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Monthly climate in Tredarzec, France

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Tredarzec features a oceanic climate (Cfb). Temperatures typically range between 8 °C (46 °F) and 17 °C (63 °F) through the year, but rarely can drop to -4 °C (25 °F) or can rise to as high as 30 °C (87 °F). The average annual precipitation amounts to about 818 mm (32.2 inches) and receives 147 rainy days on the 1 mm (0.04 inches) threshold annually. Tredarzec enjoys an average of 3615 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 Tredarzec, France

The warmest months in Tredarzec are July, August and September, with daily mean temperatures ranging from 16 to 17 °C (61 - 63 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 8 to 9 °C (46 - 48 °F) throughout the day. On average each year, Tredarzec experiences 3 days above 25 °C (77.0 °F) and 2 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Tredarzec. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum15°C
(59°F)		19°C
(66°F)		22°C
(72°F)		26°C
(79°F)		26°C
(78°F)		27°C
(81°F)		28°C
(83°F)		30°C
(87°F)		28°C
(82°F)		23°C
(74°F)		17°C
(63°F)		15°C
(59°F)
Mean maximum13°C
(57°F)		15°C
(59°F)		17°C
(63°F)		21°C
(70°F)		22°C
(71°F)		24°C
(75°F)		26°C
(79°F)		26°C
(80°F)		25°C
(78°F)		21°C
(70°F)		16°C
(61°F)		14°C
(58°F)
Average high9°C
(49°F)		10°C
(51°F)		11°C
(53°F)		13°C
(56°F)		16°C
(61°F)		18°C
(65°F)		20°C
(69°F)		20°C
(69°F)		19°C
(66°F)		16°C
(61°F)		12°C
(55°F)		11°C
(51°F)
Daily mean8°C
(46°F)		8°C
(47°F)		9°C
(48°F)		10°C
(51°F)		13°C
(55°F)		15°C
(60°F)		17°C
(63°F)		17°C
(63°F)		16°C
(61°F)		13°C
(56°F)		10°C
(51°F)		9°C
(48°F)
Average low6°C
(42°F)		6°C
(43°F)		7°C
(44°F)		7°C
(45°F)		10°C
(50°F)		13°C
(55°F)		14°C
(58°F)		14°C
(58°F)		13°C
(56°F)		11°C
(52°F)		8°C
(47°F)		7°C
(45°F)
Mean minimum1°C
(34°F)		0°C
(33°F)		2°C
(36°F)		3°C
(38°F)		6°C
(42°F)		9°C
(49°F)		12°C
(53°F)		11°C
(51°F)		9°C
(49°F)		7°C
(44°F)		4°C
(40°F)		2°C
(36°F)
Minimum-3°C
(26°F)		-2°C
(28°F)		-4°C
(25°F)		2°C
(36°F)		4°C
(39°F)		8°C
(47°F)		11°C
(52°F)		9°C
(49°F)		8°C
(46°F)		4°C
(40°F)		3°C
(37°F)		1°C
(34°F)

Compare climate in Tredarzec with other places

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

Monthly average precipitation in Tredarzec, France

Tredarzec usually has the most precipitation in June, October and December, with an average of 15 rainy days and 102 mm (4.0 inches) of precipitation per month. The driest months in Tredarzec 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 Tredarzec. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)66 (2.6)75 (3.0)60 (2.4)43 (1.7)64 (2.5)78 (3.1)40 (1.6)41 (1.6)46 (1.8)110 (4.3)77 (3.0)119 (4.7)
Average precipitation days (≥ 1 mm)13151591012889151419

Monthly sunshine hours in Tredarzec, France

The sunniest months in Tredarzec are May, June and July, when the sun shines an average of 13 hours 25 minutes a day. Least sunny months in Tredarzec: January, February and December receive an average of 5 hours 47 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Tredarzec. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours138205288352409397428389333270219183
Mean daily daylight hours8h 46m10h 11m11h 55m13h 43m15h 16m16h 3m15h 38m14h 15m12h 31m10h 45m9h 10m8h 20m

Solar UV radiation in Tredarzec, France

Tredarzec 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 Tredarzec UV Index data.

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