Monthly climate guide
Tromsø weather in October
Expect cold weather in Tromsø in October: afternoons reach about 3°C (37°F), while nights drop to around -1°C (30°F). Around 105 mm of rain falls over the month (wet), and skies are often cloudy. Daytime highs are 7°C cooler than September and 4°C warmer than November.
What stands out in October
- Tromsø is usually about 2°C warmer than Alta, 170 km away, in October.
- In Tromsø, October is mid-autumn.
- Nights often drop below freezing (average low -1°C), so expect frost and icy mornings.
- Days and nights are close, only about 4°C apart.
Avg high
3°C
37°F
Avg low
-1°C
30°F
Rainfall
105 mm
wet
Humidity
94%
relative
Sky
82%
cloud · often cloudy
Tromsø weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | -6°C / 21°F | -11°C / 11°F | 89 mm | 96% | 82% |
| February | -5°C / 23°F | -11°C / 13°F | 96 mm | 95% | 83% |
| March | -3°C / 27°F | -8°C / 18°F | 135 mm | 93% | 87% |
| April | 0°C / 33°F | -5°C / 24°F | 92 mm | 92% | 82% |
| May | 6°C / 43°F | 0°C / 33°F | 92 mm | 86% | 79% |
| June | 12°C / 53°F | 5°C / 41°F | 114 mm | 81% | 81% |
| July | 16°C / 60°F | 9°C / 47°F | 104 mm | 82% | 79% |
| August | 14°C / 57°F | 8°C / 46°F | 111 mm | 85% | 79% |
| September | 10°C / 51°F | 5°C / 40°F | 110 mm | 89% | 79% |
| October | 3°C / 37°F | -1°C / 30°F | 105 mm | 94% | 82% |
| November | -1°C / 30°F | -5°C / 23°F | 120 mm | 96% | 85% |
| December | -3°C / 26°F | -8°C / 17°F | 115 mm | 96% | 86% |
What to pack for October
- A proper insulated winter coat
- A hat, scarf and gloves
- Thermal base layers and warm, grippy boots for icy mornings
- A compact umbrella or packable rain jacket
- Water-resistant shoes
Is October a good time to visit Tromsø?
Compare the months in the chart above to find your ideal window.
Best time to visit Tromsø →Other Norway cities in October
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Tromsø weather in October. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/norway/tromso/october
<a href="https://weathercompare.eu/weather/norway/tromso/october">Tromsø weather in October</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/norway/tromso" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Tromsø weather in October"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/norway/tromso/october">Tromsø weather in October</a> – WeatherCompare</p>
Tromsø in October: quick answers
Is October a good time to visit Tromsø?
October is cool in Tromsø, with highs around 3°C. Better for museums and city walks than the beach, and usually quieter.
How warm is Tromsø in October?
Average highs are about 3°C (37°F) and average lows about -1°C (30°F), based on 10 years of daily data.
Does it rain a lot in Tromsø in October?
Tromsø typically gets around 105 mm of rain in October — wet.
Figures are long-term averages for the area around Tromsø (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.