Tromsø weather in October
October in Tromsø: cold, rainy, with clean air — a fair time to visit.
#7 of 12 months in Tromsø · #588 of 604 destinations to visit in October · comfort 51/100 (tier D)
Updated June 2026 · climate normals from ERA5 reanalysis
Tromsø climate normals — October
| Daytime high | 4°C / 39°F | 🧥 cold |
|---|---|---|
| Nighttime low | 0°C / 31°F | |
| Feels like (high) | 1°C / 34°F | |
| Rainfall | 98 mm / 3.9 in | 🌧 rainy |
| Rainy days | 17 days | |
| Humidity | 91% | 💦 very humid |
| Dew point | 1°C / 33°F | |
| Sunshine | 3.3 h/day | |
| Daylight | 9 h | |
| Wind | 12 km/h / 7 mph | |
| Snowfall | 24.3 cm / 9.6 in | |
| Air quality (US AQI) | 27 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Tromsø?
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Tromsø in October — FAQ
- Is October a good time to visit Tromsø?
- October in Tromsø: cold, rainy, with clean air — a fair time to visit. It ranks #7 of 12 months for Tromsø on SeasonMap's comfort score (51/100).
- What is the weather like in Tromsø in October?
- In October, Tromsø averages a daily high of 3.7°C and a low of -0.5°C, with about 97.9 mm of rain over roughly 17.4 rainy days.
- What is the air quality in Tromsø in October?
- Tromsø has a mean US Air Quality Index of about 27 in October.
- Does it snow in Tromsø in October?
- Tromsø sees roughly 24.3 cm of snowfall in October.