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Monthly climate in Les Islettes, Grand Est, France

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Les Islettes features a oceanic climate (Cfb).Temperatures typically range between 3 °C (38 °F) and 20 °C (69 °F) through the year, but rarely can drop to -11 °C (13 °F) or can rise to as high as 41 °C (106 °F).The average annual precipitation amounts to about 982 mm (38.6 inches) and receives 141 rainy days on the 1 mm (0.04 inches) threshold annually.Les Islettes enjoys an average of 3360 hours of sunshine throughout the year, and daylight varies from 8 hours 16 minutes to 16 hours 7 minutes per day.

Monthly average temperatures in Les Islettes, Grand Est, France §

The warmest months in Les Islettes are June, July and August, with daily mean temperatures ranging from 19 to 20 °C (66 - 69 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 3 to 5 °C (38 - 42 °F) throughout the day. On average each year, Les Islettes experiences 45 days above 25 °C (77.0 °F) and 39 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Les Islettes, Grand Est, 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
(57°F)		 20°C
(68°F)		 24°C
(75°F)		 27°C
(81°F)		 32°C
(90°F)		 35°C
(95°F)		 41°C
(106°F)		 38°C
(100°F)		 34°C
(93°F)		 26°C
(79°F)		 20°C
(69°F)		 16°C
(61°F)
Mean maximum 12°C
(54°F)		 15°C
(60°F)		 20°C
(68°F)		 24°C
(75°F)		 28°C
(82°F)		 30°C
(86°F)		 33°C
(92°F)		 34°C
(93°F)		 30°C
(86°F)		 23°C
(74°F)		 17°C
(63°F)		 14°C
(57°F)
Average high 5°C
(42°F)		 8°C
(47°F)		 11°C
(53°F)		 16°C
(60°F)		 19°C
(66°F)		 24°C
(75°F)		 25°C
(78°F)		 25°C
(77°F)		 21°C
(71°F)		 16°C
(61°F)		 10°C
(49°F)		 7°C
(45°F)
Daily mean 3°C
(38°F)		 5°C
(42°F)		 7°C
(45°F)		 11°C
(51°F)		 14°C
(57°F)		 19°C
(66°F)		 20°C
(69°F)		 20°C
(68°F)		 16°C
(61°F)		 12°C
(54°F)		 7°C
(44°F)		 5°C
(41°F)
Average low 1°C
(34°F)		 2°C
(36°F)		 3°C
(38°F)		 5°C
(42°F)		 9°C
(48°F)		 14°C
(57°F)		 15°C
(59°F)		 15°C
(59°F)		 11°C
(53°F)		 9°C
(48°F)		 4°C
(39°F)		 3°C
(37°F)
Mean minimum -4°C
(24°F)		 -4°C
(24°F)		 -3°C
(27°F)		 -1°C
(30°F)		 2°C
(36°F)		 8°C
(47°F)		 10°C
(51°F)		 9°C
(49°F)		 6°C
(43°F)		 2°C
(36°F)		 -2°C
(29°F)		 -4°C
(25°F)
Minimum -9°C
(17°F)		 -9°C
(17°F)		 -11°C
(13°F)		 -3°C
(27°F)		 1°C
(33°F)		 6°C
(44°F)		 8°C
(48°F)		 6°C
(42°F)		 5°C
(41°F)		 1°C
(34°F)		 -2°C
(28°F)		 -5°C
(24°F)

Compare climate in Les Islettes with other places

Compare temperature, precipitation, sunshine, UV index in Les Islettes, Grand Est, France with other places around the world.

Monthly average precipitation in Les Islettes, Grand Est, France §

Les Islettes usually has the most precipitation in January, March and December, with an average of 15 rainy days and 115 mm (4.5 inches) of precipitation per month.The driest months in Les Islettes are April, July and August. On average, 55 mm (2.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Les Islettes, Grand Est, 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) 98 (3.9) 87 (3.4) 95 (3.7) 37 (1.5) 80 (3.1) 67 (2.6) 65 (2.6) 64 (2.5) 70 (2.8) 87 (3.4) 80 (3.1) 151 (5.9)
Average precipitation days (≥ 1 mm) 13 12 14 6 12 10 8 11 9 13 14 19

Monthly sunshine hours in Les Islettes, Grand Est, France §

The sunniest months in Les Islettes are May, June and July, when the sun shines an average of 13 hours 1 minutes a day.Least sunny months in Les Islettes: January, November and December receive an average of 4 hours 35 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Les Islettes, Grand Est, 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 111 190 253 341 389 406 402 385 318 250 184 126
Mean daily daylight hours 8h 43m 10h 9m 11h 55m 13h 44m 15h 19m 16h 7m 15h 41m 14h 17m 12h 32m 10h 44m 9h 7m 8h 16m

Solar UV radiation in Les Islettes, Grand Est, France §

Les Islettes experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 8 - 8, 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 Les Islettes UV Index data.

Average daily maximum UV levels by month for Les Islettes, Grand Est, 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 4 6 8 8 8 8 6 4 2 1