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Monthly climate in Mehamn, Norway

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Mehamn features a subarctic climate (Dfc). Temperatures typically range between -5 °C (24 °F) and 11 °C (51 °F) through the year, but rarely can drop to -17 °C (2 °F) or can rise to as high as 26 °C (79 °F). The average annual precipitation amounts to about 906 mm (35.7 inches) and receives 202 rainy days on the 1 mm (0.04 inches) threshold annually. Mehamn enjoys an average of 2636 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 Mehamn, Norway

The warmest months in Mehamn are July, August and September, with daily mean temperatures ranging from 8 to 11 °C (47 - 51 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from -5 to -3 °C (24 - 27 °F) throughout the day. On average each year, Mehamn experiences 0 days above 25 °C (77.0 °F) and 156 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Mehamn. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum6°C
(43°F)		5°C
(41°F)		6°C
(44°F)		9°C
(49°F)		15°C
(60°F)		21°C
(70°F)		25°C
(77°F)		26°C
(79°F)		19°C
(67°F)		13°C
(55°F)		8°C
(46°F)		5°C
(42°F)
Mean maximum5°C
(41°F)		3°C
(38°F)		4°C
(39°F)		6°C
(43°F)		11°C
(53°F)		15°C
(59°F)		22°C
(73°F)		20°C
(69°F)		16°C
(62°F)		10°C
(51°F)		6°C
(43°F)		4°C
(40°F)
Average high-2°C
(29°F)		-3°C
(28°F)		-1°C
(30°F)		2°C
(35°F)		5°C
(41°F)		9°C
(48°F)		13°C
(55°F)		12°C
(54°F)		10°C
(50°F)		5°C
(41°F)		2°C
(35°F)		-0°C
(32°F)
Daily mean-4°C
(25°F)		-5°C
(24°F)		-3°C
(27°F)		0°C
(32°F)		3°C
(38°F)		7°C
(45°F)		11°C
(51°F)		10°C
(51°F)		8°C
(47°F)		3°C
(38°F)		0°C
(32°F)		-2°C
(28°F)
Average low-6°C
(21°F)		-7°C
(20°F)		-5°C
(24°F)		-2°C
(29°F)		1°C
(35°F)		5°C
(42°F)		8°C
(48°F)		8°C
(47°F)		6°C
(44°F)		2°C
(36°F)		-2°C
(29°F)		-4°C
(24°F)
Mean minimum-14°C
(7°F)		-13°C
(8°F)		-11°C
(12°F)		-8°C
(18°F)		-4°C
(24°F)		3°C
(37°F)		5°C
(41°F)		5°C
(41°F)		3°C
(37°F)		-4°C
(24°F)		-9°C
(17°F)		-10°C
(14°F)
Minimum-16°C
(3°F)		-16°C
(3°F)		-17°C
(2°F)		-10°C
(15°F)		-6°C
(22°F)		-0°C
(32°F)		4°C
(40°F)		3°C
(38°F)		1°C
(35°F)		-8°C
(18°F)		-14°C
(7°F)		-13°C
(9°F)

Compare climate in Mehamn with other places

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

Monthly average precipitation in Mehamn, Norway

Mehamn usually has the most precipitation in March, August and November, with an average of 19 rainy days and 88 mm (3.5 inches) of precipitation per month. The driest months in Mehamn are January, February and December. On average, 65 mm (2.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Mehamn. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)69 (2.7)61 (2.4)91 (3.6)71 (2.8)75 (2.9)72 (2.8)78 (3.1)86 (3.4)77 (3.0)76 (3.0)86 (3.4)64 (2.5)
Average precipitation days (≥ 1 mm)141623181817131615191815

Monthly sunshine hours in Mehamn, Norway

The sunniest months in Mehamn are May, June and July, when the sun shines an average of 13 hours 38 minutes a day. Least sunny months in Mehamn: January, November and December receive an average of 0 hours 11 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Mehamn. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours074235306404395454313277155160
Mean daily daylight hours3h 38m6h 50m11h 44m16h 39m22h 57m24h 0m24h 0m18h 36m13h 19m8h 36m4h 36m0h 0m

Solar UV radiation in Mehamn, Norway

Mehamn experiences the highest level of ultraviolet (UV) radiation in May, 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 Mehamn UV Index data.

Average daily maximum UV levels by month for Mehamn. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)111244542110