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Monthly climate in Tomterasen, Viken, Norway

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Tomterasen features a humid continental climate (Dfb).Temperatures typically range between -2 °C (29 °F) and 18 °C (64 °F) through the year, but rarely can drop to -21 °C (-5 °F) or can rise to as high as 33 °C (91 °F).The average annual precipitation amounts to about 908 mm (35.8 inches) and receives 129 rainy days on the 1 mm (0.04 inches) threshold annually.Tomterasen enjoys an average of 3318 hours of sunshine throughout the year, and daylight varies from 5 hours 57 minutes to 18 hours 44 minutes per day.

Monthly average temperatures in Tomterasen, Viken, Norway §

The warmest months in Tomterasen are June, July and August, with daily mean temperatures ranging from 16 to 18 °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, Tomterasen experiences 17 days above 25 °C (77.0 °F) and 122 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Tomterasen, 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 10°C
(50°F)		 12°C
(53°F)		 19°C
(67°F)		 24°C
(75°F)		 30°C
(86°F)		 30°C
(86°F)		 33°C
(91°F)		 29°C
(85°F)		 26°C
(78°F)		 18°C
(65°F)		 14°C
(58°F)		 8°C
(46°F)
Mean maximum 7°C
(45°F)		 8°C
(46°F)		 14°C
(58°F)		 20°C
(68°F)		 24°C
(76°F)		 25°C
(77°F)		 28°C
(84°F)		 26°C
(79°F)		 22°C
(72°F)		 15°C
(59°F)		 10°C
(50°F)		 7°C
(45°F)
Average high 0°C
(33°F)		 1°C
(34°F)		 5°C
(42°F)		 11°C
(52°F)		 16°C
(60°F)		 21°C
(70°F)		 23°C
(73°F)		 20°C
(69°F)		 16°C
(61°F)		 10°C
(50°F)		 4°C
(40°F)		 0°C
(33°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)		 18°C
(64°F)		 16°C
(60°F)		 12°C
(53°F)		 7°C
(44°F)		 2°C
(36°F)		 -1°C
(30°F)
Average low -5°C
(24°F)		 -5°C
(23°F)		 -3°C
(27°F)		 -0°C
(32°F)		 5°C
(42°F)		 11°C
(52°F)		 12°C
(54°F)		 11°C
(52°F)		 8°C
(47°F)		 4°C
(39°F)		 -0°C
(32°F)		 -4°C
(26°F)
Mean minimum -14°C
(7°F)		 -15°C
(6°F)		 -11°C
(13°F)		 -7°C
(20°F)		 -2°C
(29°F)		 6°C
(43°F)		 7°C
(44°F)		 5°C
(40°F)		 3°C
(37°F)		 -4°C
(25°F)		 -9°C
(16°F)		 -13°C
(10°F)
Minimum -19°C
(-2°F)		 -21°C
(-5°F)		 -17°C
(2°F)		 -13°C
(9°F)		 -3°C
(27°F)		 3°C
(37°F)		 4°C
(40°F)		 3°C
(38°F)		 -0°C
(32°F)		 -6°C
(21°F)		 -11°C
(12°F)		 -15°C
(5°F)

Compare climate in Tomterasen with other places

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

Monthly average precipitation in Tomterasen, Viken, Norway §

Tomterasen usually has the most precipitation in July, October and November, with an average of 12 rainy days and 98 mm (3.9 inches) of precipitation per month.The driest months in Tomterasen 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 Tomterasen, 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) 51 (2.0) 54 (2.1) 55 (2.2) 35 (1.4) 80 (3.2) 79 (3.1) 95 (3.8) 83 (3.3) 88 (3.5) 107 (4.2) 94 (3.7) 88 (3.4)
Average precipitation days (≥ 1 mm) 8 9 8 6 12 12 10 12 12 14 12 14

Monthly sunshine hours in Tomterasen, Viken, Norway §

The sunniest months in Tomterasen are May, June and July, when the sun shines an average of 14 hours 17 minutes a day.Least sunny months in Tomterasen: January, November and December receive an average of 3 hours 17 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Tomterasen, 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 86 172 286 368 404 443 467 392 271 208 125 91
Mean daily daylight hours 6h 46m 9h 8m 11h 51m 14h 38m 17h 14m 18h 44m 17h 55m 15h 30m 12h 47m 10h 2m 7h 27m 5h 57m

Solar UV radiation in Tomterasen, Viken, Norway §

Tomterasen 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 Tomterasen UV Index data.

Average daily maximum UV levels by month for Tomterasen, 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