🇳🇴 Weather in Tromsø in January
This is what the weather in Tromsø (Northern Norway, Norway) was like in January in 2017–2026.
Key facts at a glance
Avg. daytime high
-5.3 °C
-9.2 °C – -2.8 °C
Avg. night-time low
-10.4 °C
-15.2 °C – -7.5 °C
Avg. rain days in period
18.1
58 % of days · ≥ 1.0 mm
Avg. precipitation in period
124 mm
42.8 mm – 209 mm
Avg. cloud cover
76 %
This data source has no sunshine hours – average cloud cover shown instead.
Avg. sea temperature
–
Sea temperature unavailable for today (daily limit).
Extremes: Highest temperature 2.1 °C (29 Jan 2024) · Lowest temperature -23.1 °C (4 Jan 2017) · Avg. daily peak wind 20 km/h
Weather mix of all days
- 16Sunny
- 51Partly cloudy
- 62Cloudy
- 90Light rain
- 91Rain
Summary
- On average -5.3 °C during the day and -10.4 °C at night.
- On average 18.1 rain days (Rain day = at least 1.0 mm of precipitation) with 124 mm of precipitation in total.
- Prevailing: Rain.
- Warmest year: 2017 (avg. -2.8 °C), coolest: 2026 (avg. -9.2 °C).
- Wettest year: 2022 (209 mm), driest: 2018 (42.8 mm).
- Extremes: 2.1 °C on 29 Jan 2024 and -23.1 °C on 4 Jan 2017.
Overall values from all 10 years. How is this calculated?
Charts
Temperatures per year
Average over your travel period
Precipitation & rain days
Year by year
2026
Avg. max-9.2°Avg. min-15.2°- Rain days
- 11 Rain days
- Precipitation
- 54.7 mm
- Avg. cloud cover
- 45 % cloudy
- Sea temperature
- –
Max 1.2 °C · Min -21.0 °C
2025
Avg. max-3.8°Avg. min-9.7°- Rain days
- 18 Rain days
- Precipitation
- 170 mm
- Avg. cloud cover
- 70 % cloudy
- Sea temperature
- –
Max 1.8 °C · Min -19.7 °C
2024
Avg. max-6.0°Avg. min-11.8°- Rain days
- 19 Rain days
- Precipitation
- 166 mm
- Avg. cloud cover
- 73 % cloudy
- Sea temperature
- –
Max 2.1 °C · Min -21.8 °C
2023
Avg. max-3.6°Avg. min-8.2°- Rain days
- 21 Rain days
- Precipitation
- 103 mm
- Avg. cloud cover
- 67 % cloudy
- Sea temperature
- –
Max 1.9 °C · Min -21.0 °C
2022
Avg. max-3.6°Avg. min-8.3°- Rain days
- 26 Rain days
- Precipitation
- 209 mm
- Avg. cloud cover
- 86 % cloudy
- Sea temperature
- –
Max 1.9 °C · Min -17.1 °C
2021
Avg. max-6.9°Avg. min-11.4°- Rain days
- 11 Rain days
- Precipitation
- 43.2 mm
- Avg. cloud cover
- 80 % cloudy
- Sea temperature
- –
Max 1.3 °C · Min -19.1 °C
2020
Avg. max-3.0°Avg. min-7.5°- Rain days
- 22 Rain days
- Precipitation
- 166 mm
- Avg. cloud cover
- 90 % cloudy
- Sea temperature
- –
Max 2.0 °C · Min -18.3 °C
2019
Avg. max-6.4°Avg. min-10.8°- Rain days
- 18 Rain days
- Precipitation
- 131 mm
- Avg. cloud cover
- 82 % cloudy
- Sea temperature
- –
Max 1.3 °C · Min -21.3 °C
2018
Avg. max-7.8°Avg. min-13.2°- Rain days
- 11 Rain days
- Precipitation
- 42.8 mm
- Avg. cloud cover
- 79 % cloudy
- Sea temperature
- –
Max 1.3 °C · Min -19.2 °C
2017
Avg. max-2.8°Avg. min-8.2°- Rain days
- 24 Rain days
- Precipitation
- 156 mm
- Avg. cloud cover
- 87 % cloudy
- Sea temperature
- –
Max 1.8 °C · Min -23.1 °C
Frequently asked questions
- How warm is it in Tromsø in January?
- Daytime highs averaged -5.3 °C, night-time lows -10.4 °C. The highest value of the past 10 years was 2.1 °C (29 Jan 2024), the lowest -23.1 °C (4 Jan 2017).
- How often does it rain in Tromsø in January?
- On average there were 18.1 rain days (at least 1 mm) with 124 mm of precipitation in total.
Check your exact travel dates
Choose your travel period – we show the weather for exactly those days.
Other destinations in January
Data sources
- Weather data
- Data obtained from the NASA Langley Research Center (LaRC) POWER Project funded through the NASA Earth Science/Applied Science Program
Reanalysis (weather model constrained by observations) on a coarse grid of about 50 km. Values represent a large area and can differ from local conditions, especially on islands, coasts and in mountains. No sunshine duration.
Reanalysis (weather model constrained by observations)
Reanalysis values represent a grid cell (approx. 25–50 km) and may differ from local measurements on coasts, islands and in mountains. - Sea temperature
- MUR SST data were provided by JPL under support by NASA MEaSUREs program; accessed via NOAA CoastWatch ERDDAP
Daily multi-scale ultra-high resolution (≈ 1 km) analysis of satellite measurements (infrared, microwave) and in-situ data. Represents the foundation temperature below the daily warm surface layer. (Satellite and in-situ analysis) - Place search
- Natural Earth (public domain) · GeoNames (CC BY 4.0) / OpenStreetMap (ODbL)