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Monthly climate in Gien, France

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Gien features a oceanic climate (Cfb). Temperatures typically range between 4 °C (40 °F) and 21 °C (70 °F) through the year, but rarely can drop to -11 °C (13 °F) or can rise to as high as 41 °C (107 °F). The average annual precipitation amounts to about 789 mm (31.0 inches) and receives 130 rainy days on the 1 mm (0.04 inches) threshold annually. Gien enjoys an average of 3433 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 Gien, France

The warmest months in Gien are June, July and August, with daily mean temperatures ranging from 19 to 21 °C (67 - 70 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 4 to 6 °C (40 - 44 °F) throughout the day. On average each year, Gien experiences 56 days above 25 °C (77.0 °F) and 33 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Gien. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum15°C
(60°F)		22°C
(71°F)		25°C
(76°F)		28°C
(83°F)		31°C
(89°F)		37°C
(99°F)		41°C
(107°F)		37°C
(99°F)		36°C
(96°F)		28°C
(82°F)		21°C
(70°F)		16°C
(61°F)
Mean maximum13°C
(56°F)		17°C
(63°F)		22°C
(71°F)		25°C
(77°F)		28°C
(82°F)		32°C
(90°F)		35°C
(95°F)		35°C
(95°F)		31°C
(88°F)		25°C
(77°F)		19°C
(66°F)		15°C
(59°F)
Average high7°C
(45°F)		10°C
(50°F)		13°C
(56°F)		17°C
(62°F)		20°C
(68°F)		24°C
(76°F)		26°C
(80°F)		26°C
(79°F)		23°C
(74°F)		17°C
(63°F)		11°C
(52°F)		8°C
(47°F)
Daily mean4°C
(40°F)		6°C
(44°F)		8°C
(47°F)		11°C
(53°F)		15°C
(59°F)		19°C
(67°F)		21°C
(70°F)		21°C
(69°F)		17°C
(63°F)		13°C
(55°F)		8°C
(46°F)		6°C
(43°F)
Average low2°C
(35°F)		3°C
(37°F)		4°C
(40°F)		6°C
(43°F)		9°C
(49°F)		14°C
(57°F)		15°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-4°C
(26°F)		-4°C
(25°F)		-3°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
(36°F)		-2°C
(29°F)		-3°C
(27°F)
Minimum-8°C
(18°F)		-8°C
(19°F)		-11°C
(13°F)		-4°C
(25°F)		0°C
(33°F)		7°C
(45°F)		8°C
(47°F)		7°C
(45°F)		4°C
(40°F)		1°C
(35°F)		-4°C
(26°F)		-4°C
(26°F)

Compare climate in Gien with other places

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

Monthly average precipitation in Gien, France

Gien usually has the most precipitation in May, October and December, with an average of 14 rainy days and 88 mm (3.5 inches) of precipitation per month. The driest months in Gien 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 Gien. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)72 (2.8)64 (2.5)75 (2.9)36 (1.4)82 (3.2)64 (2.5)46 (1.8)42 (1.7)61 (2.4)77 (3.0)65 (2.6)105 (4.1)
Average precipitation days (≥ 1 mm)12121361211787131118

Monthly sunshine hours in Gien, France

The sunniest months in Gien are May, June and July, when the sun shines an average of 12 hours 53 minutes a day. Least sunny months in Gien: January, November and December receive an average of 5 hours 8 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Gien. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours120201264347378397409377324259197154
Mean daily daylight hours8h 52m10h 14m11h 55m13h 40m15h 10m15h 56m15h 31m14h 11m12h 31m10h 47m9h 15m8h 26m

Solar UV radiation in Gien, France

Gien 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 Gien UV Index data.

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