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Monthly climate in Janneyrias, France

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Janneyrias features a oceanic climate (Cfb). Temperatures typically range between 4 °C (39 °F) and 23 °C (74 °F) through the year, but rarely can drop to -10 °C (14 °F) or can rise to as high as 40 °C (103 °F). The average annual precipitation amounts to about 994 mm (39.1 inches) and receives 130 rainy days on the 1 mm (0.04 inches) threshold annually. Janneyrias enjoys an average of 3621 hours of sunshine throughout the year, and daylight varies from 8 hours 42 minutes to 15 hours 39 minutes per day.

Monthly average temperatures in Janneyrias, France

The warmest months in Janneyrias are June, July and August, with daily mean temperatures ranging from 21 to 23 °C (70 - 74 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 4 to 6 °C (39 - 44 °F) throughout the day. On average each year, Janneyrias experiences 75 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 Janneyrias. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum15°C
(59°F)		20°C
(68°F)		23°C
(74°F)		28°C
(82°F)		32°C
(90°F)		38°C
(100°F)		40°C
(103°F)		39°C
(103°F)		34°C
(93°F)		27°C
(80°F)		20°C
(68°F)		17°C
(62°F)
Mean maximum13°C
(56°F)		18°C
(65°F)		21°C
(70°F)		25°C
(77°F)		29°C
(84°F)		32°C
(90°F)		36°C
(97°F)		36°C
(98°F)		31°C
(89°F)		25°C
(76°F)		19°C
(67°F)		15°C
(60°F)
Average high7°C
(45°F)		11°C
(52°F)		14°C
(57°F)		18°C
(65°F)		21°C
(70°F)		26°C
(79°F)		29°C
(84°F)		29°C
(84°F)		24°C
(76°F)		18°C
(65°F)		11°C
(52°F)		8°C
(47°F)
Daily mean4°C
(39°F)		6°C
(44°F)		9°C
(48°F)		12°C
(54°F)		16°C
(61°F)		21°C
(70°F)		23°C
(74°F)		22°C
(73°F)		18°C
(65°F)		13°C
(56°F)		8°C
(46°F)		5°C
(42°F)
Average low1°C
(34°F)		2°C
(37°F)		4°C
(39°F)		7°C
(44°F)		11°C
(52°F)		15°C
(60°F)		17°C
(63°F)		17°C
(62°F)		13°C
(56°F)		9°C
(49°F)		5°C
(41°F)		3°C
(37°F)
Mean minimum-4°C
(24°F)		-4°C
(25°F)		-3°C
(27°F)		-1°C
(31°F)		5°C
(41°F)		10°C
(50°F)		13°C
(55°F)		11°C
(52°F)		7°C
(45°F)		3°C
(37°F)		-1°C
(30°F)		-3°C
(26°F)
Minimum-8°C
(19°F)		-8°C
(18°F)		-10°C
(14°F)		-4°C
(26°F)		2°C
(35°F)		8°C
(47°F)		12°C
(54°F)		10°C
(50°F)		5°C
(42°F)		1°C
(34°F)		-4°C
(25°F)		-4°C
(25°F)

Compare climate in Janneyrias with other places

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

Monthly average precipitation in Janneyrias, France

Janneyrias usually has the most precipitation in May, November and December, with an average of 14 rainy days and 117 mm (4.6 inches) of precipitation per month. The driest months in Janneyrias are February, April and September. On average, 57 mm (2.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Janneyrias. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)73 (2.9)60 (2.4)77 (3.0)47 (1.9)117 (4.6)81 (3.2)75 (3.0)68 (2.7)65 (2.5)97 (3.8)98 (3.9)136 (5.4)
Average precipitation days (≥ 1 mm)11101271411898101218

Monthly sunshine hours in Janneyrias, France

The sunniest months in Janneyrias are June, July and August, when the sun shines an average of 13 hours 17 minutes a day. Least sunny months in Janneyrias: January, November and December receive an average of 5 hours 59 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Janneyrias. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours147229295350365411419392330275214188
Mean daily daylight hours9h 6m10h 21m11h 56m13h 33m14h 56m15h 39m15h 16m14h 2m12h 29m10h 52m9h 27m8h 42m

Solar UV radiation in Janneyrias, France

Janneyrias experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 8 - 10, which corresponds to the Very High category of sun exposure. January, February and December are in the Low / Moderate exposure category. In these months, the maximum values of the UV index do not exceed 3. For more detailed information, check out our hourly Janneyrias UV Index data.

Average daily maximum UV levels by month for Janneyrias. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)2356810986532