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Monthly climate in Blet, France

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Blet features a oceanic climate (Cfb). Temperatures typically range between 4 °C (40 °F) and 21 °C (71 °F) through the year, but rarely can drop to -10 °C (14 °F) or can rise to as high as 41 °C (106 °F). The average annual precipitation amounts to about 834 mm (32.8 inches) and receives 132 rainy days on the 1 mm (0.04 inches) threshold annually. Blet enjoys an average of 3511 hours of sunshine throughout the year, and daylight varies from 8 hours 34 minutes to 15 hours 47 minutes per day.

Monthly average temperatures in Blet, France

The warmest months in Blet are June, July and August, with daily mean temperatures ranging from 20 to 21 °C (67 - 71 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 4 to 6 °C (40 - 44 °F) throughout the day. On average each year, Blet experiences 60 days above 25 °C (77.0 °F) and 35 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Blet. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum16°C
(61°F)		22°C
(71°F)		24°C
(76°F)		28°C
(83°F)		31°C
(89°F)		39°C
(102°F)		41°C
(106°F)		37°C
(99°F)		36°C
(96°F)		29°C
(84°F)		22°C
(71°F)		18°C
(64°F)
Mean maximum13°C
(56°F)		18°C
(65°F)		22°C
(71°F)		25°C
(77°F)		28°C
(82°F)		32°C
(91°F)		35°C
(96°F)		35°C
(96°F)		31°C
(89°F)		26°C
(79°F)		19°C
(67°F)		15°C
(60°F)
Average high7°C
(45°F)		11°C
(51°F)		13°C
(56°F)		17°C
(63°F)		20°C
(68°F)		25°C
(77°F)		27°C
(81°F)		27°C
(80°F)		23°C
(74°F)		18°C
(64°F)		11°C
(53°F)		9°C
(48°F)
Daily mean4°C
(40°F)		6°C
(44°F)		9°C
(48°F)		11°C
(53°F)		15°C
(59°F)		20°C
(67°F)		21°C
(71°F)		21°C
(70°F)		17°C
(64°F)		13°C
(56°F)		8°C
(46°F)		6°C
(43°F)
Average low1°C
(35°F)		3°C
(37°F)		4°C
(39°F)		6°C
(43°F)		10°C
(49°F)		14°C
(57°F)		15°C
(60°F)		15°C
(59°F)		12°C
(54°F)		9°C
(49°F)		5°C
(40°F)		4°C
(39°F)
Mean minimum-4°C
(25°F)		-4°C
(24°F)		-3°C
(27°F)		-1°C
(30°F)		3°C
(37°F)		8°C
(47°F)		11°C
(52°F)		9°C
(49°F)		6°C
(43°F)		2°C
(36°F)		-2°C
(29°F)		-3°C
(27°F)
Minimum-8°C
(17°F)		-8°C
(18°F)		-10°C
(14°F)		-3°C
(27°F)		0°C
(33°F)		7°C
(44°F)		9°C
(49°F)		7°C
(45°F)		5°C
(40°F)		1°C
(33°F)		-3°C
(26°F)		-4°C
(26°F)

Compare climate in Blet with other places

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

Monthly average precipitation in Blet, France

Blet usually has the most precipitation in March, May and December, with an average of 15 rainy days and 92 mm (3.6 inches) of precipitation per month. The driest months in Blet are April, July and August. On average, 46 mm (1.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Blet. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)75 (3.0)64 (2.5)77 (3.0)44 (1.7)78 (3.1)68 (2.7)50 (2.0)45 (1.8)64 (2.5)75 (2.9)71 (2.8)123 (4.8)
Average precipitation days (≥ 1 mm)13121471310877121118

Monthly sunshine hours in Blet, France

The sunniest months in Blet are June, July and August, when the sun shines an average of 13 hours 5 minutes a day. Least sunny months in Blet: January, November and December receive an average of 5 hours 23 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Blet. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours125211271349383404416384330264205165
Mean daily daylight hours8h 59m10h 17m11h 56m13h 37m15h 3m15h 47m15h 24m14h 7m12h 30m10h 50m9h 21m8h 34m

Solar UV radiation in Blet, France

Blet 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 Blet UV Index data.

Average daily maximum UV levels by month for Blet. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)235689986421