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Monthly climate in Fort-Mahon-Plage, France

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Fort-Mahon-Plage features a oceanic climate (Cfb). Temperatures typically range between 6 °C (43 °F) and 18 °C (65 °F) through the year, but rarely can drop to -6 °C (22 °F) or can rise to as high as 34 °C (94 °F). The average annual precipitation amounts to about 971 mm (38.2 inches) and receives 161 rainy days on the 1 mm (0.04 inches) threshold annually. Fort-Mahon-Plage enjoys an average of 3579 hours of sunshine throughout the year, and daylight varies from 8 hours 5 minutes to 16 hours 19 minutes per day.

Monthly average temperatures in Fort-Mahon-Plage, France

The warmest months in Fort-Mahon-Plage are June, July and August, with daily mean temperatures ranging from 16 to 18 °C (62 - 65 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 6 to 8 °C (43 - 46 °F) throughout the day. On average each year, Fort-Mahon-Plage experiences 6 days above 25 °C (77.0 °F) and 6 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Fort-Mahon-Plage. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum14°C
(57°F)		15°C
(60°F)		20°C
(69°F)		22°C
(71°F)		24°C
(75°F)		30°C
(86°F)		34°C
(94°F)		32°C
(90°F)		26°C
(80°F)		23°C
(74°F)		18°C
(64°F)		14°C
(57°F)
Mean maximum12°C
(54°F)		13°C
(56°F)		16°C
(62°F)		20°C
(68°F)		22°C
(71°F)		25°C
(78°F)		28°C
(83°F)		27°C
(81°F)		24°C
(76°F)		21°C
(70°F)		16°C
(61°F)		13°C
(56°F)
Average high8°C
(46°F)		9°C
(48°F)		10°C
(51°F)		13°C
(56°F)		15°C
(60°F)		19°C
(66°F)		21°C
(70°F)		21°C
(70°F)		19°C
(66°F)		16°C
(61°F)		11°C
(53°F)		9°C
(49°F)
Daily mean6°C
(43°F)		7°C
(44°F)		8°C
(47°F)		10°C
(51°F)		13°C
(55°F)		16°C
(62°F)		18°C
(65°F)		18°C
(65°F)		16°C
(62°F)		14°C
(57°F)		10°C
(49°F)		8°C
(46°F)
Average low4°C
(40°F)		5°C
(41°F)		6°C
(43°F)		7°C
(45°F)		10°C
(51°F)		14°C
(57°F)		16°C
(60°F)		16°C
(61°F)		14°C
(57°F)		12°C
(53°F)		8°C
(46°F)		6°C
(43°F)
Mean minimum-0°C
(32°F)		-1°C
(31°F)		1°C
(35°F)		2°C
(36°F)		6°C
(43°F)		11°C
(51°F)		12°C
(55°F)		13°C
(56°F)		10°C
(50°F)		7°C
(44°F)		3°C
(38°F)		1°C
(34°F)
Minimum-3°C
(27°F)		-4°C
(25°F)		-6°C
(22°F)		1°C
(35°F)		5°C
(41°F)		9°C
(49°F)		11°C
(52°F)		13°C
(55°F)		8°C
(46°F)		3°C
(38°F)		2°C
(36°F)		-1°C
(31°F)

Compare climate in Fort-Mahon-Plage with other places

Compare temperature, precipitation, sunshine, UV index in Fort-Mahon-Plage, France with other places around the world.

Monthly average precipitation in Fort-Mahon-Plage, France

Fort-Mahon-Plage usually has the most precipitation in October, November and December, with an average of 17 rainy days and 121 mm (4.8 inches) of precipitation per month. The driest months in Fort-Mahon-Plage are April, June and July. On average, 49 mm (1.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Fort-Mahon-Plage. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)83 (3.3)75 (3.0)82 (3.2)31 (1.2)72 (2.8)65 (2.6)50 (2.0)79 (3.1)71 (2.8)116 (4.6)101 (4.0)146 (5.7)
Average precipitation days (≥ 1 mm)13141671210101412171620

Monthly sunshine hours in Fort-Mahon-Plage, France

The sunniest months in Fort-Mahon-Plage are May, June and July, when the sun shines an average of 13 hours 37 minutes a day. Least sunny months in Fort-Mahon-Plage: January, February 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 Fort-Mahon-Plage. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours127196284357409417426395328262207166
Mean daily daylight hours8h 33m10h 3m11h 55m13h 49m15h 28m16h 19m15h 52m14h 23m12h 33m10h 40m8h 59m8h 5m

Solar UV radiation in Fort-Mahon-Plage, France

Fort-Mahon-Plage 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, February 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 Fort-Mahon-Plage UV Index data.

Average daily maximum UV levels by month for Fort-Mahon-Plage. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)224679885421