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Monthly climate in Treflez, Brittany, France

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Treflez features a oceanic climate (Cfb). Temperatures typically range between 7 °C (45 °F) and 17 °C (64 °F) through the year, but rarely can drop to -5 °C (23 °F) or can rise to as high as 32 °C (89 °F). The average annual precipitation amounts to about 923 mm (36.3 inches) and receives 159 rainy days on the 1 mm (0.04 inches) threshold annually. Treflez enjoys an average of 3647 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 Treflez, Brittany, France §

The warmest months in Treflez are June, July and August, with daily mean temperatures ranging from 16 to 17 °C (60 - 64 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 7 to 9 °C (45 - 48 °F) throughout the day. On average each year, Treflez experiences 7 days above 25 °C (77.0 °F) and 3 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Treflez, Brittany, France. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 14°C
(58°F)		 19°C
(67°F)		 21°C
(70°F)		 24°C
(76°F)		 27°C
(81°F)		 32°C
(89°F)		 30°C
(86°F)		 28°C
(83°F)		 30°C
(87°F)		 21°C
(71°F)		 17°C
(63°F)		 14°C
(58°F)
Mean maximum 13°C
(56°F)		 15°C
(58°F)		 17°C
(64°F)		 23°C
(73°F)		 23°C
(74°F)		 26°C
(80°F)		 29°C
(84°F)		 26°C
(80°F)		 25°C
(78°F)		 19°C
(67°F)		 16°C
(61°F)		 14°C
(57°F)
Average high 10°C
(49°F)		 10°C
(51°F)		 12°C
(53°F)		 14°C
(58°F)		 17°C
(62°F)		 19°C
(67°F)		 21°C
(70°F)		 20°C
(69°F)		 19°C
(66°F)		 16°C
(60°F)		 12°C
(54°F)		 11°C
(51°F)
Daily mean 7°C
(45°F)		 8°C
(47°F)		 9°C
(48°F)		 10°C
(51°F)		 13°C
(55°F)		 16°C
(60°F)		 17°C
(64°F)		 17°C
(62°F)		 15°C
(60°F)		 13°C
(55°F)		 10°C
(50°F)		 9°C
(48°F)
Average low 5°C
(42°F)		 6°C
(42°F)		 6°C
(43°F)		 7°C
(45°F)		 9°C
(49°F)		 12°C
(54°F)		 14°C
(57°F)		 14°C
(57°F)		 12°C
(54°F)		 10°C
(51°F)		 8°C
(46°F)		 7°C
(45°F)
Mean minimum -1°C
(31°F)		 -0°C
(32°F)		 1°C
(34°F)		 2°C
(36°F)		 5°C
(40°F)		 8°C
(47°F)		 11°C
(52°F)		 10°C
(50°F)		 8°C
(46°F)		 5°C
(41°F)		 3°C
(38°F)		 1°C
(35°F)
Minimum -4°C
(25°F)		 -4°C
(26°F)		 -5°C
(23°F)		 0°C
(33°F)		 2°C
(36°F)		 7°C
(44°F)		 10°C
(50°F)		 9°C
(48°F)		 7°C
(44°F)		 2°C
(36°F)		 2°C
(35°F)		 1°C
(33°F)

Compare climate in Treflez with other places

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

Monthly average precipitation in Treflez, Brittany, France §

Treflez usually has the most precipitation in February, October and December, with an average of 16 rainy days and 109 mm (4.3 inches) of precipitation per month. The driest months in Treflez are April, July and September. On average, 49 mm (1.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Treflez, Brittany, France. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 74 (2.9) 92 (3.6) 76 (3.0) 48 (1.9) 67 (2.6) 86 (3.4) 47 (1.8) 58 (2.3) 51 (2.0) 109 (4.3) 88 (3.5) 127 (5.0)
Average precipitation days (≥ 1 mm) 12 15 16 10 12 13 10 12 10 16 15 18

Monthly sunshine hours in Treflez, Brittany, France §

The sunniest months in Treflez are May, June and July, when the sun shines an average of 13 hours 36 minutes a day. Least sunny months in Treflez: January, February and December receive an average of 5 hours 40 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Treflez, Brittany, France. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 134 205 295 357 412 410 429 393 337 273 222 176
Mean daily daylight hours 8h 47m 10h 11m 11h 55m 13h 43m 15h 15m 16h 3m 15h 37m 14h 15m 12h 31m 10h 45m 9h 10m 8h 20m

Solar UV radiation in Treflez, Brittany, France §

Treflez 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 Treflez UV Index data.

Average daily maximum UV levels by month for Treflez, Brittany, France. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 2 3 5 6 8 9 9 8 6 5 2 2

Detailed Monthly Weather Insights for Treflez, Brittany, France

Discover in-depth weather details for every month in Treflez. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Treflez's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.