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Monthly climate in Guilly, France

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Guilly features a oceanic climate (Cfb). Temperatures typically range between 5 °C (40 °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 777 mm (30.6 inches) and receives 130 rainy days on the 1 mm (0.04 inches) threshold annually. Guilly enjoys an average of 3490 hours of sunshine throughout the year, and daylight varies from 8 hours 27 minutes to 15 hours 55 minutes per day.

Monthly average temperatures in Guilly, France

The warmest months in Guilly 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 6 °C (40 - 44 °F) throughout the day. On average each year, Guilly 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 Guilly. 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
(77°F)		28°C
(83°F)		32°C
(90°F)		38°C
(101°F)		42°C
(107°F)		37°C
(100°F)		36°C
(97°F)		27°C
(81°F)		21°C
(69°F)		16°C
(61°F)
Mean maximum13°C
(56°F)		17°C
(64°F)		22°C
(72°F)		26°C
(78°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
(40°F)		6°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)		8°C
(48°F)		11°C
(52°F)		9°C
(49°F)		6°C
(43°F)		2°C
(36°F)		-2°C
(29°F)		-3°C
(28°F)
Minimum-7°C
(19°F)		-7°C
(20°F)		-10°C
(15°F)		-4°C
(25°F)		1°C
(34°F)		7°C
(45°F)		8°C
(47°F)		7°C
(44°F)		4°C
(39°F)		1°C
(35°F)		-3°C
(27°F)		-3°C
(27°F)

Compare climate in Guilly with other places

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

Monthly average precipitation in Guilly, France

Guilly usually has the most precipitation in May, October and December, with an average of 13 rainy days and 88 mm (3.5 inches) of precipitation per month. The driest months in Guilly 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 Guilly. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)67 (2.6)64 (2.5)72 (2.8)36 (1.4)83 (3.3)67 (2.6)48 (1.9)40 (1.6)52 (2.1)80 (3.1)66 (2.6)102 (4.0)
Average precipitation days (≥ 1 mm)11121371211797121217

Monthly sunshine hours in Guilly, France

The sunniest months in Guilly are May, June and July, when the sun shines an average of 13 hours 4 minutes a day. Least sunny months in Guilly: January, November and December receive an average of 5 hours 19 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Guilly. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours124206270351384402415380326262205159
Mean daily daylight hours8h 53m10h 14m11h 56m13h 40m15h 9m15h 55m15h 31m14h 11m12h 31m10h 47m9h 15m8h 27m

Solar UV radiation in Guilly, France

Guilly 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 Guilly UV Index data.

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