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Monthly climate in Trelissac, France

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Trelissac features a oceanic climate (Cfb). Temperatures typically range between 5 °C (41 °F) and 22 °C (71 °F) through the year, but rarely can drop to -7 °C (19 °F) or can rise to as high as 40 °C (104 °F). The average annual precipitation amounts to about 977 mm (38.5 inches) and receives 137 rainy days on the 1 mm (0.04 inches) threshold annually. Trelissac enjoys an average of 3592 hours of sunshine throughout the year, and daylight varies from 8 hours 47 minutes to 15 hours 33 minutes per day.

Monthly average temperatures in Trelissac, France

The warmest months in Trelissac are June, July and August, with daily mean temperatures ranging from 20 to 22 °C (68 - 71 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 5 to 8 °C (41 - 46 °F) throughout the day. On average each year, Trelissac experiences 66 days above 25 °C (77.0 °F) and 26 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Trelissac. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum17°C
(63°F)		25°C
(77°F)		25°C
(77°F)		27°C
(82°F)		31°C
(89°F)		38°C
(100°F)		40°C
(104°F)		39°C
(102°F)		34°C
(93°F)		28°C
(82°F)		21°C
(70°F)		16°C
(61°F)
Mean maximum14°C
(58°F)		19°C
(66°F)		22°C
(72°F)		25°C
(78°F)		28°C
(83°F)		32°C
(90°F)		36°C
(97°F)		35°C
(96°F)		31°C
(89°F)		26°C
(79°F)		20°C
(68°F)		15°C
(60°F)
Average high9°C
(48°F)		12°C
(54°F)		14°C
(58°F)		18°C
(65°F)		21°C
(70°F)		25°C
(77°F)		27°C
(81°F)		27°C
(81°F)		24°C
(76°F)		19°C
(66°F)		13°C
(56°F)		10°C
(50°F)
Daily mean5°C
(41°F)		8°C
(46°F)		10°C
(49°F)		13°C
(55°F)		16°C
(60°F)		20°C
(68°F)		22°C
(71°F)		21°C
(70°F)		18°C
(65°F)		14°C
(57°F)		9°C
(48°F)		7°C
(44°F)
Average low2°C
(36°F)		4°C
(39°F)		5°C
(41°F)		7°C
(45°F)		10°C
(51°F)		14°C
(58°F)		16°C
(61°F)		15°C
(60°F)		13°C
(55°F)		10°C
(50°F)		5°C
(42°F)		4°C
(39°F)
Mean minimum-4°C
(25°F)		-3°C
(27°F)		-1°C
(30°F)		0°C
(32°F)		4°C
(39°F)		9°C
(49°F)		12°C
(53°F)		10°C
(50°F)		6°C
(43°F)		4°C
(39°F)		-2°C
(29°F)		-3°C
(28°F)
Minimum-7°C
(19°F)		-7°C
(20°F)		-6°C
(21°F)		-2°C
(28°F)		1°C
(34°F)		7°C
(44°F)		9°C
(49°F)		9°C
(48°F)		5°C
(41°F)		2°C
(35°F)		-3°C
(27°F)		-5°C
(23°F)

Compare climate in Trelissac with other places

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

Monthly average precipitation in Trelissac, France

Trelissac usually has the most precipitation in May, June and December, with an average of 14 rainy days and 112 mm (4.4 inches) of precipitation per month. The driest months in Trelissac are April, July and August. On average, 58 mm (2.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Trelissac. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)71 (2.8)81 (3.2)88 (3.4)64 (2.5)107 (4.2)93 (3.7)56 (2.2)54 (2.1)66 (2.6)83 (3.3)79 (3.1)135 (5.3)
Average precipitation days (≥ 1 mm)101214101512898111216

Monthly sunshine hours in Trelissac, France

The sunniest months in Trelissac are June, July and August, when the sun shines an average of 13 hours 7 minutes a day. Least sunny months in Trelissac: January, February and December receive an average of 6 hours 5 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Trelissac. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours151219278343376398413394331277223183
Mean daily daylight hours9h 10m10h 24m11h 56m13h 31m14h 52m15h 33m15h 11m13h 59m12h 28m10h 54m9h 31m8h 47m

Solar UV radiation in Trelissac, France

Trelissac 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 Trelissac UV Index data.

Average daily maximum UV levels by month for Trelissac. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)2367810996532