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Monthly climate in Treveneuc, France

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Treveneuc features a oceanic climate (Cfb). Temperatures typically range between 8 °C (47 °F) and 18 °C (64 °F) through the year, but rarely can drop to -1 °C (30 °F) or can rise to as high as 24 °C (76 °F). The average annual precipitation amounts to about 970 mm (38.2 inches) and receives 159 rainy days on the 1 mm (0.04 inches) threshold annually. Treveneuc enjoys an average of 3608 hours of sunshine throughout the year, and daylight varies from 8 hours 20 minutes to 16 hours 3 minutes per day.

Monthly average temperatures in Treveneuc, France

The warmest months in Treveneuc are July, August and September, with daily mean temperatures ranging from 17 to 18 °C (63 - 64 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 8 to 9 °C (47 - 49 °F) throughout the day. On average each year, Treveneuc experiences 0 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Treveneuc. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum14°C
(58°F)		14°C
(57°F)		15°C
(59°F)		17°C
(63°F)		20°C
(68°F)		21°C
(71°F)		24°C
(75°F)		24°C
(76°F)		24°C
(75°F)		21°C
(71°F)		17°C
(63°F)		14°C
(58°F)
Mean maximum13°C
(55°F)		13°C
(55°F)		13°C
(56°F)		16°C
(60°F)		18°C
(64°F)		19°C
(67°F)		22°C
(71°F)		22°C
(72°F)		22°C
(73°F)		20°C
(68°F)		16°C
(61°F)		14°C
(57°F)
Average high10°C
(49°F)		10°C
(50°F)		10°C
(51°F)		11°C
(53°F)		14°C
(57°F)		16°C
(62°F)		18°C
(65°F)		19°C
(66°F)		18°C
(65°F)		16°C
(61°F)		13°C
(55°F)		11°C
(52°F)
Daily mean8°C
(47°F)		8°C
(48°F)		9°C
(49°F)		10°C
(51°F)		12°C
(55°F)		15°C
(59°F)		17°C
(63°F)		18°C
(64°F)		17°C
(63°F)		15°C
(59°F)		12°C
(53°F)		10°C
(50°F)
Average low7°C
(45°F)		7°C
(45°F)		8°C
(47°F)		9°C
(49°F)		11°C
(53°F)		14°C
(58°F)		16°C
(62°F)		17°C
(62°F)		16°C
(61°F)		13°C
(57°F)		10°C
(51°F)		9°C
(48°F)
Mean minimum4°C
(39°F)		2°C
(37°F)		4°C
(40°F)		6°C
(43°F)		8°C
(48°F)		12°C
(54°F)		14°C
(58°F)		14°C
(58°F)		13°C
(56°F)		10°C
(51°F)		7°C
(45°F)		4°C
(40°F)
Minimum1°C
(34°F)		-0°C
(32°F)		-1°C
(30°F)		5°C
(41°F)		7°C
(46°F)		11°C
(52°F)		14°C
(57°F)		14°C
(57°F)		12°C
(53°F)		8°C
(46°F)		5°C
(42°F)		3°C
(38°F)

Compare climate in Treveneuc with other places

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

Monthly average precipitation in Treveneuc, France

Treveneuc usually has the most precipitation in October, November and December, with an average of 18 rainy days and 130 mm (5.1 inches) of precipitation per month. The driest months in Treveneuc are April, July and August. On average, 44 mm (1.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Treveneuc. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)82 (3.2)87 (3.4)64 (2.5)39 (1.5)64 (2.5)82 (3.2)44 (1.7)50 (2.0)70 (2.7)144 (5.6)102 (4.0)143 (5.6)
Average precipitation days (≥ 1 mm)1415158111191111171720

Monthly sunshine hours in Treveneuc, France

The sunniest months in Treveneuc are May, June and July, when the sun shines an average of 13 hours 22 minutes a day. Least sunny months in Treveneuc: January, February and December receive an average of 5 hours 49 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Treveneuc. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours140205286351407394427387332270219184
Mean daily daylight hours8h 46m10h 11m11h 55m13h 43m15h 16m16h 3m15h 38m14h 15m12h 31m10h 45m9h 10m8h 20m

Solar UV radiation in Treveneuc, France

Treveneuc 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 Treveneuc UV Index data.

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