Tromsø weather in October
Temperature, sea and sunshine in October: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in October
Poor
Best time to visit: July
What is the weather like in Tromsø in October?
In October, Tromsø is cold: daytime highs average 5 °C, and nights cool down to about 0 °C. The sea averages 8.9 °C – swimming is only for the hardy. The sun is scarce, with only about 3 hours a day. It rains often – on about 17 days, adding up to 122 mm. Snow falls on about 6 days. All in all, October is not an ideal month for a holiday in Tromsø.
October compared
How the weather changes from September to November. Tap a month to open it.
| SeptemberSep | OctoberOct | NovemberNov | |
|---|---|---|---|
| Score | 21 | 2 | 7 |
| Day | 11° | 5° | −1° |
| Night | 6° | 0° | −5° |
| Sea | 10° | 9° | 8° |
| Sun | 4 h | 3 h | 0 h |
| Rain days | 17 | 17 | 15 |
More details for October
- Daylight
- 9 h 18 min07:51 – 17:09
- UV index
- 0 · lowclear sky, noon (estimate)
- Muggy days
- 0 daysdew point 18 °C or more
- Wind
- 15 km/haverage daily peak
- Cloud cover
- 76 %on average
- Hot days
- 0 days30 °C or more
- Snow days
- 6 days1 cm or more of fresh snow
- Time zone
- UTC+2Europe/Oslo
How the score comes together
- Temperatureweight 50 %0 %
- Sunshineweight 20 %0 %
- Few rainy daysweight 30 %7 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Nature escape”.
What to pack in October
- Warm jacket
- Hat, scarf & gloves
- Rain jacket or umbrella
Tromsø in October: quick answers
Is Tromsø hot in October?
No. In October, Tromsø is cold: daytime highs average 5 °C and nights drop to about 0 °C.
Can you swim in Tromsø in October?
Only if you don't mind cold water: in October the sea averages just 8.9 °C. Comfortable swimming temperatures are not reached at any time of year.
Does it rain much in Tromsø in October?
It rains often – on about 17 days, adding up to 122 mm.
Tromsø month by month
The whole year in TromsøAll destinations: Norway
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)