3 (4.03) |
93.3 (3.67) |
938.7 (36.96) |
| Average precipitation days (≥ 1.0 mm) | 14.4 | 12.7 | 12.6 | 11.3 | 11.5 | 11.4 | 13.0 | 13.5 | 11.6 | 13.8 | 15.5 | 14.8 | 156.2 |
| Source: Met Office[11] | |||||||||||||
| Climate data for Belfast (Stormont Castle),[g] elevation: 56 m (184 ft), precipitation 1991–2020 normals | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Average precipitation mm (inches) | 92.5 (3.64) |
71.6 (2.82) |
73.9 (2.91) |
64.4 (2.54) |
67.7 (2.67) |
74.4 (2.93) |
77.0 (3.03) |
86.0 (3.39) |
74.6 (2.94) |
97.2 (3.83) |
102.5 (4.04) |
95.2 (3.75) |
976.9 (38.46) |
| Average precipitation days (≥ 1.0 mm) | 15.3 | 13.1 | 13.3 | 11.6 | 12.3 | 11.5 | 12.4 | 13.6 | 11.5 | 13.3 | 15.4 | 14.5 | 157.8 |
| Source: ECA&D[15][16][17] | |||||||||||||
Extremes
Lowest
|
Highest
|
Other Phenomena
Sunshine, UV and daylight
Like most of the British Isles, Belfast sees frequent overcast and cloudy skies due to the oceanic controlled climate and high latitude.
| Climate data for Belfast (Newforge),[h] 40 m (131 ft) amsl, sun 1991–2020 normals | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Mean monthly sunshine hours | 40.1 | 65.2 | 97.7 | 157.1 | 185.1 | 151.1 | 146.3 | 141.9 | 112.0 | 92.4 | 52.9 | 35.3 | 1,277 |
| Mean daily daylight hours | 8.0 | 9.7 | 11.9 | 14.1 | 16.1 | 17.2 | 16.6 | 14.9 | 12.7 | 10.5 | 8.5 | 7.4 | 12.3 |
| Average ultraviolet index | 2 | 2 | 2 | 3 | 4 | 4 | 4 | 4 | 3 | 3 | 2 | 2 | 3 |
| Source 1: Met Office[1] | |||||||||||||
| Source 2: WeatherAtlas[18] | |||||||||||||
Wind
The mean yearly wind speed at 10m in Belfast is 9.8 mph (8.5 kn). Records were recorded at Belfast International Airport.
| Period | Mean wind speed at 10m[1] |
|---|---|
| Annual | 9.8 mph (8.5 kn) |
| January | 11.3 mph (9.8 kn) |
| February | 11.3 mph (9.8 kn) |
| March | 10.8 mph (9.4 kn) |
| April | 10.0 mph (8.7 kn) |
| May | 9.4 mph (8.2 kn) |
| June | 8.7 mph (7.6 kn) |
| July | 8.3 mph (7.2 kn) |
| August | 8.3 mph (7.2 kn) |
| September | 8.9 mph (7.7 kn) |
| October | 9.9 mph (8.6 kn) |
| November | 10.2 mph (8.9 kn) |
| December | 10.5 mph (9.1 kn) |
Station Data
| Climate data for Belfast (Newforge),[i] 40 m (131 ft) amsl, 1991–2020 normals, extremes 1982–present | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °C (°F) | 15.0 (59.0) |
16.4 (61.5) |
19.7 (67.5) |
22.1 (71.8) |
