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Monthly climate in Romilly-sur-Seine, Grand Est, France

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Romilly-sur-Seine features a oceanic climate (Cfb).Temperatures typically range between 4 °C (39 °F) and 21 °C (70 °F) through the year, but rarely can drop to -10 °C (14 °F) or can rise to as high as 41 °C (107 °F).The average annual precipitation amounts to about 786 mm (30.9 inches) and receives 131 rainy days on the 1 mm (0.04 inches) threshold annually.Romilly-sur-Seine enjoys an average of 3471 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 Romilly-sur-Seine, Grand Est, France §

The warmest months in Romilly-sur-Seine are June, July and August, with daily mean temperatures ranging from 19 to 21 °C (67 - 70 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 4 to 6 °C (39 - 43 °F) throughout the day. On average each year, Romilly-sur-Seine experiences 53 days above 25 °C (77.0 °F) and 34 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Romilly-sur-Seine, 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 15°C
(59°F)		 21°C
(69°F)		 24°C
(76°F)		 28°C
(82°F)		 32°C
(90°F)		 36°C
(97°F)		 41°C
(107°F)		 38°C
(100°F)		 34°C
(94°F)		 27°C
(80°F)		 21°C
(70°F)		 17°C
(62°F)
Mean maximum 13°C
(55°F)		 17°C
(62°F)		 21°C
(70°F)		 25°C
(77°F)		 28°C
(82°F)		 31°C
(89°F)		 35°C
(94°F)		 35°C
(95°F)		 31°C
(88°F)		 24°C
(76°F)		 18°C
(65°F)		 15°C
(59°F)
Average high 7°C
(44°F)		 10°C
(50°F)		 13°C
(55°F)		 16°C
(62°F)		 20°C
(68°F)		 24°C
(76°F)		 26°C
(80°F)		 26°C
(79°F)		 23°C
(73°F)		 17°C
(62°F)		 11°C
(51°F)		 8°C
(47°F)
Daily mean 4°C
(39°F)		 6°C
(43°F)		 8°C
(47°F)		 11°C
(52°F)		 15°C
(58°F)		 19°C
(67°F)		 21°C
(70°F)		 21°C
(69°F)		 17°C
(63°F)		 13°C
(55°F)		 7°C
(45°F)		 6°C
(43°F)
Average low 1°C
(35°F)		 3°C
(37°F)		 4°C
(39°F)		 5°C
(42°F)		 9°C
(49°F)		 14°C
(57°F)		 15°C
(60°F)		 15°C
(59°F)		 12°C
(53°F)		 9°C
(48°F)		 4°C
(40°F)		 3°C
(38°F)
Mean minimum -4°C
(25°F)		 -4°C
(25°F)		 -3°C
(27°F)		 -1°C
(30°F)		 3°C
(37°F)		 8°C
(47°F)		 11°C
(52°F)		 10°C
(49°F)		 6°C
(43°F)		 2°C
(36°F)		 -2°C
(29°F)		 -4°C
(26°F)
Minimum -8°C
(18°F)		 -8°C
(19°F)		 -10°C
(14°F)		 -4°C
(26°F)		 1°C
(34°F)		 7°C
(45°F)		 8°C
(47°F)		 7°C
(44°F)		 4°C
(40°F)		 1°C
(34°F)		 -4°C
(25°F)		 -4°C
(24°F)

Compare climate in Romilly-sur-Seine with other places

Compare temperature, precipitation, sunshine, UV index in Romilly-sur-Seine, Grand Est, France with other places around the world.

Monthly average precipitation in Romilly-sur-Seine, Grand Est, France §

Romilly-sur-Seine usually has the most precipitation in January, October and December, with an average of 13 rainy days and 87 mm (3.4 inches) of precipitation per month.The driest months in Romilly-sur-Seine are April, August and September. On average, 43 mm (1.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Romilly-sur-Seine, 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) 73 (2.9) 66 (2.6) 70 (2.8) 32 (1.2) 70 (2.7) 67 (2.6) 54 (2.1) 48 (1.9) 50 (2.0) 78 (3.1) 68 (2.7) 109 (4.3)
Average precipitation days (≥ 1 mm) 12 12 13 7 12 11 8 8 7 12 12 17

Monthly sunshine hours in Romilly-sur-Seine, Grand Est, France §

The sunniest months in Romilly-sur-Seine are May, June and July, when the sun shines an average of 13 hours 6 minutes a day.Least sunny months in Romilly-sur-Seine: January, November and December receive an average of 5 hours 7 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Romilly-sur-Seine, 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 118 201 263 352 390 406 409 388 326 262 201 151
Mean daily daylight hours 8h 47m 10h 11m 11h 55m 13h 42m 15h 14m 16h 2m 15h 37m 14h 14m 12h 31m 10h 45m 9h 11m 8h 21m

Solar UV radiation in Romilly-sur-Seine, Grand Est, France §

Romilly-sur-Seine 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 Romilly-sur-Seine UV Index data.

Average daily maximum UV levels by month for Romilly-sur-Seine, 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 5 6 8 9 9 8 6 4 2 1