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Monthly climate in Mellac, Brittany, France

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Mellac features a oceanic climate (Cfb).Temperatures typically range between 6 °C (44 °F) and 18 °C (65 °F) through the year, but rarely can drop to -7 °C (20 °F) or can rise to as high as 33 °C (91 °F).The average annual precipitation amounts to about 849 mm (33.4 inches) and receives 135 rainy days on the 1 mm (0.04 inches) threshold annually.Mellac enjoys an average of 3721 hours of sunshine throughout the year, and daylight varies from 8 hours 25 minutes to 15 hours 58 minutes per day.

Monthly average temperatures in Mellac, Brittany, France §

The warmest months in Mellac are June, July and August, with daily mean temperatures ranging from 17 to 18 °C (62 - 65 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 6 to 8 °C (44 - 46 °F) throughout the day. On average each year, Mellac experiences 18 days above 25 °C (77.0 °F) and 16 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Mellac, 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)		 19°C
(67°F)		 20°C
(69°F)		 25°C
(77°F)		 28°C
(82°F)		 32°C
(90°F)		 33°C
(91°F)		 33°C
(91°F)		 31°C
(87°F)		 23°C
(73°F)		 18°C
(64°F)		 14°C
(57°F)
Mean maximum 13°C
(56°F)		 15°C
(59°F)		 18°C
(64°F)		 23°C
(74°F)		 24°C
(76°F)		 28°C
(83°F)		 31°C
(88°F)		 30°C
(86°F)		 26°C
(80°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
(54°F)		 15°C
(60°F)		 18°C
(64°F)		 21°C
(70°F)		 23°C
(74°F)		 22°C
(72°F)		 20°C
(69°F)		 16°C
(61°F)		 12°C
(54°F)		 10°C
(51°F)
Daily mean 6°C
(44°F)		 7°C
(45°F)		 9°C
(48°F)		 11°C
(51°F)		 13°C
(56°F)		 17°C
(62°F)		 18°C
(65°F)		 17°C
(64°F)		 16°C
(61°F)		 13°C
(55°F)		 9°C
(48°F)		 8°C
(46°F)
Average low 4°C
(39°F)		 4°C
(40°F)		 5°C
(41°F)		 6°C
(43°F)		 9°C
(48°F)		 12°C
(54°F)		 14°C
(57°F)		 13°C
(56°F)		 12°C
(53°F)		 10°C
(49°F)		 6°C
(43°F)		 5°C
(42°F)
Mean minimum -3°C
(28°F)		 -2°C
(28°F)		 -1°C
(30°F)		 0°C
(32°F)		 3°C
(38°F)		 7°C
(46°F)		 10°C
(50°F)		 8°C
(47°F)		 6°C
(43°F)		 3°C
(38°F)		 1°C
(33°F)		 -0°C
(31°F)
Minimum -6°C
(21°F)		 -5°C
(23°F)		 -7°C
(20°F)		 -2°C
(29°F)		 -0°C
(32°F)		 6°C
(43°F)		 7°C
(45°F)		 7°C
(45°F)		 5°C
(41°F)		 -1°C
(30°F)		 -1°C
(31°F)		 -1°C
(31°F)

Compare climate in Mellac with other places

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

Monthly average precipitation in Mellac, Brittany, France §

Mellac usually has the most precipitation in October, November and December, with an average of 13 rainy days and 99 mm (3.9 inches) of precipitation per month.The driest months in Mellac are April, July and September. On average, 46 mm (1.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Mellac, 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) 58 (2.3) 83 (3.3) 69 (2.7) 45 (1.8) 71 (2.8) 80 (3.1) 47 (1.9) 53 (2.1) 46 (1.8) 97 (3.8) 83 (3.3) 115 (4.5)
Average precipitation days (≥ 1 mm) 9 13 14 7 13 12 9 10 8 13 12 15

Monthly sunshine hours in Mellac, Brittany, France §

The sunniest months in Mellac are May, June and July, when the sun shines an average of 13 hours 45 minutes a day.Least sunny months in Mellac: January, February and December receive an average of 5 hours 55 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Mellac, 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 144 208 303 360 418 413 434 402 340 279 231 185
Mean daily daylight hours 8h 50m 10h 13m 11h 56m 13h 41m 15h 11m 15h 58m 15h 33m 14h 12m 12h 31m 10h 46m 9h 13m 8h 25m

Solar UV radiation in Mellac, Brittany, France §

Mellac 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 Mellac UV Index data.

Average daily maximum UV levels by month for Mellac, 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