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Monthly climate in Penmaenmawr, Wales, United Kingdom

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Penmaenmawr features a oceanic climate (Cfb).Temperatures typically range between 5 °C (42 °F) and 16 °C (61 °F) through the year, but rarely can drop to -6 °C (22 °F) or can rise to as high as 30 °C (87 °F).The average annual precipitation amounts to about 1175 mm (46.3 inches) and receives 191 rainy days on the 1 mm (0.04 inches) threshold annually.Penmaenmawr enjoys an average of 3206 hours of sunshine throughout the year, and daylight varies from 7 hours 35 minutes to 16 hours 52 minutes per day.

Monthly average temperatures in Penmaenmawr, Wales, United Kingdom §

The warmest months in Penmaenmawr 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 (42 - 44 °F) throughout the day. On average each year, Penmaenmawr experiences 5 days above 25 °C (77.0 °F) and 22 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Penmaenmawr, 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
(57°F)		 19°C
(66°F)		 18°C
(65°F)		 22°C
(73°F)		 28°C
(82°F)		 29°C
(85°F)		 30°C
(87°F)		 27°C
(80°F)		 27°C
(81°F)		 21°C
(71°F)		 15°C
(60°F)		 13°C
(56°F)
Mean maximum 12°C
(53°F)		 13°C
(56°F)		 16°C
(61°F)		 20°C
(68°F)		 23°C
(74°F)		 25°C
(77°F)		 27°C
(81°F)		 24°C
(76°F)		 23°C
(73°F)		 18°C
(64°F)		 14°C
(58°F)		 13°C
(55°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)		 19°C
(67°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
(42°F)		 6°C
(43°F)		 7°C
(44°F)		 9°C
(48°F)		 11°C
(53°F)		 15°C
(58°F)		 16°C
(61°F)		 15°C
(60°F)		 14°C
(57°F)		 11°C
(52°F)		 8°C
(46°F)		 6°C
(44°F)
Average low 3°C
(38°F)		 3°C
(39°F)		 3°C
(38°F)		 5°C
(41°F)		 7°C
(45°F)		 11°C
(51°F)		 12°C
(54°F)		 13°C
(55°F)		 10°C
(51°F)		 8°C
(47°F)		 5°C
(42°F)		 4°C
(40°F)
Mean minimum -2°C
(28°F)		 -2°C
(29°F)		 -2°C
(29°F)		 -1°C
(31°F)		 1°C
(33°F)		 6°C
(43°F)		 8°C
(47°F)		 8°C
(46°F)		 4°C
(40°F)		 1°C
(35°F)		 -1°C
(30°F)		 -2°C
(28°F)
Minimum -4°C
(24°F)		 -5°C
(23°F)		 -6°C
(22°F)		 -2°C
(28°F)		 -1°C
(31°F)		 4°C
(40°F)		 6°C
(43°F)		 6°C
(44°F)		 2°C
(36°F)		 -3°C
(26°F)		 -2°C
(28°F)		 -3°C
(26°F)

Compare climate in Penmaenmawr with other places

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

Monthly average precipitation in Penmaenmawr, Wales, United Kingdom §

Penmaenmawr usually has the most precipitation in August, October and December, with an average of 19 rainy days and 119 mm (4.7 inches) of precipitation per month.The driest months in Penmaenmawr are January, April and May. On average, 71 mm (2.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Penmaenmawr, 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) 78 (3.1) 103 (4.1) 105 (4.1) 58 (2.3) 78 (3.1) 98 (3.8) 93 (3.7) 109 (4.3) 100 (4.0) 122 (4.8) 103 (4.1) 128 (5.0)
Average precipitation days (≥ 1 mm) 13 16 17 12 13 13 16 18 15 19 19 20

Monthly sunshine hours in Penmaenmawr, Wales, United Kingdom §

The sunniest months in Penmaenmawr are May, June and July, when the sun shines an average of 13 hours 24 minutes a day.Least sunny months in Penmaenmawr: January, November and December receive an average of 3 hours 30 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Penmaenmawr, 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 92 159 226 331 411 400 421 384 312 236 123 106
Mean daily daylight hours 8h 8m 9h 50m 11h 54m 14h 1m 15h 53m 16h 52m 16h 20m 14h 39m 12h 37m 10h 30m 8h 37m 7h 35m

Solar UV radiation in Penmaenmawr, Wales, United Kingdom §

Penmaenmawr 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 Penmaenmawr UV Index data.

Average daily maximum UV levels by month for Penmaenmawr, 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