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Monthly climate in Derwen, Wales, United Kingdom

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Derwen features a oceanic climate (Cfb).Temperatures typically range between 4 °C (40 °F) and 15 °C (60 °F) through the year, but rarely can drop to -8 °C (18 °F) or can rise to as high as 28 °C (82 °F).The average annual precipitation amounts to about 1177 mm (46.4 inches) and receives 180 rainy days on the 1 mm (0.04 inches) threshold annually.Derwen enjoys an average of 3060 hours of sunshine throughout the year, and daylight varies from 7 hours 39 minutes to 16 hours 48 minutes per day.

Monthly average temperatures in Derwen, Wales, United Kingdom §

The warmest months in Derwen are June, July and August, with daily mean temperatures ranging from 14 to 15 °C (57 - 60 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 4 to 5 °C (40 - 41 °F) throughout the day. On average each year, Derwen experiences 4 days above 25 °C (77.0 °F) and 34 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Derwen, 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 13°C
(55°F)		 17°C
(63°F)		 19°C
(66°F)		 21°C
(71°F)		 25°C
(77°F)		 27°C
(81°F)		 28°C
(82°F)		 27°C
(81°F)		 26°C
(79°F)		 20°C
(68°F)		 15°C
(59°F)		 12°C
(54°F)
Mean maximum 10°C
(51°F)		 12°C
(54°F)		 15°C
(59°F)		 19°C
(67°F)		 21°C
(70°F)		 23°C
(74°F)		 26°C
(79°F)		 23°C
(74°F)		 22°C
(71°F)		 17°C
(63°F)		 13°C
(56°F)		 11°C
(53°F)
Average high 6°C
(43°F)		 7°C
(45°F)		 9°C
(48°F)		 11°C
(53°F)		 14°C
(58°F)		 17°C
(63°F)		 19°C
(66°F)		 18°C
(64°F)		 16°C
(61°F)		 12°C
(54°F)		 9°C
(48°F)		 7°C
(45°F)
Daily mean 4°C
(40°F)		 5°C
(41°F)		 6°C
(42°F)		 8°C
(46°F)		 10°C
(51°F)		 14°C
(57°F)		 15°C
(60°F)		 15°C
(59°F)		 13°C
(55°F)		 10°C
(50°F)		 7°C
(44°F)		 5°C
(41°F)
Average low 2°C
(36°F)		 2°C
(36°F)		 2°C
(37°F)		 4°C
(39°F)		 6°C
(44°F)		 10°C
(50°F)		 11°C
(53°F)		 12°C
(53°F)		 9°C
(49°F)		 7°C
(45°F)		 4°C
(40°F)		 3°C
(38°F)
Mean minimum -3°C
(26°F)		 -3°C
(27°F)		 -3°C
(28°F)		 -2°C
(29°F)		 -0°C
(32°F)		 6°C
(42°F)		 7°C
(45°F)		 7°C
(44°F)		 3°C
(38°F)		 1°C
(33°F)		 -2°C
(28°F)		 -3°C
(26°F)
Minimum -6°C
(22°F)		 -5°C
(23°F)		 -7°C
(19°F)		 -3°C
(27°F)		 -2°C
(29°F)		 5°C
(41°F)		 5°C
(41°F)		 5°C
(41°F)		 1°C
(34°F)		 -4°C
(26°F)		 -3°C
(27°F)		 -8°C
(18°F)

Compare climate in Derwen with other places

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

Monthly average precipitation in Derwen, Wales, United Kingdom §

Derwen usually has the most precipitation in August, October and December, with an average of 17 rainy days and 119 mm (4.7 inches) of precipitation per month.The driest months in Derwen are January, April and May. On average, 73 mm (2.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Derwen, 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) 79 (3.1) 111 (4.4) 112 (4.4) 63 (2.5) 77 (3.0) 99 (3.9) 89 (3.5) 115 (4.5) 100 (3.9) 116 (4.6) 92 (3.6) 126 (5.0)
Average precipitation days (≥ 1 mm) 12 15 16 12 14 14 14 18 14 16 17 18

Monthly sunshine hours in Derwen, Wales, United Kingdom §

The sunniest months in Derwen are May, June and July, when the sun shines an average of 12 hours 50 minutes a day.Least sunny months in Derwen: 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 Derwen, 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 11m 9h 51m 11h 54m 14h 0m 15h 50m 16h 48m 16h 17m 14h 38m 12h 36m 10h 32m 8h 39m 7h 39m

Solar UV radiation in Derwen, Wales, United Kingdom §

Derwen 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 Derwen UV Index data.

Average daily maximum UV levels by month for Derwen, 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