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Monthly climate in Gandelu, France

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Gandelu features a oceanic climate (Cfb). Temperatures typically range between 4 °C (39 °F) and 20 °C (69 °F) through the year, but rarely can drop to -10 °C (14 °F) or can rise to as high as 42 °C (107 °F). The average annual precipitation amounts to about 858 mm (33.8 inches) and receives 139 rainy days on the 1 mm (0.04 inches) threshold annually. Gandelu enjoys an average of 3441 hours of sunshine throughout the year, and daylight varies from 8 hours 18 minutes to 16 hours 5 minutes per day.

Monthly average temperatures in Gandelu, France

The warmest months in Gandelu are June, July and August, with daily mean temperatures ranging from 19 to 20 °C (66 - 69 °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 - 42 °F) throughout the day. On average each year, Gandelu experiences 43 days above 25 °C (77.0 °F) and 32 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Gandelu. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum14°C
(58°F)		20°C
(67°F)		23°C
(75°F)		27°C
(81°F)		31°C
(88°F)		35°C
(95°F)		42°C
(107°F)		38°C
(101°F)		34°C
(93°F)		25°C
(77°F)		19°C
(67°F)		15°C
(59°F)
Mean maximum12°C
(54°F)		16°C
(61°F)		20°C
(68°F)		24°C
(76°F)		27°C
(81°F)		30°C
(87°F)		34°C
(94°F)		34°C
(94°F)		30°C
(86°F)		23°C
(74°F)		17°C
(63°F)		14°C
(58°F)
Average high6°C
(44°F)		9°C
(48°F)		12°C
(54°F)		16°C
(61°F)		19°C
(66°F)		24°C
(75°F)		25°C
(78°F)		25°C
(77°F)		22°C
(71°F)		16°C
(61°F)		10°C
(51°F)		8°C
(46°F)
Daily mean4°C
(39°F)		6°C
(42°F)		8°C
(46°F)		11°C
(52°F)		14°C
(58°F)		19°C
(66°F)		20°C
(69°F)		20°C
(68°F)		16°C
(62°F)		12°C
(54°F)		7°C
(45°F)		5°C
(42°F)
Average low2°C
(35°F)		3°C
(37°F)		4°C
(39°F)		5°C
(42°F)		9°C
(48°F)		13°C
(56°F)		15°C
(59°F)		15°C
(59°F)		12°C
(53°F)		9°C
(48°F)		4°C
(40°F)		3°C
(38°F)
Mean minimum-4°C
(26°F)		-4°C
(25°F)		-2°C
(28°F)		-1°C
(30°F)		3°C
(37°F)		8°C
(47°F)		11°C
(52°F)		9°C
(49°F)		6°C
(43°F)		2°C
(37°F)		-2°C
(29°F)		-3°C
(26°F)
Minimum-7°C
(20°F)		-10°C
(14°F)		-10°C
(15°F)		-3°C
(26°F)		0°C
(32°F)		6°C
(44°F)		9°C
(48°F)		6°C
(43°F)		5°C
(41°F)		1°C
(34°F)		-3°C
(26°F)		-4°C
(26°F)

Compare climate in Gandelu with other places

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

Monthly average precipitation in Gandelu, France

Gandelu usually has the most precipitation in March, October and December, with an average of 15 rainy days and 95 mm (3.8 inches) of precipitation per month. The driest months in Gandelu are April, July and September. On average, 51 mm (2.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Gandelu. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)73 (2.9)77 (3.0)77 (3.0)36 (1.4)71 (2.8)62 (2.4)58 (2.3)63 (2.5)61 (2.4)88 (3.5)72 (2.8)121 (4.8)
Average precipitation days (≥ 1 mm)121214712119108141317

Monthly sunshine hours in Gandelu, France

The sunniest months in Gandelu are May, June and July, when the sun shines an average of 13 hours 1 minutes a day. Least sunny months in Gandelu: January, February and December receive an average of 5 hours 3 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Gandelu. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours115196263351385404408384322262198148
Mean daily daylight hours8h 45m10h 10m11h 55m13h 44m15h 17m16h 5m15h 40m14h 16m12h 32m10h 44m9h 8m8h 18m

Solar UV radiation in Gandelu, France

Gandelu experiences the highest level of ultraviolet (UV) radiation in May, June and August, when the maximum UV index can reach values of 8 - 9, which corresponds to the 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 Gandelu UV Index data.

Average daily maximum UV levels by month for Gandelu. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)235689886421