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Monthly climate in Trondheim, Trøndelag, Norway

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Trondheim features a subarctic climate (Dfc).Temperatures typically range between -2 °C (29 °F) and 16 °C (60 °F) through the year, but rarely can drop to -25 °C (-12 °F) or can rise to as high as 33 °C (92 °F).The average annual precipitation amounts to about 1178 mm (46.4 inches) and receives 185 rainy days on the 1 mm (0.04 inches) threshold annually.Trondheim enjoys an average of 3043 hours of sunshine throughout the year, and daylight varies from 4 hours 41 minutes to 20 hours 19 minutes per day.

Monthly average temperatures in Trondheim, Trøndelag, Norway §

The warmest months in Trondheim are June, July and August, with daily mean temperatures ranging from 14 to 16 °C (57 - 60 °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 - 31 °F) throughout the day. On average each year, Trondheim experiences 10 days above 25 °C (77.0 °F) and 112 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Trondheim, Trøndelag, 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 12°C
(53°F)		 10°C
(50°F)		 14°C
(58°F)		 22°C
(72°F)		 27°C
(80°F)		 32°C
(89°F)		 33°C
(92°F)		 31°C
(88°F)		 22°C
(71°F)		 21°C
(70°F)		 14°C
(57°F)		 10°C
(50°F)
Mean maximum 8°C
(46°F)		 8°C
(46°F)		 11°C
(52°F)		 17°C
(63°F)		 22°C
(72°F)		 26°C
(79°F)		 29°C
(85°F)		 26°C
(79°F)		 20°C
(69°F)		 16°C
(62°F)		 10°C
(51°F)		 8°C
(47°F)
Average high 1°C
(33°F)		 1°C
(34°F)		 4°C
(40°F)		 9°C
(48°F)		 13°C
(56°F)		 18°C
(65°F)		 20°C
(68°F)		 18°C
(65°F)		 14°C
(58°F)		 9°C
(48°F)		 4°C
(39°F)		 2°C
(35°F)
Daily mean -2°C
(29°F)		 -2°C
(29°F)		 1°C
(33°F)		 5°C
(40°F)		 9°C
(49°F)		 14°C
(57°F)		 16°C
(60°F)		 14°C
(58°F)		 11°C
(52°F)		 6°C
(44°F)		 2°C
(36°F)		 -1°C
(31°F)
Average low -4°C
(24°F)		 -5°C
(23°F)		 -3°C
(27°F)		 0°C
(33°F)		 5°C
(41°F)		 10°C
(50°F)		 11°C
(52°F)		 10°C
(51°F)		 8°C
(47°F)		 4°C
(40°F)		 -0°C
(32°F)		 -3°C
(27°F)
Mean minimum -14°C
(7°F)		 -15°C
(5°F)		 -12°C
(11°F)		 -7°C
(20°F)		 -2°C
(29°F)		 5°C
(41°F)		 6°C
(43°F)		 5°C
(41°F)		 3°C
(38°F)		 -2°C
(29°F)		 -9°C
(16°F)		 -11°C
(13°F)
Minimum -18°C
(-1°F)		 -25°C
(-12°F)		 -24°C
(-12°F)		 -12°C
(11°F)		 -2°C
(28°F)		 3°C
(37°F)		 5°C
(41°F)		 4°C
(40°F)		 2°C
(36°F)		 -4°C
(24°F)		 -14°C
(7°F)		 -16°C
(3°F)

Compare climate in Trondheim with other places

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

Monthly average precipitation in Trondheim, Trøndelag, Norway §

Trondheim usually has the most precipitation in August, September and October, with an average of 17 rainy days and 122 mm (4.8 inches) of precipitation per month.The driest months in Trondheim are February, May and July. On average, 78 mm (3.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Trondheim, Trøndelag, 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) 94 (3.7) 75 (3.0) 111 (4.4) 93 (3.7) 70 (2.7) 89 (3.5) 88 (3.5) 118 (4.6) 124 (4.9) 123 (4.8) 88 (3.5) 105 (4.1)
Average precipitation days (≥ 1 mm) 14 13 18 16 15 14 16 15 17 19 13 15

Monthly sunshine hours in Trondheim, Trøndelag, Norway §

The sunniest months in Trondheim are May, June and July, when the sun shines an average of 13 hours 43 minutes a day.Least sunny months in Trondheim: January, November and December receive an average of 2 hours 32 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Trondheim, Trøndelag, 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 57 155 241 320 418 413 430 372 258 199 116 60
Mean daily daylight hours 5h 46m 8h 40m 11h 50m 15h 3m 18h 13m 20h 19m 19h 8m 16h 5m 12h 54m 9h 44m 6h 38m 4h 41m

Solar UV radiation in Trondheim, Trøndelag, Norway §

Trondheim experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 5 - 6, 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 Trondheim UV Index data.

Average daily maximum UV levels by month for Trondheim, Trøndelag, 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 2 4 5 6 6 5 3 2 1 1