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Monthly climate in Tretten, Innlandet, Norway

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Tretten features a subarctic climate (Dfc).Temperatures typically range between -7 °C (19 °F) and 14 °C (57 °F) through the year, but rarely can drop to -25 °C (-14 °F) or can rise to as high as 29 °C (84 °F).The average annual precipitation amounts to about 980 mm (38.6 inches) and receives 152 rainy days on the 1 mm (0.04 inches) threshold annually.Tretten enjoys an average of 3219 hours of sunshine throughout the year, and daylight varies from 5 hours 35 minutes to 19 hours 10 minutes per day.

Monthly average temperatures in Tretten, Innlandet, Norway §

The warmest months in Tretten are June, July and August, with daily mean temperatures ranging from 12 to 14 °C (54 - 57 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -7 to -7 °C (19 - 20 °F) throughout the day. On average each year, Tretten experiences 3 days above 25 °C (77.0 °F) and 188 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Tretten, Innlandet, 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 7°C
(45°F)		 5°C
(42°F)		 11°C
(52°F)		 19°C
(66°F)		 25°C
(78°F)		 27°C
(81°F)		 29°C
(84°F)		 24°C
(76°F)		 21°C
(70°F)		 14°C
(58°F)		 9°C
(48°F)		 4°C
(40°F)
Mean maximum 3°C
(38°F)		 3°C
(38°F)		 8°C
(48°F)		 13°C
(55°F)		 21°C
(71°F)		 21°C
(71°F)		 24°C
(76°F)		 22°C
(72°F)		 18°C
(64°F)		 12°C
(53°F)		 6°C
(43°F)		 3°C
(38°F)
Average high -5°C
(24°F)		 -3°C
(26°F)		 1°C
(34°F)		 5°C
(42°F)		 11°C
(52°F)		 17°C
(63°F)		 19°C
(66°F)		 16°C
(61°F)		 12°C
(53°F)		 6°C
(43°F)		 -0°C
(32°F)		 -5°C
(24°F)
Daily mean -7°C
(19°F)		 -7°C
(20°F)		 -3°C
(27°F)		 1°C
(34°F)		 7°C
(44°F)		 13°C
(55°F)		 14°C
(57°F)		 12°C
(54°F)		 8°C
(46°F)		 3°C
(37°F)		 -3°C
(28°F)		 -7°C
(20°F)
Average low -10°C
(14°F)		 -10°C
(15°F)		 -7°C
(20°F)		 -4°C
(25°F)		 2°C
(36°F)		 8°C
(46°F)		 9°C
(48°F)		 7°C
(46°F)		 4°C
(40°F)		 0°C
(33°F)		 -5°C
(23°F)		 -9°C
(15°F)
Mean minimum -21°C
(-5°F)		 -19°C
(-2°F)		 -16°C
(3°F)		 -12°C
(11°F)		 -6°C
(22°F)		 2°C
(36°F)		 2°C
(36°F)		 2°C
(35°F)		 -0°C
(32°F)		 -7°C
(20°F)		 -16°C
(3°F)		 -19°C
(-3°F)
Minimum -25°C
(-12°F)		 -22°C
(-8°F)		 -25°C
(-14°F)		 -17°C
(1°F)		 -10°C
(14°F)		 -0°C
(31°F)		 0°C
(33°F)		 1°C
(34°F)		 -2°C
(28°F)		 -9°C
(16°F)		 -21°C
(-5°F)		 -23°C
(-9°F)

Compare climate in Tretten with other places

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

Monthly average precipitation in Tretten, Innlandet, Norway §

Tretten usually has the most precipitation in July, August and October, with an average of 15 rainy days and 114 mm (4.5 inches) of precipitation per month.The driest months in Tretten are February, March and April. On average, 45 mm (1.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Tretten, Innlandet, 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) 53 (2.1) 51 (2.0) 52 (2.0) 34 (1.3) 84 (3.3) 98 (3.8) 100 (3.9) 127 (5.0) 95 (3.8) 116 (4.6) 88 (3.5) 83 (3.3)
Average precipitation days (≥ 1 mm) 9 10 9 7 14 13 14 16 15 17 12 16

Monthly sunshine hours in Tretten, Innlandet, Norway §

The sunniest months in Tretten are May, June and July, when the sun shines an average of 14 hours 8 minutes a day.Least sunny months in Tretten: January, November and December receive an average of 3 hours 4 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Tretten, Innlandet, 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 83 176 294 372 405 431 464 365 243 183 119 79
Mean daily daylight hours 6h 28m 8h 59m 11h 51m 14h 46m 17h 31m 19h 10m 18h 16m 15h 41m 12h 49m 9h 57m 7h 12m 5h 35m

Solar UV radiation in Tretten, Innlandet, Norway §

Tretten experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 6 - 7, which corresponds to the 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 Tretten UV Index data.

Average daily maximum UV levels by month for Tretten, Innlandet, 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 6 7 7 5 4 2 1 1