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Monthly climate in Hammerfest, Norway

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Hammerfest features a subarctic climate (Dfc). Temperatures typically range between -4 °C (25 °F) and 11 °C (52 °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 1093 mm (43.0 inches) and receives 201 rainy days on the 1 mm (0.04 inches) threshold annually. Hammerfest enjoys an average of 2708 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 Hammerfest, Norway

The warmest months in Hammerfest are July, August and September, with daily mean temperatures ranging from 8 to 11 °C (47 - 52 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -4 to -2 °C (25 - 28 °F) throughout the day. On average each year, Hammerfest experiences 0 days above 25 °C (77.0 °F) and 151 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Hammerfest. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum6°C
(44°F)		6°C
(42°F)		6°C
(44°F)		10°C
(50°F)		16°C
(61°F)		17°C
(63°F)		24°C
(76°F)		26°C
(79°F)		18°C
(65°F)		14°C
(58°F)		8°C
(47°F)		6°C
(43°F)
Mean maximum5°C
(42°F)		4°C
(40°F)		4°C
(40°F)		6°C
(43°F)		11°C
(53°F)		15°C
(59°F)		21°C
(69°F)		20°C
(68°F)		16°C
(61°F)		11°C
(52°F)		7°C
(44°F)		6°C
(42°F)
Average high-2°C
(29°F)		-2°C
(28°F)		-1°C
(31°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
(26°F)		-4°C
(25°F)		-2°C
(28°F)		0°C
(33°F)		3°C
(39°F)		7°C
(46°F)		11°C
(52°F)		10°C
(51°F)		8°C
(47°F)		4°C
(39°F)		0°C
(32°F)		-2°C
(28°F)
Average low-6°C
(22°F)		-6°C
(22°F)		-4°C
(25°F)		-1°C
(30°F)		2°C
(36°F)		6°C
(43°F)		9°C
(48°F)		9°C
(48°F)		7°C
(44°F)		2°C
(36°F)		-2°C
(29°F)		-4°C
(24°F)
Mean minimum-13°C
(8°F)		-11°C
(12°F)		-10°C
(14°F)		-6°C
(22°F)		-3°C
(26°F)		3°C
(38°F)		6°C
(42°F)		6°C
(43°F)		3°C
(38°F)		-4°C
(24°F)		-9°C
(16°F)		-10°C
(14°F)
Minimum-17°C
(2°F)		-16°C
(3°F)		-14°C
(7°F)		-8°C
(19°F)		-5°C
(23°F)		0°C
(33°F)		4°C
(40°F)		5°C
(41°F)		1°C
(34°F)		-8°C
(18°F)		-15°C
(6°F)		-14°C
(7°F)

Compare climate in Hammerfest with other places

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

Monthly average precipitation in Hammerfest, Norway

Hammerfest usually has the most precipitation in March, September and November, with an average of 18 rainy days and 107 mm (4.2 inches) of precipitation per month. The driest months in Hammerfest are July, October and December. On average, 82 mm (3.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Hammerfest. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)85 (3.3)83 (3.3)119 (4.7)86 (3.4)86 (3.4)95 (3.7)83 (3.3)90 (3.5)97 (3.8)82 (3.2)106 (4.2)80 (3.2)
Average precipitation days (≥ 1 mm)151622171717131617181716

Monthly sunshine hours in Hammerfest, Norway

The sunniest months in Hammerfest are May, June and July, when the sun shines an average of 13 hours 54 minutes a day. Least sunny months in Hammerfest: January, November and December receive an average of 0 hours 14 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Hammerfest. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours282243327422405451329266157190
Mean daily daylight hours3h 47m6h 58m11h 44m16h 32m22h 45m24h 0m23h 54m18h 22m13h 18m8h 40m4h 54m0h 0m

Solar UV radiation in Hammerfest, Norway

Hammerfest 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 Hammerfest UV Index data.

Average daily maximum UV levels by month for Hammerfest. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)111245542110