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Monthly climate in Bertholene, France

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Bertholene features a oceanic climate (Cfb). Temperatures typically range between 3 °C (37 °F) and 19 °C (67 °F) through the year, but rarely can drop to -11 °C (12 °F) or can rise to as high as 35 °C (96 °F). The average annual precipitation amounts to about 1159 mm (45.6 inches) and receives 140 rainy days on the 1 mm (0.04 inches) threshold annually. Bertholene enjoys an average of 3518 hours of sunshine throughout the year, and daylight varies from 8 hours 51 minutes to 15 hours 29 minutes per day.

Monthly average temperatures in Bertholene, France

The warmest months in Bertholene are June, July and August, with daily mean temperatures ranging from 17 to 19 °C (63 - 67 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 3 to 5 °C (37 - 42 °F) throughout the day. On average each year, Bertholene experiences 42 days above 25 °C (77.0 °F) and 49 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Bertholene. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum17°C
(62°F)		22°C
(71°F)		21°C
(70°F)		24°C
(76°F)		30°C
(86°F)		35°C
(96°F)		35°C
(95°F)		34°C
(94°F)		29°C
(85°F)		23°C
(74°F)		19°C
(67°F)		16°C
(60°F)
Mean maximum12°C
(53°F)		17°C
(62°F)		19°C
(66°F)		22°C
(71°F)		25°C
(78°F)		28°C
(84°F)		32°C
(90°F)		32°C
(90°F)		28°C
(82°F)		22°C
(71°F)		17°C
(62°F)		13°C
(56°F)
Average high6°C
(44°F)		10°C
(49°F)		11°C
(53°F)		15°C
(59°F)		18°C
(64°F)		22°C
(72°F)		25°C
(77°F)		25°C
(78°F)		21°C
(70°F)		16°C
(61°F)		10°C
(51°F)		7°C
(45°F)
Daily mean3°C
(37°F)		5°C
(42°F)		7°C
(44°F)		10°C
(49°F)		13°C
(56°F)		17°C
(63°F)		19°C
(67°F)		19°C
(67°F)		16°C
(60°F)		11°C
(53°F)		7°C
(44°F)		4°C
(40°F)
Average low0°C
(32°F)		2°C
(35°F)		3°C
(37°F)		4°C
(40°F)		8°C
(47°F)		12°C
(54°F)		14°C
(57°F)		14°C
(57°F)		10°C
(51°F)		8°C
(46°F)		4°C
(39°F)		2°C
(36°F)
Mean minimum-5°C
(23°F)		-4°C
(25°F)		-3°C
(27°F)		-2°C
(29°F)		2°C
(35°F)		8°C
(46°F)		9°C
(49°F)		8°C
(46°F)		4°C
(40°F)		1°C
(34°F)		-2°C
(28°F)		-3°C
(26°F)
Minimum-10°C
(14°F)		-11°C
(12°F)		-9°C
(16°F)		-3°C
(26°F)		-1°C
(30°F)		5°C
(42°F)		9°C
(48°F)		7°C
(45°F)		3°C
(38°F)		-1°C
(31°F)		-3°C
(26°F)		-4°C
(25°F)

Compare climate in Bertholene with other places

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

Monthly average precipitation in Bertholene, France

Bertholene usually has the most precipitation in May, June and December, with an average of 14 rainy days and 137 mm (5.4 inches) of precipitation per month. The driest months in Bertholene are July, August and September. On average, 64 mm (2.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Bertholene. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)103 (4.1)77 (3.0)109 (4.3)74 (2.9)119 (4.7)124 (4.9)62 (2.4)66 (2.6)65 (2.5)89 (3.5)104 (4.1)167 (6.6)
Average precipitation days (≥ 1 mm)121015101512979111317

Monthly sunshine hours in Bertholene, France

The sunniest months in Bertholene are June, July and August, when the sun shines an average of 13 hours 9 minutes a day. Least sunny months in Bertholene: January, February and December receive an average of 5 hours 52 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Bertholene. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours152213274334360400415394323264216168
Mean daily daylight hours9h 14m10h 26m11h 56m13h 30m14h 49m15h 29m15h 8m13h 57m12h 28m10h 55m9h 34m8h 51m

Solar UV radiation in Bertholene, France

Bertholene 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 Bertholene UV Index data.

Average daily maximum UV levels by month for Bertholene. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)24679101097532