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Monthly climate in Saint-Germain-l'Herm, France

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Saint-Germain-l'Herm features a oceanic climate (Cfb). Temperatures typically range between 2 °C (35 °F) and 19 °C (67 °F) through the year, but rarely can drop to -15 °C (6 °F) or can rise to as high as 37 °C (99 °F). The average annual precipitation amounts to about 902 mm (35.5 inches) and receives 152 rainy days on the 1 mm (0.04 inches) threshold annually. Saint-Germain-l'Herm enjoys an average of 3529 hours of sunshine throughout the year, and daylight varies from 8 hours 45 minutes to 15 hours 36 minutes per day.

Monthly average temperatures in Saint-Germain-l'Herm, France

The warmest months in Saint-Germain-l'Herm are June, July and August, with daily mean temperatures ranging from 17 to 19 °C (64 - 67 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 2 to 4 °C (35 - 40 °F) throughout the day. On average each year, Saint-Germain-l'Herm experiences 47 days above 25 °C (77.0 °F) and 73 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Saint-Germain-l'Herm. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum15°C
(59°F)		20°C
(68°F)		23°C
(73°F)		26°C
(78°F)		31°C
(87°F)		37°C
(99°F)		37°C
(98°F)		36°C
(98°F)		31°C
(89°F)		26°C
(78°F)		20°C
(69°F)		14°C
(57°F)
Mean maximum12°C
(53°F)		17°C
(62°F)		20°C
(68°F)		23°C
(74°F)		26°C
(80°F)		30°C
(86°F)		33°C
(92°F)		34°C
(93°F)		29°C
(85°F)		23°C
(74°F)		17°C
(63°F)		13°C
(56°F)
Average high5°C
(41°F)		9°C
(49°F)		12°C
(53°F)		15°C
(59°F)		18°C
(65°F)		23°C
(73°F)		25°C
(78°F)		26°C
(78°F)		22°C
(71°F)		16°C
(61°F)		10°C
(50°F)		7°C
(44°F)
Daily mean2°C
(35°F)		4°C
(40°F)		6°C
(43°F)		9°C
(49°F)		13°C
(55°F)		17°C
(64°F)		19°C
(67°F)		19°C
(67°F)		15°C
(60°F)		11°C
(52°F)		6°C
(42°F)		4°C
(39°F)
Average low-1°C
(30°F)		0°C
(33°F)		1°C
(35°F)		3°C
(38°F)		7°C
(45°F)		11°C
(53°F)		13°C
(56°F)		13°C
(55°F)		9°C
(49°F)		6°C
(44°F)		2°C
(37°F)		1°C
(34°F)
Mean minimum-6°C
(21°F)		-6°C
(21°F)		-5°C
(23°F)		-4°C
(25°F)		1°C
(34°F)		6°C
(43°F)		9°C
(48°F)		6°C
(44°F)		3°C
(37°F)		-1°C
(31°F)		-3°C
(27°F)		-5°C
(24°F)
Minimum-11°C
(12°F)		-13°C
(9°F)		-15°C
(6°F)		-6°C
(22°F)		-2°C
(29°F)		3°C
(38°F)		7°C
(45°F)		5°C
(42°F)		1°C
(35°F)		-3°C
(27°F)		-4°C
(25°F)		-5°C
(23°F)

Compare climate in Saint-Germain-l'Herm with other places

Compare temperature, precipitation, sunshine, UV index in Saint-Germain-l'Herm, France with other places around the world.

Monthly average precipitation in Saint-Germain-l'Herm, France

Saint-Germain-l'Herm usually has the most precipitation in May, June and December, with an average of 15 rainy days and 103 mm (4.1 inches) of precipitation per month. The driest months in Saint-Germain-l'Herm are February, April and September. On average, 58 mm (2.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Saint-Germain-l'Herm. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)67 (2.6)53 (2.1)69 (2.7)65 (2.6)98 (3.9)108 (4.3)67 (2.6)67 (2.6)56 (2.2)70 (2.8)78 (3.1)103 (4.1)
Average precipitation days (≥ 1 mm)13111511151411109111418

Monthly sunshine hours in Saint-Germain-l'Herm, France

The sunniest months in Saint-Germain-l'Herm are June, July and August, when the sun shines an average of 13 hours 13 minutes a day. Least sunny months in Saint-Germain-l'Herm: January, November and December receive an average of 5 hours 44 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Saint-Germain-l'Herm. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours138218282339364406417393322256210178
Mean daily daylight hours9h 8m10h 22m11h 56m13h 32m14h 54m15h 36m15h 14m14h 1m12h 29m10h 53m9h 29m8h 45m

Solar UV radiation in Saint-Germain-l'Herm, France

Saint-Germain-l'Herm 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, February 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 Saint-Germain-l'Herm UV Index data.

Average daily maximum UV levels by month for Saint-Germain-l'Herm. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)23678101097532