nomadseason

Monthly climate in Grosville, France

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Grosville features a oceanic climate (Cfb). Temperatures typically range between 7 °C (46 °F) and 18 °C (64 °F) through the year, but rarely can drop to -3 °C (26 °F) or can rise to as high as 30 °C (86 °F). The average annual precipitation amounts to about 909 mm (35.8 inches) and receives 151 rainy days on the 1 mm (0.04 inches) threshold annually. Grosville enjoys an average of 3631 hours of sunshine throughout the year, and daylight varies from 8 hours 11 minutes to 16 hours 12 minutes per day.

Monthly average temperatures in Grosville, France

The warmest months in Grosville are July, August and September, with daily mean temperatures ranging from 16 to 18 °C (61 - 64 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 7 to 9 °C (46 - 48 °F) throughout the day. On average each year, Grosville experiences 2 days above 25 °C (77.0 °F) and 1 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Grosville. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum13°C
(56°F)		16°C
(61°F)		20°C
(68°F)		22°C
(73°F)		24°C
(75°F)		27°C
(80°F)		30°C
(86°F)		29°C
(84°F)		26°C
(79°F)		22°C
(72°F)		17°C
(63°F)		14°C
(58°F)
Mean maximum12°C
(54°F)		13°C
(56°F)		16°C
(61°F)		19°C
(67°F)		21°C
(70°F)		22°C
(73°F)		26°C
(79°F)		25°C
(78°F)		24°C
(75°F)		19°C
(67°F)		16°C
(60°F)		14°C
(57°F)
Average high9°C
(48°F)		9°C
(49°F)		11°C
(51°F)		13°C
(55°F)		15°C
(59°F)		18°C
(65°F)		20°C
(68°F)		20°C
(68°F)		18°C
(65°F)		15°C
(60°F)		12°C
(54°F)		10°C
(51°F)
Daily mean7°C
(46°F)		8°C
(46°F)		9°C
(48°F)		10°C
(51°F)		13°C
(55°F)		16°C
(61°F)		18°C
(64°F)		17°C
(64°F)		16°C
(61°F)		14°C
(57°F)		10°C
(51°F)		9°C
(48°F)
Average low6°C
(43°F)		6°C
(43°F)		7°C
(45°F)		8°C
(46°F)		10°C
(51°F)		13°C
(56°F)		15°C
(60°F)		15°C
(60°F)		14°C
(58°F)		12°C
(54°F)		9°C
(48°F)		7°C
(46°F)
Mean minimum2°C
(36°F)		1°C
(34°F)		3°C
(37°F)		4°C
(39°F)		7°C
(44°F)		11°C
(51°F)		13°C
(56°F)		13°C
(55°F)		11°C
(52°F)		8°C
(48°F)		5°C
(41°F)		2°C
(37°F)
Minimum-2°C
(28°F)		-2°C
(29°F)		-3°C
(26°F)		3°C
(37°F)		5°C
(42°F)		10°C
(50°F)		12°C
(54°F)		12°C
(54°F)		9°C
(48°F)		7°C
(44°F)		3°C
(38°F)		1°C
(35°F)

Compare climate in Grosville with other places

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

Monthly average precipitation in Grosville, France

Grosville usually has the most precipitation in October, November and December, with an average of 16 rainy days and 116 mm (4.6 inches) of precipitation per month. The driest months in Grosville are April, May and July. On average, 48 mm (1.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Grosville. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)75 (2.9)70 (2.7)72 (2.8)36 (1.4)60 (2.4)75 (3.0)50 (1.9)65 (2.6)60 (2.4)118 (4.7)93 (3.7)135 (5.3)
Average precipitation days (≥ 1 mm)1213159101191310161518

Monthly sunshine hours in Grosville, France

The sunniest months in Grosville are May, June and July, when the sun shines an average of 13 hours 40 minutes a day. Least sunny months in Grosville: January, February and December receive an average of 5 hours 41 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Grosville. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours137200285357413412431394333266219179
Mean daily daylight hours8h 39m10h 6m11h 55m13h 46m15h 23m16h 12m15h 46m14h 20m12h 32m10h 42m9h 3m8h 11m

Solar UV radiation in Grosville, France

Grosville experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 7 - 9, which corresponds to the High / 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 Grosville UV Index data.

Average daily maximum UV levels by month for Grosville. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)234679876421