Monthly climate in Grandcamp-Maisy, France

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Grandcamp-Maisy features a oceanic climate (Cfb). Temperatures typically range between 8 °C (46 °F) and 18 °C (65 °F) through the year, but rarely can drop to -3 °C (28 °F) or can rise to as high as 27 °C (82 °F). The average annual precipitation amounts to about 896 mm (35.3 inches) and receives 154 rainy days on the 1 mm (0.04 inches) threshold annually. Grandcamp-Maisy enjoys an average of 3638 hours of sunshine throughout the year, and daylight varies from 8 hours 13 minutes to 16 hours 10 minutes per day.

Monthly average temperatures in Grandcamp-Maisy, France

The warmest months in Grandcamp-Maisy are July, August and September, with daily mean temperatures ranging from 17 to 18 °C (62 - 65 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 8 to 9 °C (46 - 48 °F) throughout the day. On average each year, Grandcamp-Maisy experiences 0 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 Grandcamp-Maisy. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum15°C
(59°F)
15°C
(59°F)
17°C
(63°F)
21°C
(70°F)
22°C
(73°F)
25°C
(78°F)
27°C
(82°F)
26°C
(79°F)
25°C
(77°F)
23°C
(73°F)
17°C
(63°F)
14°C
(57°F)
Mean maximum13°C
(55°F)
13°C
(55°F)
15°C
(58°F)
18°C
(64°F)
19°C
(67°F)
21°C
(70°F)
24°C
(76°F)
23°C
(74°F)
24°C
(75°F)
20°C
(69°F)
16°C
(61°F)
14°C
(57°F)
Average high9°C
(48°F)
9°C
(49°F)
10°C
(51°F)
12°C
(54°F)
14°C
(58°F)
17°C
(63°F)
19°C
(67°F)
20°C
(68°F)
18°C
(65°F)
16°C
(61°F)
12°C
(54°F)
10°C
(51°F)
Daily mean8°C
(46°F)
8°C
(46°F)
9°C
(48°F)
10°C
(50°F)
13°C
(55°F)
16°C
(60°F)
18°C
(64°F)
18°C
(65°F)
17°C
(62°F)
14°C
(58°F)
11°C
(52°F)
9°C
(48°F)
Average low6°C
(43°F)
6°C
(44°F)
7°C
(45°F)
8°C
(47°F)
11°C
(52°F)
14°C
(57°F)
16°C
(61°F)
16°C
(62°F)
15°C
(60°F)
13°C
(55°F)
9°C
(49°F)
8°C
(46°F)
Mean minimum3°C
(37°F)
2°C
(35°F)
3°C
(38°F)
5°C
(41°F)
8°C
(46°F)
12°C
(53°F)
14°C
(58°F)
14°C
(57°F)
12°C
(54°F)
10°C
(50°F)
6°C
(42°F)
3°C
(38°F)
Minimum-1°C
(30°F)
-1°C
(30°F)
-3°C
(28°F)
4°C
(39°F)
7°C
(44°F)
11°C
(52°F)
13°C
(56°F)
14°C
(57°F)
11°C
(51°F)
8°C
(47°F)
3°C
(39°F)
2°C
(36°F)

Compare climate in Grandcamp-Maisy with other places

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

Monthly average precipitation in Grandcamp-Maisy, France

Grandcamp-Maisy usually has the most precipitation in October, November and December, with an average of 17 rainy days and 121 mm (4.7 inches) of precipitation per month. The driest months in Grandcamp-Maisy are April, May and July. On average, 45 mm (1.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Grandcamp-Maisy. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)71 (2.8)71 (2.8)69 (2.7)33 (1.3)58 (2.3)66 (2.6)44 (1.7)58 (2.3)63 (2.5)123 (4.8)99 (3.9)140 (5.5)
Average precipitation days (≥ 1 mm)13131481011101111171719

Monthly sunshine hours in Grandcamp-Maisy, France

The sunniest months in Grandcamp-Maisy are May, June and July, when the sun shines an average of 13 hours 40 minutes a day. Least sunny months in Grandcamp-Maisy: 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 Grandcamp-Maisy. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours137201286360413414430394332267218178
Mean daily daylight hours8h 41m10h 7m11h 55m13h 46m15h 21m16h 10m15h 44m14h 19m12h 32m10h 43m9h 5m8h 13m

Solar UV radiation in Grandcamp-Maisy, France

Grandcamp-Maisy 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 Grandcamp-Maisy UV Index data.

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