Norway
Tromsø in January: weather, sea & travel advice
This month's data profile
Rain shapes the decision
Tromsø in January is climatically mixed. The average daily high is around -5 °C, and the sea is about 5 °C. With about 19 rainy days it is very wet.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
9/100 · #11
Warmth
#12
Dryness
#7
Sun
#11
Sea warmth
#9
Published best categories: none
Tromsø · JanuaryPhoto: Bernt Rostad from Oslo, Norway · CC BY 2.0Climate facts
- Average high
- -5 °C
- Average low
- -10 °C
- Sea
- 5 °C
- Rainy days (est.)
- 19 rainy days (est.)
- Sun (est.)
- 0 h/day
- Humidity
- 95 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|---|
| December | -4 | -9 | 19 | 128 | 0.0 | 96 | 2.3 | 6 | 9 |
| January (selected) | -5 | -10 | 19 | 130 | 0.0 | 95 | 2.6 | 5 | 9 |
| February | -5 | -10 | 17 | 114 | 0.3 | 95 | 2.5 | 4 | 12 |
How do the previous and next months compare?
Baseline: January (9/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | Sea Δ | |
|---|---|---|---|---|---|---|---|---|---|
| December | ±0 | +1.2 °C | +1.5 °C | +1 | -1.5 mm | ±0 h | +0.5 % | -0.3 m/s | +1 °C |
| February | +3 | +0.1 °C | -0.1 °C | -1.3 | -15.3 mm | +0.3 h | -0.4 % | -0.1 m/s | -0.8 °C |
All twelve months in context
Find a place to stay
Where to stay in Tromsø
Compare available stays, prices and cancellation terms for Tromsø on Booking.com.
Booking.comFind places to stayAffiliate link: there is no extra cost to you.
Useful next decisions
Frequently asked questions
How warm is Tromsø in January?
The average daily high is around -5 °C, with an average daily low of about -10 °C.
Can you swim in Tromsø in January?
The sea is about 5 °C (cold).
Does it rain a lot in Tromsø in January?
The curated estimate is about 19 rainy days per month, not a directly measured long-term average. Total precipitation averages around 130 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Tromsø?
No month in Tromsø reaches the threshold for a clear recommendation in the climate score; the month comparison above shows the differences.