🇳🇴 Weather in Tromsø in October
This is what the weather in Tromsø (Northern Norway, Norway) was like in October in 2016–2025.
Key facts at a glance
Avg. daytime high
3.0 °C
0.5 °C – 4.2 °C
Avg. night-time low
-0.7 °C
-3.9 °C – 0.7 °C
Avg. rain days in period
17.8
57 % of days · ≥ 1.0 mm
Avg. precipitation in period
103 mm
64.0 mm – 176 mm
Avg. cloud cover
78 %
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 11.8 °C (4 Oct 2021) · Lowest temperature -11.4 °C (27 Oct 2019) · Avg. daily peak wind 12 km/h
Weather mix of all days
- 5Sunny
- 67Partly cloudy
- 60Cloudy
- 94Light rain
- 84Rain
Summary
- On average 3.0 °C during the day and -0.7 °C at night.
- On average 17.8 rain days (Rain day = at least 1.0 mm of precipitation) with 103 mm of precipitation in total.
- Prevailing: Light rain.
- Warmest year: 2022 (avg. 4.2 °C), coolest: 2019 (avg. 0.5 °C).
- Wettest year: 2024 (176 mm), driest: 2016 (64.0 mm).
- Extremes: 11.8 °C on 4 Oct 2021 and -11.4 °C on 27 Oct 2019.
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
2025
Avg. max4.1°Avg. min0.4°- Rain days
- 18 Rain days
- Precipitation
- 120 mm
- Avg. cloud cover
- 74 % cloudy
- Sea temperature
- –
Max 11.4 °C · Min -5.1 °C
2024
Avg. max4.1°Avg. min0.7°- Rain days
- 26 Rain days
- Precipitation
- 176 mm
- Avg. cloud cover
- 78 % cloudy
- Sea temperature
- –
Max 9.8 °C · Min -4.9 °C
2023
Avg. max0.7°Avg. min-3.2°- Rain days
- 19 Rain days
- Precipitation
- 97.9 mm
- Avg. cloud cover
- 70 % cloudy
- Sea temperature
- –
Max 7.8 °C · Min -10.4 °C
2022
Avg. max4.2°Avg. min0.5°- Rain days
- 24 Rain days
- Precipitation
- 166 mm
- Avg. cloud cover
- 75 % cloudy
- Sea temperature
- –
Max 8.1 °C · Min -5.4 °C
2021
Avg. max2.8°Avg. min-0.6°- Rain days
- 19 Rain days
- Precipitation
- 84.3 mm
- Avg. cloud cover
- 90 % cloudy
- Sea temperature
- –
Max 11.8 °C · Min -6.9 °C
2020
Avg. max3.7°Avg. min-0.6°- Rain days
- 15 Rain days
- Precipitation
- 68.1 mm
- Avg. cloud cover
- 76 % cloudy
- Sea temperature
- –
Max 11.6 °C · Min -9.5 °C
2019
Avg. max0.5°Avg. min-3.9°- Rain days
- 15 Rain days
- Precipitation
- 65.0 mm
- Avg. cloud cover
- 81 % cloudy
- Sea temperature
- –
Max 5.8 °C · Min -11.4 °C
2018
Avg. max3.1°Avg. min-0.2°- Rain days
- 20 Rain days
- Precipitation
- 102 mm
- Avg. cloud cover
- 87 % cloudy
- Sea temperature
- –
Max 10.5 °C · Min -7.9 °C
2017
Avg. max3.5°Avg. min-0.4°- Rain days
- 11 Rain days
- Precipitation
- 84.8 mm
- Avg. cloud cover
- 75 % cloudy
- Sea temperature
- –
Max 11.8 °C · Min -8.4 °C
2016
Avg. max3.8°Avg. min-0.1°- Rain days
- 11 Rain days
- Precipitation
- 64.0 mm
- Avg. cloud cover
- 74 % cloudy
- Sea temperature
- –
Max 9.0 °C · Min -5.5 °C
Frequently asked questions
- How warm is it in Tromsø in October?
- Daytime highs averaged 3.0 °C, night-time lows -0.7 °C. The highest value of the past 10 years was 11.8 °C (4 Oct 2021), the lowest -11.4 °C (27 Oct 2019).
- How often does it rain in Tromsø in October?
- On average there were 17.8 rain days (at least 1 mm) with 103 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 October
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)