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Monthly climate in Janze, Brittany, France

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Janze features a oceanic climate (Cfb).Temperatures typically range between 6 °C (43 °F) and 19 °C (67 °F) through the year, but rarely can drop to -7 °C (19 °F) or can rise to as high as 37 °C (100 °F).The average annual precipitation amounts to about 817 mm (32.1 inches) and receives 132 rainy days on the 1 mm (0.04 inches) threshold annually.Janze enjoys an average of 3536 hours of sunshine throughout the year, and daylight varies from 8 hours 25 minutes to 15 hours 57 minutes per day.

Monthly average temperatures in Janze, Brittany, France §

The warmest months in Janze are June, July and August, with daily mean temperatures ranging from 18 to 19 °C (64 - 67 °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 - 45 °F) throughout the day. On average each year, Janze experiences 32 days above 25 °C (77.0 °F) and 21 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Janze, 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 15°C
(60°F)		 21°C
(69°F)		 24°C
(75°F)		 26°C
(80°F)		 30°C
(86°F)		 34°C
(94°F)		 37°C
(100°F)		 35°C
(96°F)		 32°C
(91°F)		 24°C
(76°F)		 17°C
(63°F)		 15°C
(60°F)
Mean maximum 13°C
(57°F)		 16°C
(60°F)		 20°C
(68°F)		 24°C
(76°F)		 26°C
(79°F)		 30°C
(85°F)		 32°C
(91°F)		 32°C
(90°F)		 28°C
(83°F)		 22°C
(71°F)		 16°C
(62°F)		 14°C
(58°F)
Average high 9°C
(48°F)		 10°C
(51°F)		 13°C
(55°F)		 16°C
(61°F)		 19°C
(66°F)		 22°C
(72°F)		 24°C
(76°F)		 24°C
(75°F)		 21°C
(71°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
(52°F)		 14°C
(58°F)		 18°C
(64°F)		 19°C
(67°F)		 19°C
(66°F)		 16°C
(62°F)		 13°C
(55°F)		 8°C
(47°F)		 7°C
(45°F)
Average low 3°C
(38°F)		 4°C
(39°F)		 5°C
(41°F)		 6°C
(43°F)		 9°C
(49°F)		 13°C
(55°F)		 14°C
(58°F)		 14°C
(57°F)		 12°C
(53°F)		 9°C
(49°F)		 5°C
(42°F)		 5°C
(41°F)
Mean minimum -3°C
(27°F)		 -2°C
(28°F)		 -2°C
(29°F)		 -0°C
(32°F)		 3°C
(38°F)		 8°C
(46°F)		 10°C
(50°F)		 9°C
(48°F)		 6°C
(44°F)		 3°C
(38°F)		 -1°C
(30°F)		 -2°C
(28°F)
Minimum -7°C
(19°F)		 -6°C
(22°F)		 -7°C
(20°F)		 -3°C
(27°F)		 -0°C
(32°F)		 7°C
(44°F)		 7°C
(45°F)		 7°C
(45°F)		 4°C
(40°F)		 3°C
(37°F)		 -2°C
(29°F)		 -3°C
(26°F)

Compare climate in Janze with other places

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

Monthly average precipitation in Janze, Brittany, France §

Janze usually has the most precipitation in June, October and December, with an average of 12 rainy days and 98 mm (3.8 inches) of precipitation per month.The driest months in Janze are January, April and July. On average, 49 mm (1.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Janze, 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) 49 (1.9) 62 (2.4) 61 (2.4) 47 (1.8) 69 (2.7) 102 (4.0) 50 (2.0) 54 (2.1) 57 (2.3) 89 (3.5) 74 (2.9) 103 (4.0)
Average precipitation days (≥ 1 mm) 10 12 13 9 12 11 8 9 9 12 12 15

Monthly sunshine hours in Janze, Brittany, France §

The sunniest months in Janze are May, June and July, when the sun shines an average of 13 hours 1 minutes a day.Least sunny months in Janze: January, February and December receive an average of 5 hours 42 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Janze, 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 134 200 282 347 397 386 414 383 323 261 217 185
Mean daily daylight hours 8h 51m 10h 13m 11h 56m 13h 41m 15h 11m 15h 57m 15h 32m 14h 12m 12h 31m 10h 47m 9h 14m 8h 25m

Solar UV radiation in Janze, Brittany, France §

Janze 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 Janze UV Index data.

Average daily maximum UV levels by month for Janze, 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