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Monthly climate in Troim, Norway

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Troim features a subarctic climate (Dfc). Temperatures typically range between -7 °C (20 °F) and 12 °C (55 °F) through the year, but rarely can drop to -25 °C (-13 °F) or can rise to as high as 26 °C (79 °F). The average annual precipitation amounts to about 1072 mm (42.2 inches) and receives 167 rainy days on the 1 mm (0.04 inches) threshold annually. Troim enjoys an average of 3131 hours of sunshine throughout the year, and daylight varies from 5 hours 43 minutes to 19 hours 1 minutes per day.

Monthly average temperatures in Troim, Norway

The warmest months in Troim are June, July and August, with daily mean temperatures ranging from 11 to 12 °C (51 - 55 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -7 to -6 °C (20 - 21 °F) throughout the day. On average each year, Troim experiences 0 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 Troim. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum6°C
(43°F)		6°C
(43°F)		8°C
(47°F)		17°C
(62°F)		23°C
(74°F)		24°C
(76°F)		26°C
(79°F)		23°C
(73°F)		20°C
(68°F)		14°C
(57°F)		9°C
(48°F)		6°C
(42°F)
Mean maximum4°C
(39°F)		3°C
(38°F)		6°C
(43°F)		12°C
(54°F)		19°C
(66°F)		20°C
(68°F)		23°C
(73°F)		21°C
(69°F)		17°C
(62°F)		11°C
(52°F)		5°C
(42°F)		4°C
(40°F)
Average high-4°C
(26°F)		-4°C
(26°F)		-1°C
(31°F)		4°C
(39°F)		9°C
(48°F)		15°C
(59°F)		17°C
(63°F)		15°C
(59°F)		10°C
(50°F)		5°C
(41°F)		-1°C
(31°F)		-4°C
(25°F)
Daily mean-6°C
(21°F)		-7°C
(20°F)		-4°C
(25°F)		-0°C
(32°F)		5°C
(41°F)		11°C
(52°F)		12°C
(55°F)		11°C
(51°F)		7°C
(45°F)		2°C
(36°F)		-3°C
(27°F)		-6°C
(21°F)
Average low-9°C
(16°F)		-10°C
(15°F)		-8°C
(18°F)		-5°C
(24°F)		0°C
(33°F)		6°C
(43°F)		8°C
(46°F)		6°C
(44°F)		4°C
(39°F)		-0°C
(32°F)		-6°C
(22°F)		-9°C
(17°F)
Mean minimum-20°C
(-3°F)		-19°C
(-3°F)		-19°C
(-3°F)		-13°C
(8°F)		-7°C
(20°F)		2°C
(36°F)		2°C
(37°F)		2°C
(35°F)		-0°C
(32°F)		-8°C
(18°F)		-17°C
(1°F)		-19°C
(-3°F)
Minimum-25°C
(-12°F)		-24°C
(-11°F)		-25°C
(-13°F)		-19°C
(-2°F)		-10°C
(13°F)		0°C
(33°F)		-0°C
(32°F)		0°C
(33°F)		-2°C
(29°F)		-11°C
(12°F)		-22°C
(-8°F)		-23°C
(-9°F)

Compare climate in Troim with other places

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

Monthly average precipitation in Troim, Norway

Troim 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 Troim are January, February and April. On average, 57 mm (2.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Troim. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)62 (2.4)59 (2.3)67 (2.6)50 (2.0)71 (2.8)106 (4.2)100 (3.9)115 (4.5)126 (5.0)124 (4.9)92 (3.6)101 (4.0)
Average precipitation days (≥ 1 mm)121213101113131617181517

Monthly sunshine hours in Troim, Norway

The sunniest months in Troim are May, June and July, when the sun shines an average of 14 hours 2 minutes a day. Least sunny months in Troim: January, November and December receive an average of 2 hours 34 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Troim. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours7116627636041042245837924017910758
Mean daily daylight hours6h 34m9h 2m11h 51m14h 43m17h 25m19h 1m18h 8m15h 37m12h 49m9h 59m7h 18m5h 43m

Solar UV radiation in Troim, Norway

Troim 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, November and December 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 Troim UV Index data.

Average daily maximum UV levels by month for Troim. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)123567754211