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Monthly climate in Lalleu, Brittany, France

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Lalleu features a oceanic climate (Cfb).Temperatures typically range between 6 °C (43 °F) and 20 °C (68 °F) through the year, but rarely can drop to -7 °C (19 °F) or can rise to as high as 38 °C (101 °F).The average annual precipitation amounts to about 781 mm (30.7 inches) and receives 128 rainy days on the 1 mm (0.04 inches) threshold annually.Lalleu enjoys an average of 3510 hours of sunshine throughout the year, and daylight varies from 8 hours 28 minutes to 15 hours 55 minutes per day.

Monthly average temperatures in Lalleu, Brittany, France §

The warmest months in Lalleu are June, July and August, with daily mean temperatures ranging from 18 to 20 °C (65 - 68 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 6 to 7 °C (43 - 46 °F) throughout the day. On average each year, Lalleu experiences 35 days above 25 °C (77.0 °F) and 20 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Lalleu, 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 16°C
(61°F)		 21°C
(70°F)		 24°C
(75°F)		 26°C
(80°F)		 30°C
(87°F)		 35°C
(96°F)		 38°C
(101°F)		 36°C
(97°F)		 33°C
(92°F)		 25°C
(77°F)		 18°C
(64°F)		 16°C
(61°F)
Mean maximum 14°C
(57°F)		 16°C
(61°F)		 20°C
(69°F)		 24°C
(76°F)		 27°C
(80°F)		 30°C
(86°F)		 33°C
(92°F)		 32°C
(91°F)		 29°C
(84°F)		 22°C
(72°F)		 17°C
(62°F)		 15°C
(59°F)
Average high 9°C
(48°F)		 11°C
(51°F)		 13°C
(56°F)		 16°C
(62°F)		 19°C
(67°F)		 23°C
(73°F)		 25°C
(77°F)		 24°C
(76°F)		 22°C
(72°F)		 17°C
(63°F)		 12°C
(54°F)		 10°C
(50°F)
Daily mean 6°C
(43°F)		 7°C
(45°F)		 9°C
(48°F)		 11°C
(53°F)		 14°C
(58°F)		 18°C
(65°F)		 20°C
(68°F)		 19°C
(66°F)		 17°C
(62°F)		 13°C
(56°F)		 8°C
(48°F)		 7°C
(46°F)
Average low 3°C
(38°F)		 4°C
(39°F)		 5°C
(41°F)		 6°C
(44°F)		 9°C
(49°F)		 13°C
(56°F)		 15°C
(59°F)		 14°C
(58°F)		 12°C
(54°F)		 10°C
(49°F)		 5°C
(42°F)		 5°C
(41°F)
Mean minimum -3°C
(27°F)		 -2°C
(28°F)		 -2°C
(30°F)		 -0°C
(32°F)		 3°C
(38°F)		 8°C
(46°F)		 10°C
(51°F)		 9°C
(49°F)		 6°C
(44°F)		 3°C
(38°F)		 -1°C
(30°F)		 -2°C
(28°F)
Minimum -7°C
(20°F)		 -6°C
(22°F)		 -7°C
(19°F)		 -3°C
(27°F)		 0°C
(33°F)		 6°C
(43°F)		 8°C
(46°F)		 8°C
(46°F)		 5°C
(41°F)		 2°C
(36°F)		 -3°C
(27°F)		 -3°C
(26°F)

Compare climate in Lalleu with other places

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

Monthly average precipitation in Lalleu, Brittany, France §

Lalleu usually has the most precipitation in June, October and December, with an average of 12 rainy days and 92 mm (3.6 inches) of precipitation per month.The driest months in Lalleu are January, July and August. On average, 48 mm (1.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Lalleu, 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) 48 (1.9) 61 (2.4) 62 (2.4) 49 (1.9) 63 (2.5) 95 (3.7) 49 (1.9) 47 (1.9) 52 (2.0) 85 (3.3) 74 (2.9) 98 (3.8)
Average precipitation days (≥ 1 mm) 10 12 12 8 12 11 7 8 9 12 12 15

Monthly sunshine hours in Lalleu, Brittany, France §

The sunniest months in Lalleu are May, June and July, when the sun shines an average of 12 hours 51 minutes a day.Least sunny months in Lalleu: 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 Lalleu, 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 133 198 279 345 388 385 410 384 322 262 214 184
Mean daily daylight hours 8h 53m 10h 14m 11h 56m 13h 40m 15h 9m 15h 55m 15h 30m 14h 11m 12h 31m 10h 47m 9h 16m 8h 28m

Solar UV radiation in Lalleu, Brittany, France §

Lalleu 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 Lalleu UV Index data.

Average daily maximum UV levels by month for Lalleu, 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 4 2 2