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Monthly climate in Jouy-en-Josas, Île-de-France, France

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Jouy-en-Josas 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 -9 °C (17 °F) or can rise to as high as 41 °C (106 °F).The average annual precipitation amounts to about 786 mm (31.0 inches) and receives 136 rainy days on the 1 mm (0.04 inches) threshold annually.Jouy-en-Josas enjoys an average of 3484 hours of sunshine throughout the year, and daylight varies from 8 hours 18 minutes to 16 hours 5 minutes per day.

Monthly average temperatures in Jouy-en-Josas, Île-de-France, France §

The warmest months in Jouy-en-Josas 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 4 to 6 °C (40 - 43 °F) throughout the day. On average each year, Jouy-en-Josas experiences 44 days above 25 °C (77.0 °F) and 29 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Jouy-en-Josas, 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
(68°F)		 24°C
(75°F)		 28°C
(82°F)		 30°C
(86°F)		 36°C
(97°F)		 41°C
(106°F)		 37°C
(99°F)		 34°C
(93°F)		 26°C
(79°F)		 19°C
(67°F)		 15°C
(60°F)
Mean maximum 13°C
(56°F)		 16°C
(61°F)		 21°C
(69°F)		 24°C
(76°F)		 27°C
(81°F)		 31°C
(88°F)		 34°C
(93°F)		 33°C
(92°F)		 29°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
(67°F)		 24°C
(75°F)		 26°C
(78°F)		 25°C
(77°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)		 19°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
(40°F)		 6°C
(42°F)		 9°C
(49°F)		 13°C
(57°F)		 15°C
(59°F)		 15°C
(59°F)		 12°C
(53°F)		 9°C
(49°F)		 5°C
(41°F)		 4°C
(39°F)
Mean minimum -4°C
(26°F)		 -4°C
(26°F)		 -2°C
(28°F)		 -1°C
(31°F)		 3°C
(37°F)		 8°C
(47°F)		 11°C
(52°F)		 9°C
(49°F)		 6°C
(43°F)		 3°C
(37°F)		 -1°C
(30°F)		 -3°C
(28°F)
Minimum -8°C
(18°F)		 -8°C
(17°F)		 -9°C
(17°F)		 -3°C
(27°F)		 0°C
(33°F)		 7°C
(44°F)		 8°C
(46°F)		 7°C
(44°F)		 4°C
(40°F)		 2°C
(35°F)		 -4°C
(26°F)		 -4°C
(26°F)

Compare climate in Jouy-en-Josas with other places

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

Monthly average precipitation in Jouy-en-Josas, Île-de-France, France §

Jouy-en-Josas usually has the most precipitation in May, October and December, with an average of 14 rainy days and 86 mm (3.4 inches) of precipitation per month.The driest months in Jouy-en-Josas are April, July and September. On average, 44 mm (1.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Jouy-en-Josas, 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) 57 (2.2) 67 (2.6) 74 (2.9) 33 (1.3) 75 (3.0) 74 (2.9) 51 (2.0) 60 (2.3) 49 (1.9) 79 (3.1) 65 (2.6) 102 (4.0)
Average precipitation days (≥ 1 mm) 10 13 14 6 13 12 8 10 8 13 12 17

Monthly sunshine hours in Jouy-en-Josas, Île-de-France, France §

The sunniest months in Jouy-en-Josas are May, June and July, when the sun shines an average of 13 hours 3 minutes a day.Least sunny months in Jouy-en-Josas: January, November and December receive an average of 5 hours 17 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Jouy-en-Josas, 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 126 201 266 355 387 406 406 385 322 266 201 157
Mean daily daylight hours 8h 45m 10h 10m 11h 55m 13h 43m 15h 17m 16h 5m 15h 39m 14h 16m 12h 32m 10h 44m 9h 9m 8h 18m

Solar UV radiation in Jouy-en-Josas, Île-de-France, France §

Jouy-en-Josas experiences the highest level of ultraviolet (UV) radiation in May, June 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 Jouy-en-Josas UV Index data.

Average daily maximum UV levels by month for Jouy-en-Josas, 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 8 8 6 4 2 1