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Monthly climate in Cornillon, France

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Cornillon features a warm-summer Mediterranean climate (Csb). Temperatures typically range between 6 °C (44 °F) and 26 °C (78 °F) through the year, but rarely can drop to -6 °C (21 °F) or can rise to as high as 41 °C (106 °F). The average annual precipitation amounts to about 903 mm (35.5 inches) and receives 86 rainy days on the 1 mm (0.04 inches) threshold annually. Cornillon enjoys an average of 3820 hours of sunshine throughout the year, and daylight varies from 8 hours 54 minutes to 15 hours 26 minutes per day.

Monthly average temperatures in Cornillon, France

The warmest months in Cornillon are June, July and August, with daily mean temperatures ranging from 23 to 26 °C (73 - 78 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 6 to 9 °C (44 - 48 °F) throughout the day. On average each year, Cornillon experiences 104 days above 25 °C (77.0 °F) and 14 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Cornillon. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum18°C
(64°F)		21°C
(71°F)		23°C
(74°F)		28°C
(82°F)		34°C
(94°F)		41°C
(106°F)		38°C
(101°F)		38°C
(101°F)		35°C
(95°F)		27°C
(82°F)		20°C
(69°F)		19°C
(66°F)
Mean maximum15°C
(60°F)		20°C
(67°F)		23°C
(73°F)		26°C
(79°F)		30°C
(85°F)		34°C
(93°F)		36°C
(97°F)		37°C
(99°F)		33°C
(92°F)		26°C
(79°F)		19°C
(67°F)		17°C
(62°F)
Average high10°C
(51°F)		13°C
(57°F)		16°C
(61°F)		20°C
(67°F)		23°C
(74°F)		28°C
(84°F)		32°C
(89°F)		31°C
(89°F)		27°C
(81°F)		21°C
(70°F)		15°C
(58°F)		11°C
(52°F)
Daily mean6°C
(44°F)		9°C
(48°F)		11°C
(52°F)		14°C
(57°F)		18°C
(65°F)		23°C
(73°F)		26°C
(78°F)		25°C
(77°F)		21°C
(70°F)		16°C
(61°F)		10°C
(51°F)		7°C
(45°F)
Average low3°C
(38°F)		4°C
(40°F)		6°C
(42°F)		8°C
(47°F)		13°C
(55°F)		17°C
(63°F)		19°C
(67°F)		19°C
(66°F)		15°C
(60°F)		11°C
(53°F)		7°C
(45°F)		4°C
(39°F)
Mean minimum-3°C
(28°F)		-2°C
(28°F)		-1°C
(31°F)		2°C
(36°F)		7°C
(45°F)		13°C
(56°F)		14°C
(58°F)		15°C
(59°F)		10°C
(50°F)		5°C
(42°F)		-0°C
(32°F)		-3°C
(27°F)
Minimum-4°C
(25°F)		-6°C
(22°F)		-6°C
(21°F)		-1°C
(31°F)		4°C
(40°F)		10°C
(51°F)		12°C
(55°F)		12°C
(54°F)		9°C
(48°F)		3°C
(37°F)		-1°C
(30°F)		-4°C
(26°F)

Compare climate in Cornillon with other places

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

Monthly average precipitation in Cornillon, France

Cornillon usually has the most precipitation in May, October and November, with an average of 9 rainy days and 124 mm (4.9 inches) of precipitation per month. The driest months in Cornillon are January, February and July. On average, 42 mm (1.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Cornillon. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)45 (1.8)37 (1.5)81 (3.2)82 (3.2)98 (3.8)59 (2.3)44 (1.7)49 (1.9)52 (2.0)130 (5.1)143 (5.6)84 (3.3)
Average precipitation days (≥ 1 mm)75779764581011

Monthly sunshine hours in Cornillon, France

The sunniest months in Cornillon are June, July and August, when the sun shines an average of 13 hours 38 minutes a day. Least sunny months in Cornillon: January, November and December receive an average of 7 hours 3 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Cornillon. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours184242316338389419435400339288241222
Mean daily daylight hours9h 16m10h 27m11h 56m13h 28m14h 46m15h 26m15h 5m13h 56m12h 27m10h 56m9h 36m8h 54m

Solar UV radiation in Cornillon, France

Cornillon experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 9 - 10, which corresponds to the Very High category of sun exposure. January, November and December are in the Low / Moderate exposure category. In these months, the maximum values of the UV index do not exceed 3. For more detailed information, check out our hourly Cornillon UV Index data.

Average daily maximum UV levels by month for Cornillon. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)2457810997532