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Monthly climate in Marnaz, France

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Marnaz features a oceanic climate (Cfb). Temperatures typically range between -4 °C (26 °F) and 16 °C (62 °F) through the year, but rarely can drop to -22 °C (-8 °F) or can rise to as high as 31 °C (88 °F). The average annual precipitation amounts to about 1737 mm (68.4 inches) and receives 169 rainy days on the 1 mm (0.04 inches) threshold annually. Marnaz enjoys an average of 3633 hours of sunshine throughout the year, and daylight varies from 8 hours 40 minutes to 15 hours 41 minutes per day.

Monthly average temperatures in Marnaz, France

The warmest months in Marnaz are June, July and August, with daily mean temperatures ranging from 15 to 16 °C (59 - 62 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -4 to 0 °C (26 - 32 °F) throughout the day. On average each year, Marnaz experiences 12 days above 25 °C (77.0 °F) and 137 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Marnaz. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum8°C
(47°F)		15°C
(59°F)		18°C
(64°F)		21°C
(71°F)		26°C
(80°F)		31°C
(87°F)		31°C
(88°F)		29°C
(84°F)		24°C
(76°F)		21°C
(70°F)		18°C
(64°F)		10°C
(51°F)
Mean maximum6°C
(44°F)		12°C
(54°F)		15°C
(59°F)		19°C
(66°F)		22°C
(72°F)		24°C
(75°F)		28°C
(82°F)		28°C
(83°F)		23°C
(74°F)		19°C
(66°F)		14°C
(58°F)		8°C
(47°F)
Average high1°C
(34°F)		5°C
(41°F)		8°C
(46°F)		12°C
(54°F)		15°C
(59°F)		20°C
(68°F)		22°C
(71°F)		21°C
(71°F)		17°C
(63°F)		13°C
(56°F)		7°C
(44°F)		2°C
(35°F)
Daily mean-4°C
(26°F)		-0°C
(32°F)		2°C
(37°F)		6°C
(44°F)		10°C
(50°F)		15°C
(59°F)		16°C
(62°F)		16°C
(61°F)		12°C
(54°F)		8°C
(46°F)		2°C
(36°F)		-2°C
(29°F)
Average low-7°C
(19°F)		-5°C
(24°F)		-3°C
(28°F)		0°C
(33°F)		4°C
(40°F)		9°C
(48°F)		10°C
(51°F)		10°C
(51°F)		7°C
(45°F)		3°C
(38°F)		-2°C
(29°F)		-6°C
(22°F)
Mean minimum-16°C
(3°F)		-13°C
(9°F)		-12°C
(10°F)		-9°C
(16°F)		-2°C
(29°F)		4°C
(39°F)		6°C
(43°F)		5°C
(41°F)		1°C
(34°F)		-3°C
(27°F)		-8°C
(17°F)		-15°C
(5°F)
Minimum-22°C
(-8°F)		-18°C
(-0°F)		-20°C
(-4°F)		-12°C
(10°F)		-5°C
(23°F)		2°C
(36°F)		5°C
(41°F)		4°C
(39°F)		-3°C
(28°F)		-6°C
(22°F)		-12°C
(10°F)		-19°C
(-2°F)

Compare climate in Marnaz with other places

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

Monthly average precipitation in Marnaz, France

Marnaz usually has the most precipitation in May, June and December, with an average of 18 rainy days and 213 mm (8.4 inches) of precipitation per month. The driest months in Marnaz are April, September and November. On average, 98 mm (3.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Marnaz. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)138 (5.4)121 (4.7)157 (6.2)84 (3.3)213 (8.4)174 (6.9)133 (5.3)134 (5.3)94 (3.7)122 (4.8)116 (4.6)250 (9.9)
Average precipitation days (≥ 1 mm)101115122117161313111218

Monthly sunshine hours in Marnaz, France

The sunniest months in Marnaz are June, July and August, when the sun shines an average of 13 hours 5 minutes a day. Least sunny months in Marnaz: January, November and December receive an average of 6 hours 17 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Marnaz. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours165231298348356396418389328286219194
Mean daily daylight hours9h 4m10h 20m11h 56m13h 34m14h 58m15h 41m15h 18m14h 3m12h 29m10h 52m9h 25m8h 40m

Solar UV radiation in Marnaz, France

Marnaz experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 9 - 10, which corresponds to the Very High category of sun exposure. January, November 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 Marnaz UV Index data.

Average daily maximum UV levels by month for Marnaz. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)24679101097532