25.4 (77.7) |
28.6 (83.5) |
30.2 (86.4) |
28.1 (82.6) |
23.7 (74.7) |
20.5 (68.9) |
17.1 (62.8) |
15.2 (59.4) |
30.2 (86.4) |
| Mean daily maximum °C (°F) | 8.2 (46.8) |
8.8 (47.8) |
10.5 (50.9) |
12.8 (55.0) |
15.7 (60.3) |
17.2 (63.0) |
19.7 (67.5) |
19.4 (66.9) |
17.3 (63.1) |
13.8 (56.8) |
10.7 (51.3) |
8.4 (47.1) |
13.7 (56.7) |
| Daily mean °C (°F) | 5.2 (41.4) |
5.5 (41.9) |
6.8 (44.2) |
8.8 (47.8) |
11.4 (52.5) |
14.0 (57.2) |
15.6 (60.1) |
15.4 (59.7) |
13.5 (56.3) |
10.4 (50.7) |
7.4 (45.3) |
5.4 (41.7) |
9.9 (49.8) |
| Mean daily minimum °C (°F) | 2.2 (36.0) |
2.1 (35.8) |
3.1 (37.6) |
4.7 (40.5) |
7.0 (44.6) |
9.7 (49.5) |
11.6 (52.9) |
11.5 (52.7) |
9.6 (49.3) |
6.9 (44.4) |
4.2 (39.6) |
2.3 (36.1) |
6.3 (43.3) |
| Record low °C (°F) | −10.1 (13.8) |
−7.1 (19.2) |
−6.5 (20.3) |
−3.8 (25.2) |
−2.6 (27.3) |
1.3 (34.3) |
4.2 (39.6) |
2.5 (36.5) |
0.8 (33.4) |
−3.0 (26.6) |
−7.6 (18.3) |
−13.5 (7.7) |
−13.5 (7.7) |
| Average precipitation mm (inches) | 88.5 (3.48) |
70.3 (2.77) |
71.4 (2.81) |
60.4 (2.38) |
59.6 (2.35) |
69.0 (2.72) |
73.6 (2.90) |
85.0 (3.35) |
69.6 (2.74) |
95.8 (3.77) |
102.3 (4.03) |
93.3 (3.67) |
938.7 (36.96) |
| Average precipitation days (≥ 1.0 mm) | 14.4 | 12.7 | 12.6 | 11.3 | 11.5 | 11.4 | 13.0 | 13.5 | 11.6 | 13.8 | 15.5 | 14.8 | 156.2 |
| Mean monthly sunshine hours | 40.1 | 65.2 | 97.7 | 157.1 | 185.1 | 151.1 | 146.3 | 141.9 | 112.0 | 92.4 | 52.9 | 35.3 | 1,277 |
| Source 1: Met Office[19] | |||||||||||||
| Source 2: Starlings Roost Weather[13][14] | |||||||||||||
| Sea temperature data for Belfast | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Average sea temperature °C (°F) | 9.1 (48.4) |
8.3 (46.9) |
8.2 (46.8) |
8.9 (48.0) |
10.2 (50.4) |
11.9 (53.4) |
13.7 (56.7) |
14.3 (57.7) |
14.2 (57.6) |
13.4 (56.1) |
12.3 (54.1) |
10.6 (51.1) |
11.2 (52.2) |
| Source: seatemperature.org [20] | |||||||||||||
| Climate data for Belfast (Stormont Castle),[j] elevation: 56 m (184 ft), 1991–2020 normals, extremes 1959–present | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °C (°F) | 14.7 (58.5) |
15.8 (60.4) |
20.1 (68.2) |
20.9 (69.6) |
25.0 (77.0) |
29.0 (84.2) |
29.7 (85.5) |
28.2 (82.8) |
25.0 (77.0) |
20.6 (69.1) |
17.5 (63.5) |
15.0 (59.0) |
29.7 (85.5) |
| Mean daily maximum °C (°F) | 7.9 (46.2) |
8.6 (47.5) |
10.3 (50.5) |
12.6 (54.7) |
15.3 (59.5) |
