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Monthly climate in Jallais, France

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Jallais features a oceanic climate (Cfb). Temperatures typically range between 6 °C (42 °F) and 21 °C (69 °F) through the year, but rarely can drop to -8 °C (18 °F) or can rise to as high as 40 °C (103 °F). The average annual precipitation amounts to about 732 mm (28.8 inches) and receives 124 rainy days on the 1 mm (0.04 inches) threshold annually. Jallais enjoys an average of 3600 hours of sunshine throughout the year, and daylight varies from 8 hours 32 minutes to 15 hours 50 minutes per day.

Monthly average temperatures in Jallais, France

The warmest months in Jallais are June, July and August, with daily mean temperatures ranging from 19 to 21 °C (66 - 69 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 6 to 7 °C (42 - 45 °F) throughout the day. On average each year, Jallais experiences 48 days above 25 °C (77.0 °F) and 24 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Jallais. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum16°C
(61°F)		22°C
(73°F)		24°C
(76°F)		27°C
(81°F)		31°C
(88°F)		37°C
(99°F)		40°C
(103°F)		38°C
(100°F)		35°C
(96°F)		27°C
(80°F)		19°C
(66°F)		17°C
(62°F)
Mean maximum14°C
(57°F)		17°C
(62°F)		21°C
(70°F)		25°C
(77°F)		27°C
(82°F)		31°C
(88°F)		35°C
(94°F)		34°C
(93°F)		31°C
(87°F)		24°C
(75°F)		18°C
(64°F)		15°C
(59°F)
Average high8°C
(47°F)		11°C
(52°F)		13°C
(56°F)		17°C
(62°F)		20°C
(68°F)		24°C
(75°F)		26°C
(79°F)		25°C
(78°F)		23°C
(74°F)		18°C
(64°F)		12°C
(54°F)		10°C
(50°F)
Daily mean6°C
(42°F)		7°C
(45°F)		9°C
(48°F)		12°C
(53°F)		15°C
(59°F)		19°C
(66°F)		21°C
(69°F)		20°C
(68°F)		17°C
(63°F)		13°C
(56°F)		8°C
(47°F)		7°C
(45°F)
Average low3°C
(37°F)		4°C
(39°F)		5°C
(41°F)		6°C
(44°F)		10°C
(50°F)		14°C
(57°F)		15°C
(59°F)		15°C
(58°F)		12°C
(54°F)		10°C
(49°F)		5°C
(42°F)		4°C
(40°F)
Mean minimum-3°C
(27°F)		-3°C
(27°F)		-2°C
(29°F)		-0°C
(31°F)		4°C
(39°F)		8°C
(47°F)		11°C
(51°F)		9°C
(49°F)		6°C
(44°F)		3°C
(38°F)		-1°C
(30°F)		-3°C
(27°F)
Minimum-7°C
(19°F)		-7°C
(20°F)		-8°C
(18°F)		-3°C
(27°F)		0°C
(33°F)		6°C
(44°F)		8°C
(47°F)		8°C
(46°F)		5°C
(41°F)		2°C
(36°F)		-3°C
(27°F)		-4°C
(26°F)

Compare climate in Jallais with other places

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

Monthly average precipitation in Jallais, France

Jallais usually has the most precipitation in June, October and December, with an average of 13 rainy days and 85 mm (3.4 inches) of precipitation per month. The driest months in Jallais are July, August and September. On average, 36 mm (1.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Jallais. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)47 (1.9)61 (2.4)68 (2.7)49 (1.9)68 (2.7)88 (3.4)31 (1.2)37 (1.5)41 (1.6)77 (3.0)73 (2.9)92 (3.6)
Average precipitation days (≥ 1 mm)9111291212668121215

Monthly sunshine hours in Jallais, France

The sunniest months in Jallais are May, June and July, when the sun shines an average of 13 hours 10 minutes a day. Least sunny months in Jallais: January, February and December receive an average of 5 hours 53 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Jallais. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours141206285347391400420391332271224187
Mean daily daylight hours8h 57m10h 17m11h 56m13h 38m15h 5m15h 50m15h 26m14h 8m12h 30m10h 49m9h 19m8h 32m

Solar UV radiation in Jallais, France

Jallais 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 Jallais UV Index data.

Average daily maximum UV levels by month for Jallais. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)235689986422