Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Seven Sisters features a oceanic climate (Cfb).Temperatures typically range between 5 °C (41 °F) and 16 °C (61 °F) through the year, but rarely can drop to -7 °C (19 °F) or can rise to as high as 28 °C (83 °F).The average annual precipitation amounts to about 1489 mm (58.6 inches) and receives 186 rainy days on the 1 mm (0.04 inches) threshold annually.Seven Sisters enjoys an average of 3052 hours of sunshine throughout the year, and daylight varies from 7 hours 51 minutes to 16 hours 35 minutes per day.
The warmest months in Seven Sisters are June, July and August, with daily mean temperatures ranging from 15 to 16 °C (58 - 61 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 5 to 6 °C (41 - 43 °F) throughout the day. On average each year, Seven Sisters experiences 5 days above 25 °C (77.0 °F) and 29 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 13°C (55°F) | 16°C (61°F) | 19°C (66°F) | 22°C (71°F) | 25°C (78°F) | 28°C (83°F) | 28°C (83°F) | 28°C (83°F) | 27°C (82°F) | 21°C (70°F) | 15°C (59°F) | 12°C (54°F) |
Mean maximum | 11°C (52°F) | 12°C (54°F) | 15°C (59°F) | 20°C (67°F) | 21°C (70°F) | 24°C (76°F) | 26°C (79°F) | 24°C (76°F) | 23°C (73°F) | 17°C (64°F) | 14°C (57°F) | 12°C (53°F) |
Average high | 7°C (45°F) | 8°C (46°F) | 9°C (49°F) | 12°C (55°F) | 15°C (59°F) | 18°C (64°F) | 20°C (68°F) | 18°C (65°F) | 17°C (62°F) | 13°C (56°F) | 10°C (50°F) | 8°C (47°F) |
Daily mean | 5°C (41°F) | 5°C (42°F) | 6°C (44°F) | 9°C (48°F) | 11°C (53°F) | 15°C (58°F) | 16°C (61°F) | 15°C (60°F) | 13°C (56°F) | 11°C (51°F) | 7°C (46°F) | 6°C (43°F) |
Average low | 2°C (36°F) | 3°C (37°F) | 3°C (38°F) | 5°C (40°F) | 7°C (45°F) | 11°C (52°F) | 12°C (54°F) | 12°C (55°F) | 10°C (50°F) | 8°C (47°F) | 5°C (41°F) | 4°C (39°F) |
Mean minimum | -4°C (25°F) | -3°C (27°F) | -2°C (28°F) | -2°C (29°F) | 0°C (33°F) | 6°C (43°F) | 8°C (46°F) | 7°C (45°F) | 4°C (40°F) | 2°C (35°F) | -2°C (28°F) | -2°C (28°F) |
Minimum | -6°C (22°F) | -7°C (19°F) | -7°C (20°F) | -4°C (26°F) | -1°C (31°F) | 4°C (40°F) | 5°C (42°F) | 5°C (42°F) | 1°C (35°F) | -3°C (27°F) | -3°C (26°F) | -4°C (25°F) |
Compare temperature, precipitation, sunshine, UV index in Seven Sisters, Wales, United Kingdom with other places around the world.
Seven Sisters usually has the most precipitation in February, October and December, with an average of 17 rainy days and 164 mm (6.4 inches) of precipitation per month.The driest months in Seven Sisters are January, April and June. On average, 91 mm (3.6 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 100 (4.0) | 153 (6.0) | 129 (5.1) | 68 (2.7) | 107 (4.2) | 103 (4.1) | 107 (4.2) | 139 (5.5) | 110 (4.3) | 168 (6.6) | 135 (5.3) | 170 (6.7) |
Average precipitation days (≥ 1 mm) | 12 | 16 | 17 | 11 | 14 | 16 | 14 | 20 | 14 | 17 | 16 | 19 |
The sunniest months in Seven Sisters are May, June and July, when the sun shines an average of 12 hours 47 minutes a day.Least sunny months in Seven Sisters: January, November and December receive an average of 3 hours 28 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 87 | 141 | 204 | 320 | 393 | 373 | 409 | 361 | 295 | 233 | 127 | 103 |
Mean daily daylight hours | 8h 21m | 9h 57m | 11h 55m | 13h 55m | 15h 40m | 16h 35m | 16h 6m | 14h 31m | 12h 35m | 10h 35m | 8h 48m | 7h 51m |
Seven Sisters experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 7 - 8, which corresponds to the High / Very High category of sun exposure.January, February and December are in the Low exposure category. In these months, the maximum values of the UV index do not exceed 2. For more detailed information, check out our hourly Seven Sisters UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
UV Index (month maximum) | 1 | 2 | 4 | 6 | 7 | 8 | 8 | 7 | 6 | 4 | 2 | 1 |