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Monthly climate in Mernel, Brittany, France

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Mernel features a oceanic climate (Cfb). Temperatures typically range between 6 °C (43 °F) and 19 °C (67 °F) through the year, but rarely can drop to -7 °C (19 °F) or can rise to as high as 37 °C (98 °F). The average annual precipitation amounts to about 773 mm (30.4 inches) and receives 125 rainy days on the 1 mm (0.04 inches) threshold annually. Mernel enjoys an average of 3631 hours of sunshine throughout the year, and daylight varies from 8 hours 25 minutes to 15 hours 57 minutes per day.

Monthly average temperatures in Mernel, Brittany, France §

The warmest months in Mernel are June, July and August, with daily mean temperatures ranging from 17 to 19 °C (64 - 67 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 6 to 7 °C (43 - 46 °F) throughout the day. On average each year, Mernel experiences 28 days above 25 °C (77.0 °F) and 20 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Mernel, 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 16°C
(60°F)		 20°C
(69°F)		 23°C
(74°F)		 26°C
(80°F)		 30°C
(86°F)		 34°C
(94°F)		 37°C
(98°F)		 35°C
(95°F)		 31°C
(89°F)		 24°C
(76°F)		 17°C
(63°F)		 15°C
(60°F)
Mean maximum 14°C
(57°F)		 15°C
(60°F)		 20°C
(67°F)		 24°C
(76°F)		 26°C
(79°F)		 29°C
(85°F)		 32°C
(90°F)		 32°C
(89°F)		 28°C
(82°F)		 21°C
(71°F)		 17°C
(62°F)		 14°C
(58°F)
Average high 9°C
(48°F)		 11°C
(51°F)		 13°C
(55°F)		 16°C
(61°F)		 19°C
(66°F)		 22°C
(72°F)		 24°C
(75°F)		 23°C
(74°F)		 21°C
(71°F)		 17°C
(63°F)		 12°C
(54°F)		 10°C
(50°F)
Daily mean 6°C
(43°F)		 7°C
(45°F)		 9°C
(48°F)		 11°C
(52°F)		 14°C
(57°F)		 17°C
(64°F)		 19°C
(67°F)		 18°C
(65°F)		 16°C
(62°F)		 13°C
(55°F)		 9°C
(48°F)		 7°C
(46°F)
Average low 3°C
(38°F)		 4°C
(39°F)		 5°C
(41°F)		 6°C
(43°F)		 9°C
(49°F)		 13°C
(55°F)		 14°C
(58°F)		 14°C
(57°F)		 12°C
(53°F)		 9°C
(49°F)		 5°C
(42°F)		 5°C
(41°F)
Mean minimum -3°C
(27°F)		 -3°C
(28°F)		 -1°C
(30°F)		 -0°C
(32°F)		 3°C
(38°F)		 8°C
(46°F)		 10°C
(50°F)		 9°C
(48°F)		 6°C
(44°F)		 4°C
(39°F)		 -1°C
(31°F)		 -2°C
(28°F)
Minimum -7°C
(19°F)		 -6°C
(22°F)		 -7°C
(20°F)		 -2°C
(29°F)		 0°C
(32°F)		 6°C
(44°F)		 8°C
(46°F)		 7°C
(46°F)		 5°C
(42°F)		 2°C
(37°F)		 -2°C
(29°F)		 -3°C
(26°F)

Compare climate in Mernel with other places

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

Monthly average precipitation in Mernel, Brittany, France §

Mernel usually has the most precipitation in June, October and December, with an average of 12 rainy days and 92 mm (3.6 inches) of precipitation per month. The driest months in Mernel are January, April and July. On average, 47 mm (1.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Mernel, 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) 45 (1.8) 60 (2.4) 57 (2.3) 50 (2.0) 66 (2.6) 97 (3.8) 47 (1.8) 52 (2.0) 51 (2.0) 86 (3.4) 68 (2.7) 92 (3.6)
Average precipitation days (≥ 1 mm) 9 11 12 8 11 11 8 9 9 11 11 15

Monthly sunshine hours in Mernel, Brittany, France §

The sunniest months in Mernel are May, June and July, when the sun shines an average of 13 hours 21 minutes a day. Least sunny months in Mernel: January, February and December receive an average of 5 hours 51 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Mernel, 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 139 204 291 355 406 397 425 393 330 271 225 190
Mean daily daylight hours 8h 51m 10h 13m 11h 56m 13h 41m 15h 11m 15h 57m 15h 33m 14h 12m 12h 31m 10h 46m 9h 14m 8h 25m

Solar UV radiation in Mernel, Brittany, France §

Mernel 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 Mernel UV Index data.

Average daily maximum UV levels by month for Mernel, 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 4 2 2

Detailed Monthly Weather Insights for Mernel, Brittany, France

Discover in-depth weather details for every month in Mernel. 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 Mernel'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.