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Monthly climate in Sandillon, France

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Sandillon features a oceanic climate (Cfb). Temperatures typically range between 5 °C (41 °F) and 21 °C (71 °F) through the year, but rarely can drop to -10 °C (15 °F) or can rise to as high as 42 °C (107 °F). The average annual precipitation amounts to about 787 mm (31.0 inches) and receives 133 rainy days on the 1 mm (0.04 inches) threshold annually. Sandillon enjoys an average of 3506 hours of sunshine throughout the year, and daylight varies from 8 hours 26 minutes to 15 hours 56 minutes per day.

Monthly average temperatures in Sandillon, France

The warmest months in Sandillon are June, July and August, with daily mean temperatures ranging from 20 to 21 °C (67 - 71 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 5 to 7 °C (41 - 44 °F) throughout the day. On average each year, Sandillon experiences 59 days above 25 °C (77.0 °F) and 29 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Sandillon. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum15°C
(60°F)		22°C
(72°F)		25°C
(78°F)		29°C
(84°F)		32°C
(90°F)		38°C
(102°F)		42°C
(107°F)		38°C
(100°F)		36°C
(97°F)		27°C
(81°F)		20°C
(69°F)		16°C
(61°F)
Mean maximum13°C
(56°F)		17°C
(64°F)		22°C
(72°F)		26°C
(79°F)		28°C
(83°F)		33°C
(91°F)		35°C
(96°F)		35°C
(95°F)		31°C
(89°F)		25°C
(77°F)		18°C
(65°F)		15°C
(59°F)
Average high7°C
(45°F)		10°C
(51°F)		13°C
(56°F)		17°C
(63°F)		20°C
(68°F)		25°C
(77°F)		27°C
(80°F)		26°C
(80°F)		23°C
(74°F)		17°C
(64°F)		11°C
(53°F)		9°C
(48°F)
Daily mean5°C
(41°F)		7°C
(44°F)		9°C
(48°F)		12°C
(53°F)		15°C
(59°F)		20°C
(67°F)		21°C
(71°F)		21°C
(70°F)		17°C
(64°F)		13°C
(56°F)		8°C
(46°F)		6°C
(44°F)
Average low2°C
(36°F)		3°C
(38°F)		4°C
(40°F)		6°C
(43°F)		10°C
(50°F)		14°C
(58°F)		16°C
(60°F)		15°C
(59°F)		12°C
(54°F)		9°C
(49°F)		5°C
(41°F)		4°C
(39°F)
Mean minimum-3°C
(26°F)		-3°C
(26°F)		-2°C
(28°F)		-1°C
(31°F)		3°C
(38°F)		9°C
(48°F)		11°C
(52°F)		9°C
(49°F)		6°C
(43°F)		2°C
(36°F)		-2°C
(29°F)		-2°C
(28°F)
Minimum-7°C
(20°F)		-8°C
(18°F)		-10°C
(15°F)		-4°C
(25°F)		1°C
(34°F)		7°C
(45°F)		9°C
(48°F)		7°C
(45°F)		4°C
(40°F)		1°C
(34°F)		-3°C
(27°F)		-3°C
(27°F)

Compare climate in Sandillon with other places

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

Monthly average precipitation in Sandillon, France

Sandillon usually has the most precipitation in May, October and December, with an average of 14 rainy days and 90 mm (3.5 inches) of precipitation per month. The driest months in Sandillon are April, July and August. On average, 41 mm (1.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Sandillon. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)67 (2.6)67 (2.6)72 (2.8)35 (1.4)84 (3.3)70 (2.8)48 (1.9)41 (1.6)50 (2.0)80 (3.1)68 (2.7)105 (4.1)
Average precipitation days (≥ 1 mm)11131371311787131218

Monthly sunshine hours in Sandillon, France

The sunniest months in Sandillon are May, June and July, when the sun shines an average of 13 hours 4 minutes a day. Least sunny months in Sandillon: January, November and December receive an average of 5 hours 25 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Sandillon. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours128206271354383401416381327264206164
Mean daily daylight hours8h 52m10h 14m11h 55m13h 40m15h 10m15h 56m15h 31m14h 11m12h 31m10h 47m9h 15m8h 26m

Solar UV radiation in Sandillon, France

Sandillon 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, 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 Sandillon UV Index data.

Average daily maximum UV levels by month for Sandillon. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)235689986421