Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Henllan features a oceanic climate (Cfb).Temperatures typically range between 5 °C (42 °F) and 16 °C (62 °F) through the year, but rarely can drop to -6 °C (22 °F) or can rise to as high as 29 °C (85 °F).The average annual precipitation amounts to about 1018 mm (40.1 inches) and receives 173 rainy days on the 1 mm (0.04 inches) threshold annually.Henllan enjoys an average of 3060 hours of sunshine throughout the year, and daylight varies from 7 hours 35 minutes to 16 hours 53 minutes per day.
The warmest months in Henllan are June, July and August, with daily mean temperatures ranging from 15 to 16 °C (59 - 62 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 5 to 6 °C (42 - 44 °F) throughout the day. On average each year, Henllan experiences 4 days above 25 °C (77.0 °F) and 13 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 14°C (58°F) | 18°C (64°F) | 19°C (67°F) | 22°C (72°F) | 27°C (80°F) | 28°C (83°F) | 29°C (85°F) | 28°C (83°F) | 27°C (81°F) | 21°C (70°F) | 16°C (61°F) | 13°C (56°F) |
Mean maximum | 12°C (54°F) | 13°C (56°F) | 16°C (61°F) | 20°C (68°F) | 22°C (72°F) | 24°C (75°F) | 27°C (81°F) | 24°C (76°F) | 23°C (73°F) | 18°C (65°F) | 15°C (59°F) | 13°C (56°F) |
Average high | 7°C (46°F) | 8°C (47°F) | 10°C (50°F) | 12°C (55°F) | 15°C (60°F) | 18°C (65°F) | 20°C (67°F) | 19°C (66°F) | 17°C (63°F) | 13°C (56°F) | 10°C (50°F) | 8°C (47°F) |
Daily mean | 5°C (42°F) | 6°C (43°F) | 7°C (45°F) | 9°C (48°F) | 12°C (53°F) | 15°C (59°F) | 16°C (62°F) | 16°C (61°F) | 14°C (57°F) | 11°C (52°F) | 8°C (47°F) | 6°C (44°F) |
Average low | 3°C (38°F) | 4°C (39°F) | 4°C (39°F) | 5°C (42°F) | 8°C (47°F) | 11°C (53°F) | 13°C (55°F) | 13°C (56°F) | 11°C (52°F) | 9°C (48°F) | 6°C (43°F) | 4°C (40°F) |
Mean minimum | -2°C (30°F) | -1°C (30°F) | -1°C (31°F) | 0°C (33°F) | 2°C (35°F) | 7°C (45°F) | 9°C (49°F) | 8°C (47°F) | 5°C (41°F) | 2°C (36°F) | -0°C (32°F) | -1°C (30°F) |
Minimum | -3°C (27°F) | -4°C (25°F) | -6°C (22°F) | -1°C (31°F) | 0°C (33°F) | 6°C (44°F) | 7°C (45°F) | 7°C (45°F) | 3°C (37°F) | -1°C (30°F) | -2°C (29°F) | -4°C (26°F) |
Compare temperature, precipitation, sunshine, UV index in Henllan, Wales, United Kingdom with other places around the world.
Henllan usually has the most precipitation in June, October and December, with an average of 15 rainy days and 100 mm (3.9 inches) of precipitation per month.The driest months in Henllan are January, April and May. On average, 63 mm (2.5 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 66 (2.6) | 83 (3.3) | 88 (3.5) | 54 (2.1) | 67 (2.6) | 98 (3.9) | 92 (3.6) | 91 (3.6) | 93 (3.7) | 97 (3.8) | 82 (3.2) | 106 (4.2) |
Average precipitation days (≥ 1 mm) | 12 | 14 | 15 | 10 | 13 | 13 | 15 | 17 | 14 | 16 | 17 | 17 |
The sunniest months in Henllan are May, June and July, when the sun shines an average of 12 hours 50 minutes a day.Least sunny months in Henllan: January, November and December receive an average of 3 hours 16 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 88 | 152 | 211 | 322 | 397 | 378 | 405 | 369 | 297 | 225 | 114 | 98 |
Mean daily daylight hours | 8h 8m | 9h 50m | 11h 54m | 14h 1m | 15h 53m | 16h 53m | 16h 21m | 14h 40m | 12h 37m | 10h 30m | 8h 36m | 7h 35m |
Henllan 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 Henllan UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
UV Index (month maximum) | 1 | 2 | 4 | 5 | 7 | 8 | 8 | 7 | 5 | 4 | 2 | 1 |