17.6 (63.7) |
19.2 (66.6) |
18.9 (66.0) |
16.9 (62.4) |
13.6 (56.5) |
10.4 (50.7) |
8.3 (46.9) |
13.3 (55.9) |
| Daily mean °C (°F) | 5.2 (41.4) |
5.5 (41.9) |
6.8 (44.2) |
8.8 (47.8) |
11.3 (52.3) |
13.8 (56.8) |
15.5 (59.9) |
15.3 (59.5) |
13.4 (56.1) |
10.5 (50.9) |
7.6 (45.7) |
5.6 (42.1) |
9.9 (49.8) |
| Mean daily minimum °C (°F) | 2.5 (36.5) |
2.5 (36.5) |
3.4 (38.1) |
5.0 (41.0) |
7.2 (45.0) |
10.0 (50.0) |
11.7 (53.1) |
11.6 (52.9) |
10.0 (50.0) |
7.5 (45.5) |
4.7 (40.5) |
2.9 (37.2) |
6.6 (43.9) |
| Record low °C (°F) | −9.9 (14.2) |
−6.1 (21.0) |
−7.2 (19.0) |
−5.6 (21.9) |
−1.7 (28.9) |
1.7 (35.1) |
5.6 (42.1) |
4.9 (40.8) |
1.1 (34.0) |
−0.9 (30.4) |
−3.4 (25.9) |
−9.1 (15.6) |
−9.9 (14.2) |
| Average precipitation mm (inches) | 92.5 (3.64) |
71.6 (2.82) |
73.9 (2.91) |
64.4 (2.54) |
67.7 (2.67) |
74.4 (2.93) |
77.0 (3.03) |
86.0 (3.39) |
74.6 (2.94) |
97.2 (3.83) |
102.5 (4.04) |
95.2 (3.75) |
976.9 (38.46) |
| Average precipitation days (≥ 1.0 mm) | 15.3 | 13.1 | 13.3 | 11.6 | 12.3 | 11.5 | 12.4 | 13.6 | 11.5 | 13.3 | 15.4 | 14.5 | 157.8 |
| Source: KNMI[15][16][17] | |||||||||||||
| Climate data for Belfast (Ravenhill Road),[k] 8 m (26 ft) amsl, 1991–2020 normals, extremes 1986–present | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °C (°F) | 14.5 (58.1) |
15.6 (60.1) |
20.2 (68.4) |
22.7 (72.9) |
26.2 (79.2) |
30.0 (86.0) |
31.2 (88.2) |
29.3 (84.7) |
24.5 (76.1) |
20.0 (68.0) |
16.7 (62.1) |
15.3 (59.5) |
31.2 (88.2) |
| Mean daily maximum °C (°F) | 7.7 (45.9) |
8.3 (46.9) |
10.4 (50.7) |
13.3 (55.9) |
16.2 (61.2) |
18.6 (65.5) |
20.1 (68.2) |
19.8 (67.6) |
17.4 (63.3) |
13.4 (56.1) |
10.1 (50.2) |
8.0 (46.4) |
13.6 (56.5) |
| Daily mean °C (°F) | 5.2 (41.4) |
5.5 (41.9) |
7.1 (44.8) |
9.4 (48.9) |
12.1 (53.8) |
14.7 (58.5) |
16.4 (61.5) |
16.1 (61.0) |
13.8 (56.8) |
10.5 (50.9) |
7.4 (45.3) |
5.5 (41.9) |
10.3 (50.5) |
| Mean daily minimum °C (°F) | 2.7 (36.9) |
2.6 (36.7) |
3.8 (38.8) |
5.5 (41.9) |
8.0 (46.4) |
10.8 (51.4) |
12.6 (54.7) |
12.4 (54.3) |
10.3 (50.5) |
7.6 (45.7) |
4.8 (40.6) |
3.0 (37.4) |
7.0 (44.6) |
| Record low °C (°F) | −8.3 (17.1) |
−5.8 (21.6) |
−4.9 (23.2) |
−2.2 (28.0) |
0.6 (33.1) |
2.4 (36.3) |
6.1 (43.0) |
4.2 (39.6) |
2.2 (36.0) |
−2.5 (27.5) |
−5.0 (23.0) |
−11.3 (11.7) |
−11.3 (11.7) |
| Source: Starlings Roost Weather[13][14] | |||||||||||||
