Oslo weather in December
December in Oslo: freezing, rainy, with clean air — one of the weakest months to visit.
#12 of 12 months in Oslo · #580 of 604 destinations to visit in December · comfort 29/100 (tier F)
Updated June 2026 · climate normals from ERA5 reanalysis
Oslo climate normals — December
| Daytime high | -1°C / 30°F | 🥶 freezing |
|---|---|---|
| Nighttime low | -5°C / 24°F | |
| Feels like (high) | -5°C / 23°F | |
| Rainfall | 96 mm / 3.8 in | 🌧 rainy |
| Rainy days | 15 days | |
| Humidity | 87% | 💦 very humid |
| Dew point | -7°C / 19°F | |
| Sunshine | 1.2 h/day | |
| Daylight | 6.1 h | |
| Wind | 13 km/h / 8 mph | |
| Snowfall | 54 cm / 21.3 in | |
| Air quality (US AQI) | 34 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Oslo in December — FAQ
- Is December a good time to visit Oslo?
- December in Oslo: freezing, rainy, with clean air — one of the weakest months to visit. It ranks #12 of 12 months for Oslo on SeasonMap's comfort score (29/100).
- What is the weather like in Oslo in December?
- In December, Oslo averages a daily high of -0.9°C and a low of -4.7°C, with about 96.1 mm of rain over roughly 15 rainy days.
- What is the air quality in Oslo in December?
- Oslo has a mean US Air Quality Index of about 34 in December.
- Does it snow in Oslo in December?
- Oslo sees roughly 54 cm of snowfall in December.