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Monthly climate in Fosser, Viken, Norway

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Fosser features a humid continental climate (Dfb).Temperatures typically range between -2 °C (29 °F) and 17 °C (64 °F) through the year, but rarely can drop to -19 °C (-2 °F) or can rise to as high as 32 °C (91 °F).The average annual precipitation amounts to about 892 mm (35.1 inches) and receives 133 rainy days on the 1 mm (0.04 inches) threshold annually.Fosser enjoys an average of 3385 hours of sunshine throughout the year, and daylight varies from 6 hours 3 minutes to 18 hours 37 minutes per day.

Monthly average temperatures in Fosser, Viken, Norway §

The warmest months in Fosser are June, July and August, with daily mean temperatures ranging from 16 to 17 °C (60 - 64 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -2 to -1 °C (29 - 30 °F) throughout the day. On average each year, Fosser experiences 16 days above 25 °C (77.0 °F) and 114 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Fosser, Viken, Norway.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 9°C
(48°F)		 9°C
(49°F)		 18°C
(65°F)		 23°C
(74°F)		 29°C
(85°F)		 30°C
(85°F)		 32°C
(91°F)		 30°C
(85°F)		 25°C
(77°F)		 18°C
(65°F)		 15°C
(59°F)		 8°C
(47°F)
Mean maximum 6°C
(44°F)		 7°C
(45°F)		 13°C
(56°F)		 19°C
(67°F)		 24°C
(75°F)		 25°C
(78°F)		 28°C
(82°F)		 26°C
(79°F)		 21°C
(71°F)		 15°C
(59°F)		 10°C
(51°F)		 7°C
(45°F)
Average high 1°C
(33°F)		 1°C
(34°F)		 5°C
(41°F)		 10°C
(51°F)		 15°C
(60°F)		 21°C
(70°F)		 22°C
(72°F)		 20°C
(68°F)		 16°C
(60°F)		 10°C
(50°F)		 4°C
(40°F)		 1°C
(34°F)
Daily mean -2°C
(29°F)		 -2°C
(29°F)		 1°C
(34°F)		 5°C
(42°F)		 11°C
(52°F)		 16°C
(61°F)		 17°C
(64°F)		 16°C
(60°F)		 12°C
(54°F)		 7°C
(45°F)		 2°C
(37°F)		 -1°C
(30°F)
Average low -4°C
(25°F)		 -5°C
(24°F)		 -3°C
(28°F)		 1°C
(33°F)		 6°C
(42°F)		 11°C
(52°F)		 12°C
(54°F)		 11°C
(53°F)		 8°C
(47°F)		 4°C
(40°F)		 0°C
(33°F)		 -3°C
(27°F)
Mean minimum -13°C
(9°F)		 -13°C
(8°F)		 -9°C
(15°F)		 -6°C
(22°F)		 -1°C
(31°F)		 6°C
(44°F)		 8°C
(46°F)		 6°C
(42°F)		 3°C
(38°F)		 -3°C
(26°F)		 -8°C
(17°F)		 -11°C
(12°F)
Minimum -18°C
(0°F)		 -19°C
(-2°F)		 -15°C
(5°F)		 -12°C
(11°F)		 -2°C
(29°F)		 4°C
(39°F)		 7°C
(44°F)		 4°C
(39°F)		 0°C
(33°F)		 -5°C
(23°F)		 -10°C
(14°F)		 -14°C
(8°F)

Compare climate in Fosser with other places

Compare temperature, precipitation, sunshine, UV index in Fosser, Viken, Norway with other places around the world.

Monthly average precipitation in Fosser, Viken, Norway §

Fosser usually has the most precipitation in July, October and November, with an average of 11 rainy days and 94 mm (3.7 inches) of precipitation per month.The driest months in Fosser are January, February and April. On average, 47 mm (1.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Fosser, Viken, Norway.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) 50 (2.0) 55 (2.2) 56 (2.2) 35 (1.4) 79 (3.1) 80 (3.2) 91 (3.6) 86 (3.4) 84 (3.3) 105 (4.1) 87 (3.4) 84 (3.3)
Average precipitation days (≥ 1 mm) 8 9 9 7 13 13 11 13 11 13 11 15

Monthly sunshine hours in Fosser, Viken, Norway §

The sunniest months in Fosser are May, June and July, when the sun shines an average of 14 hours 41 minutes a day.Least sunny months in Fosser: January, November and December receive an average of 3 hours 20 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Fosser, Viken, Norway.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 83 171 282 371 422 457 471 400 284 217 130 92
Mean daily daylight hours 6h 51m 9h 10m 11h 51m 14h 36m 17h 9m 18h 37m 17h 49m 15h 27m 12h 47m 10h 4m 7h 31m 6h 3m

Solar UV radiation in Fosser, Viken, Norway §

Fosser experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 5 - 7, which corresponds to the Moderate / High category of sun exposure.January, February and November are in the Low exposure category. In these months, the maximum values of the UV index do not exceed 1. For more detailed information, check out our hourly Fosser UV Index data.

Average daily maximum UV levels by month for Fosser, Viken, Norway.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) 1 1 3 4 5 7 7 5 4 2 1 1