| Climate data for Belfast International Airport WMO ID: 03917; coordinates 54°39′50″N 6°13′30″W / 54.66376°N 6.22512°W; elevation: 63 m (207 ft); 1991–2020 normals, extremes 1930–present | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °C (°F) | 14.5 (58.1) |
15.6 (60.1) |
20.2 (68.4) |
21.8 (71.2) |
26.1 (79.0) |
29.5 (85.1) |
30.8 (87.4) |
28.0 (82.4) |
27.1 (80.8) |
21.8 (71.2) |
17.1 (62.8) |
15.0 (59.0) |
30.8 (87.4) |
| Mean daily maximum °C (°F) | 7.3 (45.1) |
7.9 (46.2) |
9.7 (49.5) |
12.3 (54.1) |
15.2 (59.4) |
17.6 (63.7) |
19.1 (66.4) |
18.7 (65.7) |
16.6 (61.9) |
13.1 (55.6) |
9.8 (49.6) |
7.6 (45.7) |
12.9 (55.2) |
| Daily mean °C (°F) | 4.7 (40.5) |
4.9 (40.8) |
6.3 (43.3) |
8.5 (47.3) |
11.2 (52.2) |
13.8 (56.8) |
15.4 (59.7) |
15.2 (59.4) |
13.2 (55.8) |
10.2 (50.4) |
7.1 (44.8) |
5.0 (41.0) |
9.6 (49.3) |
| Mean daily minimum °C (°F) | 2.1 (35.8) |
2.0 (35.6) |
3.0 (37.4) |
4.7 (40.5) |
7.1 (44.8) |
9.9 (49.8) |
11.8 (53.2) |
11.7 (53.1) |
9.9 (49.8) |
7.2 (45.0) |
4.4 (39.9) |
2.4 (36.3) |
6.4 (43.5) |
| Record low °C (°F) | −12.8 (9.0) |
−11.7 (10.9) |
−12.2 (10.0) |
−5.1 (22.8) |
−3.3 (26.1) |
−1.2 (29.8) |
2.2 (36.0) |
1.1 (34.0) |
−2.2 (28.0) |
−4.4 (24.1) |
−8.6 (16.5) |
−14.9 (5.2) |
−14.9 (5.2) |
| Average precipitation mm (inches) | 77.0 (3.03) |
63.3 (2.49) |
60.6 (2.39) |
55.6 (2.19) |
55.9 (2.20) |
68.0 (2.68) |
78.8 (3.10) |
84.5 (3.33) |
69.2 (2.72) |
88.0 (3.46) |
87.7 (3.45) |
83.5 (3.29) |
872.0 (34.33) |
| Average precipitation days (≥ 1.0 mm) | 14.7 | 13.2 | 13.0 | 12.0 | 11.6 | 11.9 | 14.1 | 14.2 | 12.1 | 14.0 | 15.5 | 15.2 | 161.3 |
| Average snowy days | 5 | 5 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 19 |
| Average relative humidity (%) | 89 | 87 | 88 | 89 | 90 | 90 | 90 | 92 | 92 | 91 | 90 | 89 | 91 |
| Mean monthly sunshine hours | 48.7 | 72.1 | 108.4 | 157.8 | 197.9 | 167.6 | 152.0 | 146.4 | 121.5 | 91.2 | 61.3 | 47.1 | 1,372 |
| Source 1: Met Office[21] NOAA (relative humidity and snow days 1961–-1990)[22] | |||||||||||||
| Source 2: KNMI[23][24] Starlings Roost Weather[25][26] | |||||||||||||
Notes
- ^ Also called marine west coast.
- ^ Mid-latitude temperate maritime climate
- ^ Weather station is located 2.6 miles (4.2 km) from the Belfast city centre.
- ^ Weather station is located 2.6 miles (4.2 km) from the Belfast city centre.
