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Monthly climate in Gratangen, Norway

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Gratangen features a subarctic climate (Dfc). Temperatures typically range between -6 °C (21 °F) and 12 °C (54 °F) through the year, but rarely can drop to -24 °C (-11 °F) or can rise to as high as 27 °C (81 °F). The average annual precipitation amounts to about 1561 mm (61.4 inches) and receives 200 rainy days on the 1 mm (0.04 inches) threshold annually. Gratangen enjoys an average of 2775 hours of sunshine throughout the year, and daylight varies from 0 hours 0 minutes to 24 hours 0 minutes per day.

Monthly average temperatures in Gratangen, Norway

The warmest months in Gratangen are June, July and August, with daily mean temperatures ranging from 8 to 12 °C (47 - 54 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -6 to -5 °C (21 - 23 °F) throughout the day. On average each year, Gratangen experiences 0 days above 25 °C (77.0 °F) and 186 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Gratangen. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum5°C
(41°F)		5°C
(41°F)		6°C
(43°F)		9°C
(49°F)		18°C
(65°F)		21°C
(70°F)		27°C
(81°F)		26°C
(80°F)		20°C
(68°F)		15°C
(59°F)		9°C
(49°F)		6°C
(44°F)
Mean maximum4°C
(39°F)		4°C
(39°F)		4°C
(39°F)		7°C
(45°F)		11°C
(52°F)		17°C
(64°F)		23°C
(73°F)		21°C
(71°F)		17°C
(64°F)		12°C
(54°F)		6°C
(43°F)		4°C
(40°F)
Average high-4°C
(26°F)		-4°C
(25°F)		-2°C
(29°F)		1°C
(34°F)		4°C
(40°F)		11°C
(51°F)		15°C
(59°F)		14°C
(57°F)		10°C
(50°F)		4°C
(39°F)		0°C
(32°F)		-3°C
(27°F)
Daily mean-6°C
(22°F)		-6°C
(21°F)		-4°C
(25°F)		-1°C
(31°F)		2°C
(37°F)		8°C
(47°F)		12°C
(54°F)		11°C
(52°F)		7°C
(45°F)		2°C
(35°F)		-2°C
(29°F)		-5°C
(23°F)
Average low-8°C
(18°F)		-9°C
(17°F)		-6°C
(21°F)		-3°C
(26°F)		-0°C
(32°F)		5°C
(41°F)		9°C
(49°F)		8°C
(47°F)		5°C
(40°F)		-0°C
(32°F)		-4°C
(25°F)		-7°C
(19°F)
Mean minimum-18°C
(1°F)		-15°C
(5°F)		-14°C
(7°F)		-11°C
(13°F)		-5°C
(23°F)		1°C
(34°F)		4°C
(39°F)		4°C
(40°F)		-2°C
(29°F)		-9°C
(17°F)		-12°C
(10°F)		-16°C
(4°F)
Minimum-24°C
(-11°F)		-18°C
(-1°F)		-19°C
(-1°F)		-12°C
(10°F)		-6°C
(21°F)		-2°C
(29°F)		3°C
(38°F)		3°C
(37°F)		-6°C
(22°F)		-10°C
(14°F)		-18°C
(-1°F)		-24°C
(-11°F)

Compare climate in Gratangen with other places

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

Monthly average precipitation in Gratangen, Norway

Gratangen usually has the most precipitation in March, August and September, with an average of 19 rainy days and 155 mm (6.1 inches) of precipitation per month. The driest months in Gratangen are May, October and December. On average, 110 mm (4.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Gratangen. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)119 (4.7)131 (5.2)164 (6.4)121 (4.7)98 (3.9)147 (5.8)126 (5.0)149 (5.9)151 (6.0)118 (4.7)123 (4.9)112 (4.4)
Average precipitation days (≥ 1 mm)141420181417152117171815

Monthly sunshine hours in Gratangen, Norway

The sunniest months in Gratangen are May, June and July, when the sun shines an average of 14 hours 17 minutes a day. Least sunny months in Gratangen: January, November and December receive an average of 0 hours 27 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Gratangen. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours17106224322432437444365249150240
Mean daily daylight hours6h 29m7h 32m11h 46m16h 3m21h 37m24h 0m23h 10m17h 34m13h 10m9h 0m7h 9m0h 0m

Solar UV radiation in Gratangen, Norway

Gratangen experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 4 - 5, which corresponds to the Moderate category of sun exposure. February, October 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 Gratangen UV Index data.

Average daily maximum UV levels by month for Gratangen. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)112345543110