Weather in Tromsø

What's the weather like in Tromsø?

Tromsø has a moderate climate and moderate rainfall spread across the year. Average daytime highs range from -2°C (28°F) in January to 16°C (61°F) in July, with overnight lows around -7°C (19°F) and 9°C (48°F) respectively.

No month in Tromsø sits in the typical comfort range of 18–26°C. The most temperate months are usually July and August.

Quick facts

Country: 🇳🇴 Norway
Region: Europe
Time zone: Europe/Oslo
Coordinates: 69.649, 18.955

Monthly climate

Long-run averages for each month of the year.

Month	Avg high	Avg low	Rainfall	Rain days	Snow days
January	-2°C / 28°F	-7°C / 19°F	80 mm	15	12
February	-2°C / 28°F	-7°C / 19°F	65 mm	13	10
March	-1°C / 30°F	-6°C / 21°F	65 mm	12	8
April	2°C / 36°F	-3°C / 27°F	50 mm	10	4
May	7°C / 45°F	1°C / 34°F	40 mm	9	1
June	12°C / 54°F	5°C / 41°F	55 mm	10	0
July	16°C / 61°F	9°C / 48°F	75 mm	11	0
August	15°C / 59°F	9°C / 48°F	80 mm	12	0
September	10°C / 50°F	5°C / 41°F	90 mm	12	1
October	4°C / 39°F	0°C / 32°F	115 mm	15	3
November	1°C / 34°F	-3°C / 27°F	90 mm	14	8
December	-1°C / 30°F	-5°C / 23°F	85 mm	15	11