Climate · Norway

Tromsø

Cool and wet from June to September; cold and wet from December to March.

Typical weather, averaged over 30 years69.7°N10 m above the sea
  1. Jan25°-4°12°-11°Rain on about four days a week.
  2. Feb24°-4°11°-12°Rain on about four days a week.
  3. Mar30°-1°17°-8°Rain on about four days a week.
  4. Apr38°3°25°-4°Rain on about four days a week.
  5. May47°8°33°1°Rain on about four days a week.
  6. Jun57°14°43°6°Rain on about four days a week.
  7. Jul64°18°49°9°Rain on about four days a week.
  8. Aug63°17°49°9°Rain on about four days a week.
  9. Sep55°13°42°6°Rain on about five days a week.
  10. Oct45°7°33°1°Rain on about four days a week.
  11. Nov34°1°21°-6°Rain on about four days a week.
  12. Dec28°-2°15°-9°Rain on about four days a week.
Each month: its typical high and low, and dots for wet days a week. Tap a month to open it.The best months

The warm season runs from June to September, with highs near 60°F and nights near 46°F. From December to March, highs stay near or below freezing, around 27°F. Rain or snow falls on about four days a week, spread through the year. From late November to mid-January the sun does not rise; from mid-May to late July it does not set.The warm season runs from June to September, with highs near 16°C and nights near 8°C. From December to March, highs stay near or below freezing, around -3°C. Rain or snow falls on about four days a week, spread through the year. From late November to mid-January the sun does not rise; from mid-May to late July it does not set.

Where Tromsø sits

Europe/Oslo

this place
typical high in Januarytypical high in Februarytypical high in Marchtypical high in Apriltypical high in Maytypical high in Junetypical high in Julytypical high in Augusttypical high in Septembertypical high in Octobertypical high in Novembertypical high in December 40°F4°C95°F35°C
Latitude
69.7°Nnorthern hemisphere
Above the sea
10 mlow-lying
Sunrise, mid-JanuarySunrise, mid-FebruarySunrise, mid-MarchSunrise, mid-AprilSunrise, mid-MaySunrise, mid-JuneSunrise, mid-JulySunrise, mid-AugustSunrise, mid-SeptemberSunrise, mid-OctoberSunrise, mid-NovemberSunrise, mid-December
No sunrise8:19 AM6:11 AM4:46 AM1:49 AMNo sunsetNo sunset3:41 AM5:54 AM7:51 AM9:21 AMNo sunrisesets 3:37 PMsets 5:37 PMsets 8:42 PMsets 11:32 PMsets 9:57 PMsets 7:26 PMsets 5:09 PMsets 1:37 PM
Nearest of ours
Leinesfjord262 km south-west

The land around Tromsø, shaded by its typical high in January, the planning map's own layer.The land around Tromsø, shaded by its typical high in February, the planning map's own layer.The land around Tromsø, shaded by its typical high in March, the planning map's own layer.The land around Tromsø, shaded by its typical high in April, the planning map's own layer.The land around Tromsø, shaded by its typical high in May, the planning map's own layer.The land around Tromsø, shaded by its typical high in June, the planning map's own layer.The land around Tromsø, shaded by its typical high in July, the planning map's own layer.The land around Tromsø, shaded by its typical high in August, the planning map's own layer.The land around Tromsø, shaded by its typical high in September, the planning map's own layer.The land around Tromsø, shaded by its typical high in October, the planning map's own layer.The land around Tromsø, shaded by its typical high in November, the planning map's own layer.The land around Tromsø, shaded by its typical high in December, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Through the year

week by week

Temperature

Highs from 24°F in February to 64°F in July.Highs from -4°C in February to 18°C in July.

Chance of a wet day

Wettest in September (65% of days), driest in January (51%).

Cloud cover

Clearest in July (62% cover), cloudiest in March (76%).

Daylight

No sunrise from late November to mid-January; no sunset from mid-May to late July.

Week by week, lightly smoothed. Shading marks the seasons; the olive line, the best months. Hover or tap a week for its figures.

Month by month

°F°C

Tromsø, month by month: the typical high and low, wet days a week, cloud cover and daylight.
MonthTypical low to highWet days a weekCloudDaylight
JanuaryBelow freezing
12°-11°25°-4°
4 days75%1h 34m
FebruaryBelow freezing
11°-12°24°-4°
4 days75%7h 02m
MarchBelow freezing
17°-8°30°-1°
4 days76%11h 27m
April
25°-4°38°3°
4 days70%16h 01m
May
33°1°47°8°
4 days64%22h 00m
JuneWarm season
43°6°57°14°
4 days63%24h
JulyWarm seasonAt its best
49°9°64°18°
4 days62%23h 36m
AugustWarm seasonAt its best
49°9°63°17°
4 days64%17h 54m
SeptemberWarm season
42°6°55°13°
5 days68%13h 03m
October
33°1°45°7°
4 days70%8h 34m
November
21°-6°34°1°
4 days73%3h 10m
DecemberBelow freezing
15°-9°28°-2°
4 days75%No sunrise

When is the best time to visit Tromsø?


The best months are July to August: highs near 63°F, nights near 49°F, and rain on about four days a week.The best months are July to August: highs near 17°C, nights near 9°C, and rain on about four days a week.

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

Questions


What is the warmest month in Tromsø?

July, with highs near 64°F and lows near 49°F. The coolest is February, with highs near 24°F.July, with highs near 18°C and lows near 9°C. The coolest is February, with highs near -4°C.

When does it rain most in Tromsø?

September, with rain on about five days a week. January is the driest, with rain on about four days a week.

How long are the days in Tromsø?

The sun does not rise from late November to mid-January, and does not set from mid-May to late July.

When are the skies clearest in Tromsø?

July, when cloud covers about 62% of the sky on average. March is the cloudiest, at about 76%.

Places with a year like Tromsø's

by their highs, lows and wet days

Their highs, lows, wet days and cloud run closest to Tromsø's through the year, one place a country. “Six months apart”: their winter is Tromsø's summer.

Elsewhere in Norway

All of Norway

Typical weather, averaged over 30 years (1995–2024), from the 11 km grid square nearest Tromsø. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match, and both highs and lows are adjusted for the town's height (10 m) against the climate model's (207 m).Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match, and both highs and lows are adjusted for the town's height (10 m) against the climate model's (207 m). Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.