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Monthly climate in Guimiliau, Brittany, France

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Guimiliau features a oceanic climate (Cfb).Temperatures typically range between 7 °C (44 °F) and 17 °C (64 °F) through the year, but rarely can drop to -6 °C (22 °F) or can rise to as high as 32 °C (91 °F).The average annual precipitation amounts to about 952 mm (37.5 inches) and receives 156 rainy days on the 1 mm (0.04 inches) threshold annually.Guimiliau enjoys an average of 3686 hours of sunshine throughout the year, and daylight varies from 8 hours 20 minutes to 16 hours 3 minutes per day.

Monthly average temperatures in Guimiliau, Brittany, France §

The warmest months in Guimiliau are June, July and August, with daily mean temperatures ranging from 16 to 17 °C (60 - 64 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 7 to 8 °C (44 - 47 °F) throughout the day. On average each year, Guimiliau experiences 10 days above 25 °C (77.0 °F) and 8 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Guimiliau, Brittany, France.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)		 20°C
(69°F)		 22°C
(71°F)		 25°C
(77°F)		 28°C
(82°F)		 32°C
(91°F)		 32°C
(90°F)		 29°C
(85°F)		 31°C
(88°F)		 22°C
(73°F)		 17°C
(64°F)		 14°C
(58°F)
Mean maximum 13°C
(56°F)		 15°C
(59°F)		 18°C
(64°F)		 23°C
(74°F)		 24°C
(75°F)		 27°C
(81°F)		 29°C
(85°F)		 28°C
(83°F)		 26°C
(79°F)		 20°C
(68°F)		 16°C
(61°F)		 14°C
(57°F)
Average high 9°C
(49°F)		 10°C
(51°F)		 12°C
(53°F)		 14°C
(58°F)		 17°C
(63°F)		 20°C
(67°F)		 21°C
(71°F)		 21°C
(70°F)		 19°C
(67°F)		 16°C
(61°F)		 12°C
(54°F)		 10°C
(51°F)
Daily mean 7°C
(44°F)		 8°C
(46°F)		 8°C
(48°F)		 10°C
(51°F)		 13°C
(55°F)		 16°C
(60°F)		 17°C
(64°F)		 17°C
(62°F)		 15°C
(60°F)		 13°C
(55°F)		 9°C
(49°F)		 8°C
(47°F)
Average low 4°C
(40°F)		 5°C
(41°F)		 6°C
(42°F)		 6°C
(44°F)		 9°C
(48°F)		 12°C
(53°F)		 13°C
(56°F)		 13°C
(56°F)		 12°C
(53°F)		 10°C
(50°F)		 7°C
(45°F)		 6°C
(43°F)
Mean minimum -2°C
(29°F)		 -1°C
(30°F)		 0°C
(32°F)		 1°C
(34°F)		 3°C
(38°F)		 7°C
(45°F)		 10°C
(50°F)		 9°C
(48°F)		 7°C
(45°F)		 4°C
(40°F)		 2°C
(36°F)		 0°C
(33°F)
Minimum -5°C
(23°F)		 -4°C
(25°F)		 -6°C
(22°F)		 -1°C
(31°F)		 1°C
(34°F)		 6°C
(43°F)		 9°C
(48°F)		 8°C
(46°F)		 5°C
(42°F)		 2°C
(36°F)		 -0°C
(32°F)		 -1°C
(31°F)

Compare climate in Guimiliau with other places

Compare temperature, precipitation, sunshine, UV index in Guimiliau, Brittany, France with other places around the world.

Monthly average precipitation in Guimiliau, Brittany, France §

Guimiliau usually has the most precipitation in June, October and December, with an average of 15 rainy days and 111 mm (4.4 inches) of precipitation per month.The driest months in Guimiliau are April, July and September. On average, 51 mm (2.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Guimiliau, Brittany, France.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) 73 (2.9) 91 (3.6) 81 (3.2) 52 (2.1) 79 (3.1) 100 (3.9) 47 (1.9) 57 (2.3) 53 (2.1) 109 (4.3) 85 (3.4) 124 (4.9)
Average precipitation days (≥ 1 mm) 12 15 15 10 12 12 10 12 10 15 15 18

Monthly sunshine hours in Guimiliau, Brittany, France §

The sunniest months in Guimiliau are May, June and July, when the sun shines an average of 13 hours 42 minutes a day.Least sunny months in Guimiliau: January, February and December receive an average of 5 hours 48 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Guimiliau, Brittany, France.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 139 207 299 359 416 413 432 397 339 275 225 181
Mean daily daylight hours 8h 47m 10h 11m 11h 55m 13h 43m 15h 15m 16h 3m 15h 37m 14h 15m 12h 31m 10h 45m 9h 10m 8h 20m

Solar UV radiation in Guimiliau, Brittany, France §

Guimiliau experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 8 - 9, which corresponds to the Very High category of sun exposure.January, November 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 Guimiliau UV Index data.

Average daily maximum UV levels by month for Guimiliau, Brittany, France.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) 2 3 5 6 8 9 9 8 6 5 2 2