Tromsø weather in December
December in Tromsø: freezing, a little rain, with clean air — one of the weakest months to visit.
#11 of 12 months in Tromsø · #589 of 604 destinations to visit in December · comfort 27/100 (tier F)
Updated June 2026 · climate normals from ERA5 reanalysis
Tromsø climate normals — December
| Daytime high | -5°C / 22°F | 🥶 freezing |
|---|---|---|
| Nighttime low | -10°C / 14°F | |
| Feels like (high) | -10°C / 14°F | |
| Rainfall | 63 mm / 2.5 in | 🌦 some rain |
| Rainy days | 12 days | |
| Humidity | 84% | 💦 very humid |
| Dew point | -12°C / 11°F | |
| Sunshine | 0 h/day | |
| Daylight | 0 h | |
| Wind | 12 km/h / 7 mph | |
| Snowfall | 53.8 cm / 21.2 in | |
| Air quality (US AQI) | 32 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Tromsø in December — FAQ
- Is December a good time to visit Tromsø?
- December in Tromsø: freezing, a little rain, with clean air — one of the weakest months to visit. It ranks #11 of 12 months for Tromsø on SeasonMap's comfort score (27/100).
- What is the weather like in Tromsø in December?
- In December, Tromsø averages a daily high of -5.5°C and a low of -10.2°C, with about 63.2 mm of rain over roughly 12.2 rainy days.
- What is the air quality in Tromsø in December?
- Tromsø has a mean US Air Quality Index of about 32 in December.
- Does it snow in Tromsø in December?
- Tromsø sees roughly 53.8 cm of snowfall in December.