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Monthly climate in Bonnelles, Île-de-France, France

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Bonnelles features a oceanic climate (Cfb).Temperatures typically range between 4 °C (40 °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 40 °C (105 °F).The average annual precipitation amounts to about 741 mm (29.2 inches) and receives 131 rainy days on the 1 mm (0.04 inches) threshold annually.Bonnelles enjoys an average of 3520 hours of sunshine throughout the year, and daylight varies from 8 hours 21 minutes to 16 hours 2 minutes per day.

Monthly average temperatures in Bonnelles, Île-de-France, France §

The warmest months in Bonnelles are June, July and August, with daily mean temperatures ranging from 18 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 4 to 6 °C (40 - 43 °F) throughout the day. On average each year, Bonnelles experiences 44 days above 25 °C (77.0 °F) and 30 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Bonnelles, Île-de-France, 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)		 20°C
(69°F)		 24°C
(75°F)		 27°C
(81°F)		 30°C
(86°F)		 35°C
(96°F)		 40°C
(105°F)		 37°C
(98°F)		 34°C
(94°F)		 26°C
(79°F)		 19°C
(66°F)		 15°C
(59°F)
Mean maximum 13°C
(56°F)		 16°C
(61°F)		 21°C
(69°F)		 24°C
(76°F)		 27°C
(80°F)		 31°C
(87°F)		 34°C
(94°F)		 33°C
(92°F)		 30°C
(85°F)		 24°C
(75°F)		 17°C
(63°F)		 15°C
(59°F)
Average high 7°C
(45°F)		 10°C
(50°F)		 12°C
(55°F)		 16°C
(61°F)		 19°C
(66°F)		 23°C
(74°F)		 26°C
(78°F)		 25°C
(78°F)		 22°C
(72°F)		 17°C
(62°F)		 11°C
(52°F)		 8°C
(47°F)
Daily mean 4°C
(40°F)		 6°C
(43°F)		 8°C
(47°F)		 11°C
(52°F)		 14°C
(58°F)		 18°C
(66°F)		 20°C
(69°F)		 20°C
(68°F)		 17°C
(62°F)		 13°C
(55°F)		 8°C
(46°F)		 6°C
(43°F)
Average low 2°C
(36°F)		 3°C
(37°F)		 4°C
(39°F)		 5°C
(42°F)		 9°C
(48°F)		 13°C
(56°F)		 15°C
(59°F)		 14°C
(58°F)		 12°C
(53°F)		 9°C
(49°F)		 5°C
(41°F)		 4°C
(39°F)
Mean minimum -4°C
(25°F)		 -4°C
(25°F)		 -3°C
(28°F)		 -1°C
(30°F)		 2°C
(36°F)		 8°C
(46°F)		 10°C
(51°F)		 9°C
(48°F)		 6°C
(43°F)		 2°C
(35°F)		 -2°C
(29°F)		 -3°C
(27°F)
Minimum -8°C
(17°F)		 -11°C
(13°F)		 -9°C
(16°F)		 -3°C
(26°F)		 -0°C
(32°F)		 6°C
(43°F)		 8°C
(46°F)		 6°C
(44°F)		 4°C
(40°F)		 1°C
(34°F)		 -4°C
(25°F)		 -4°C
(25°F)

Compare climate in Bonnelles with other places

Compare temperature, precipitation, sunshine, UV index in Bonnelles, Île-de-France, France with other places around the world.

Monthly average precipitation in Bonnelles, Île-de-France, France §

Bonnelles usually has the most precipitation in May, June and December, with an average of 13 rainy days and 80 mm (3.2 inches) of precipitation per month.The driest months in Bonnelles are April, July and September. On average, 40 mm (1.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Bonnelles, Île-de-France, 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) 53 (2.1) 62 (2.4) 70 (2.8) 31 (1.2) 73 (2.9) 74 (2.9) 43 (1.7) 57 (2.3) 46 (1.8) 73 (2.9) 65 (2.5) 94 (3.7)
Average precipitation days (≥ 1 mm) 10 13 14 6 13 11 7 9 8 11 12 17

Monthly sunshine hours in Bonnelles, Île-de-France, France §

The sunniest months in Bonnelles are May, June and July, when the sun shines an average of 13 hours 10 minutes a day.Least sunny months in Bonnelles: January, February and December receive an average of 5 hours 30 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Bonnelles, Île-de-France, 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 130 205 270 354 391 408 411 385 323 266 206 165
Mean daily daylight hours 8h 48m 10h 11m 11h 55m 13h 42m 15h 14m 16h 2m 15h 36m 14h 14m 12h 31m 10h 45m 9h 11m 8h 21m

Solar UV radiation in Bonnelles, Île-de-France, France §

Bonnelles 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 Bonnelles UV Index data.

Average daily maximum UV levels by month for Bonnelles, Île-de-France, 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 1