nomadseason

Monthly climate in Finnsnes, Norway

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Finnsnes features a subarctic climate (Dfc). Temperatures typically range between -6 °C (21 °F) and 13 °C (56 °F) through the year, but rarely can drop to -25 °C (-13 °F) or can rise to as high as 28 °C (83 °F). The average annual precipitation amounts to about 1244 mm (49.0 inches) and receives 190 rainy days on the 1 mm (0.04 inches) threshold annually. Finnsnes enjoys an average of 2810 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 Finnsnes, Norway

The warmest months in Finnsnes are June, July and August, with daily mean temperatures ranging from 10 to 13 °C (51 - 56 °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, Finnsnes experiences 1 days above 25 °C (77.0 °F) and 165 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Finnsnes. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum7°C
(46°F)		7°C
(44°F)		8°C
(47°F)		15°C
(59°F)		21°C
(70°F)		24°C
(75°F)		28°C
(83°F)		27°C
(82°F)		21°C
(70°F)		15°C
(59°F)		10°C
(51°F)		8°C
(47°F)
Mean maximum6°C
(43°F)		6°C
(43°F)		5°C
(42°F)		10°C
(51°F)		16°C
(62°F)		21°C
(70°F)		24°C
(76°F)		22°C
(72°F)		19°C
(66°F)		13°C
(56°F)		8°C
(47°F)		7°C
(44°F)
Average high-2°C
(28°F)		-3°C
(26°F)		-0°C
(31°F)		3°C
(38°F)		8°C
(46°F)		13°C
(55°F)		16°C
(61°F)		15°C
(59°F)		11°C
(52°F)		5°C
(42°F)		1°C
(35°F)		-2°C
(29°F)
Daily mean-5°C
(23°F)		-6°C
(21°F)		-3°C
(27°F)		0°C
(33°F)		5°C
(41°F)		10°C
(51°F)		13°C
(56°F)		12°C
(54°F)		8°C
(47°F)		3°C
(38°F)		-1°C
(31°F)		-5°C
(23°F)
Average low-8°C
(18°F)		-9°C
(16°F)		-6°C
(21°F)		-3°C
(27°F)		2°C
(35°F)		7°C
(45°F)		10°C
(50°F)		9°C
(49°F)		6°C
(42°F)		1°C
(34°F)		-3°C
(26°F)		-8°C
(18°F)
Mean minimum-20°C
(-4°F)		-19°C
(-1°F)		-15°C
(4°F)		-10°C
(14°F)		-5°C
(23°F)		4°C
(40°F)		6°C
(42°F)		5°C
(41°F)		0°C
(33°F)		-6°C
(21°F)		-15°C
(6°F)		-18°C
(1°F)
Minimum-25°C
(-13°F)		-23°C
(-9°F)		-19°C
(-3°F)		-12°C
(11°F)		-8°C
(18°F)		0°C
(33°F)		5°C
(41°F)		4°C
(40°F)		-1°C
(30°F)		-12°C
(11°F)		-23°C
(-9°F)		-22°C
(-7°F)

Compare climate in Finnsnes with other places

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

Monthly average precipitation in Finnsnes, Norway

Finnsnes usually has the most precipitation in March, August and September, with an average of 18 rainy days and 128 mm (5.1 inches) of precipitation per month. The driest months in Finnsnes are May, October and December. On average, 84 mm (3.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Finnsnes. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)90 (3.5)100 (4.0)131 (5.1)103 (4.0)81 (3.2)123 (4.8)89 (3.5)126 (4.9)129 (5.1)88 (3.5)101 (4.0)84 (3.3)
Average precipitation days (≥ 1 mm)141419161417141817151814

Monthly sunshine hours in Finnsnes, Norway

The sunniest months in Finnsnes are May, June and July, when the sun shines an average of 14 hours 24 minutes a day. Least sunny months in Finnsnes: January, November and December receive an average of 0 hours 25 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Finnsnes. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours14104232329431443450368255154250
Mean daily daylight hours4h 44m7h 26m11h 46m16h 8m21h 53m24h 0m23h 21m17h 42m13h 12m8h 57m6h 49m0h 0m

Solar UV radiation in Finnsnes, Norway

Finnsnes 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 Finnsnes UV Index data.

Average daily maximum UV levels by month for Finnsnes. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)112345542110