- ^ Extremes are recorded from all stations within the Belfast City District, including Black and Divis Mountains.
- ^ Weather station is located 2.6 miles (4.2 km) from the Belfast city centre.
- ^ Weather station is located 3.9 miles (6.3 km) from the Belfast city centre.
- ^ Weather station is located 2.6 miles (4.2 km) from the Belfast city centre.
- ^ Weather station is located 2.6 miles (4.2 km) from the Belfast city centre.
- ^ Weather station is located 3.9 miles (6.3 km) from the Belfast city centre.
- ^ Weather station is located 1.2 miles (1.9 km) from the Belfast city centre.
References
- ^ a b c "Belfast Newforge Location-specific long-term averages". Met Office. Retrieved 23 January 2025.
- ^ a b "All-time Extreme Maximum Temperatures". Starlings Roost Weather. Retrieved 16 February 2026.
- ^ "Synop Report Summary 18/07/2022 Belfast / Aldergrove Airport". Ogimet. Retrieved 16 February 2026.
- ^ "Synop Report Summary 22/12/2010 Belfast / Aldergrove Airport". Ogimet. Retrieved 16 February 2026.
- ^ "Liverpool, England Köppen Climate Classification". Weatherbase. Retrieved 19 August 2019.
- ^ "Trewartha maps". kkh.ltrr.arizona.edu. Retrieved 19 August 2019.
- ^ Cmapm, Kliimavöötmed svg: Urmasderivative work (2011-06-16), Русский: Климатические пояса Земли по Б. П. Алисову., retrieved 19 August 2019
- ^ "World Strahler Climate Map". Retrieved 19 August 2019.
- ^ Feddema, Johannes J. (January 2005). "A Revised Thornthwaite-Type Global Climate Classification". Physical Geography. 26 (6): 442–466. doi:10.2747/0272-3646.26.6.442. ISSN 0272-3646. S2CID 128745497.
- ^ "Klimaklassifikation". www.spektrum.de (in German). Retrieved 19 August 2019.
- ^ a b c "Belfast Newforge 1981–2010 Averages". Met Office. Retrieved 3 October 2019.
- ^ "UK Climate Extremes". Met Office. Retrieved 16 February 2026.
- ^ a b c "Monthly Extreme Maximum Temperature". Starlings Roost Weather. Archived from the original on 15 August 2022. Retrieved 3 March 2023.
- ^ a b c "Monthly Extreme Minimum Temperature". Starlings Roost Weather. Archived from the original on 1 February 2023. Retrieved 3 March 2023.
- ^ a b "Belfast 1981–2010 Averages". KNMI. Retrieved 15 June 2016.
- ^ a b "Belfast Extreme Values". KNMI. Archived from the original on 2 February 2018. Retrieved 15 June 2016.
- ^ a b "Belfast Stormont Castle 1981-2010 average extreme values". KNMI. Archived from the original on 16 April 2021. Retrieved 28 December 2017.
- ^ "Monthly weather forecast and Climate – Belfast, United Kingdom". Weather Atlas. Retrieved 16 February 2026.
- ^ "Belfast Newforge 1991–2020 Averages". Met Office. Retrieved 3 October 2019.
- ^ "Belfast sea temperatures". seatemperature.org. Retrieved 23 January 2025.
- ^ "Belfast International Airport 1991–2020 Averages". Met Office. Retrieved 4 September 2017.
- ^ "Belfast International Airport 1961–1990". NOAA. Retrieved 4 September 2017.
- ^ "Belfast International Airpoirt (Aldergrove) extreme values". KNMI. Retrieved 8 November 2011.
- ^ "Belfast International Airpoirt 1981-2010 average extreme values". KNMI. Retrieved 28 December 2017.
- ^ "Monthly Extreme Maximum Temperature". Starlings Roost Weather. Retrieved 3 March 2023.
- ^ "Monthly Extreme Minimum Temperature". Starlings Roost Weather. Retrieved 3 March 2023.
