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Monthly climate in Cwm, Wales, United Kingdom

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Cwm 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.Cwm 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.

Monthly average temperatures in Cwm, Wales, United Kingdom §

The warmest months in Cwm 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, Cwm experiences 4 days above 25 °C (77.0 °F) and 13 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Cwm, Wales, United Kingdom.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  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 climate in Cwm with other places

Compare temperature, precipitation, sunshine, UV index in Cwm, Wales, United Kingdom with other places around the world.

Monthly average precipitation in Cwm, Wales, United Kingdom §

Cwm 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 Cwm are January, April and May. On average, 63 mm (2.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Cwm, Wales, United Kingdom.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  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

Monthly sunshine hours in Cwm, Wales, United Kingdom §

The sunniest months in Cwm are May, June and July, when the sun shines an average of 12 hours 50 minutes a day.Least sunny months in Cwm: January, November and December receive an average of 3 hours 16 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Cwm, Wales, United Kingdom.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  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

Solar UV radiation in Cwm, Wales, United Kingdom §

Cwm 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 Cwm UV Index data.

Average daily maximum UV levels by month for Cwm, Wales, United Kingdom.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  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