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Monthly climate in Pwllheli, Wales, United Kingdom

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Pwllheli features a oceanic climate (Cfb). Temperatures typically range between 7 °C (45 °F) and 16 °C (61 °F) through the year, but rarely can drop to -3 °C (26 °F) or can rise to as high as 25 °C (77 °F). The average annual precipitation amounts to about 1856 mm (73.1 inches) and receives 214 rainy days on the 1 mm (0.04 inches) threshold annually. Pwllheli enjoys an average of 3228 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 Pwllheli, Wales, United Kingdom §

The warmest months in Pwllheli are July, August and September, with daily mean temperatures ranging from 15 to 16 °C (59 - 61 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 7 to 7 °C (45 - 45 °F) throughout the day. On average each year, Pwllheli experiences 0 days above 25 °C (77.0 °F) and 1 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Pwllheli, 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
(56°F)		 13°C
(56°F)		 14°C
(58°F)		 16°C
(62°F)		 19°C
(66°F)		 24°C
(76°F)		 25°C
(77°F)		 21°C
(71°F)		 24°C
(76°F)		 19°C
(66°F)		 15°C
(59°F)		 12°C
(54°F)
Mean maximum 11°C
(52°F)		 11°C
(52°F)		 12°C
(53°F)		 15°C
(58°F)		 17°C
(63°F)		 20°C
(69°F)		 22°C
(71°F)		 20°C
(68°F)		 20°C
(67°F)		 17°C
(62°F)		 14°C
(57°F)		 12°C
(54°F)
Average high 8°C
(47°F)		 8°C
(47°F)		 9°C
(48°F)		 10°C
(51°F)		 12°C
(54°F)		 15°C
(60°F)		 17°C
(62°F)		 17°C
(62°F)		 16°C
(61°F)		 14°C
(57°F)		 11°C
(52°F)		 9°C
(49°F)
Daily mean 7°C
(45°F)		 7°C
(45°F)		 7°C
(45°F)		 9°C
(48°F)		 11°C
(52°F)		 14°C
(57°F)		 16°C
(60°F)		 16°C
(61°F)		 15°C
(59°F)		 12°C
(55°F)		 10°C
(50°F)		 8°C
(47°F)
Average low 6°C
(43°F)		 6°C
(43°F)		 6°C
(43°F)		 7°C
(45°F)		 10°C
(50°F)		 13°C
(55°F)		 14°C
(58°F)		 15°C
(59°F)		 13°C
(57°F)		 11°C
(53°F)		 9°C
(48°F)		 7°C
(45°F)
Mean minimum 3°C
(37°F)		 2°C
(35°F)		 2°C
(36°F)		 4°C
(40°F)		 6°C
(43°F)		 10°C
(51°F)		 12°C
(54°F)		 13°C
(55°F)		 10°C
(51°F)		 7°C
(46°F)		 5°C
(41°F)		 3°C
(38°F)
Minimum 1°C
(35°F)		 -1°C
(31°F)		 -3°C
(26°F)		 3°C
(38°F)		 4°C
(40°F)		 9°C
(49°F)		 12°C
(53°F)		 12°C
(54°F)		 9°C
(49°F)		 4°C
(39°F)		 4°C
(39°F)		 2°C
(36°F)

Compare climate in Pwllheli with other places

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

Monthly average precipitation in Pwllheli, Wales, United Kingdom §

Pwllheli usually has the most precipitation in October, November and December, with an average of 23 rainy days and 233 mm (9.2 inches) of precipitation per month. The driest months in Pwllheli are April, May and July. On average, 83 mm (3.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Pwllheli, 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) 137 (5.4) 172 (6.8) 160 (6.3) 59 (2.3) 83 (3.3) 109 (4.3) 108 (4.3) 166 (6.5) 162 (6.4) 246 (9.7) 215 (8.5) 238 (9.4)
Average precipitation days (≥ 1 mm) 16 19 19 10 12 15 13 22 18 23 22 25

Monthly sunshine hours in Pwllheli, Wales, United Kingdom §

The sunniest months in Pwllheli are May, June and July, when the sun shines an average of 13 hours 29 minutes a day. Least sunny months in Pwllheli: January, November and December receive an average of 3 hours 33 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Pwllheli, 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 92 162 227 334 414 404 421 383 314 237 126 108
Mean daily daylight hours 8h 12m 9h 52m 11h 54m 14h 0m 15h 50m 16h 48m 16h 16m 14h 37m 12h 36m 10h 32m 8h 39m 7h 39m

Solar UV radiation in Pwllheli, Wales, United Kingdom §

Pwllheli 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 Pwllheli UV Index data.

Average daily maximum UV levels by month for Pwllheli, 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

Detailed Monthly Weather Insights for Pwllheli, Wales, United Kingdom

Discover in-depth weather details for every month in Pwllheli. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Pwllheli's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.