Oslo weather in January
January in Oslo: freezing, a little rain, with clean air — one of the weakest months to visit.
#11 of 12 months in Oslo · #558 of 604 destinations to visit in January · comfort 33/100 (tier F)
Updated June 2026 · climate normals from ERA5 reanalysis
Oslo climate normals — January
| Daytime high | -1°C / 30°F | 🥶 freezing |
|---|---|---|
| Nighttime low | -6°C / 22°F | |
| Feels like (high) | -5°C / 23°F | |
| Rainfall | 72 mm / 2.8 in | 🌦 some rain |
| Rainy days | 10 days | |
| Humidity | 87% | 💦 very humid |
| Dew point | -4°C / 24°F | |
| Sunshine | 2.4 h/day | |
| Daylight | 6.9 h | |
| Wind | 15 km/h / 9 mph | |
| Snowfall | 44 cm / 17.3 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 January — FAQ
- Is January a good time to visit Oslo?
- January in Oslo: freezing, a little rain, with clean air — one of the weakest months to visit. It ranks #11 of 12 months for Oslo on SeasonMap's comfort score (33/100).
- What is the weather like in Oslo in January?
- In January, Oslo averages a daily high of -0.9°C and a low of -5.6°C, with about 72 mm of rain over roughly 10.4 rainy days.
- What is the air quality in Oslo in January?
- Oslo has a mean US Air Quality Index of about 34 in January.
- Does it snow in Oslo in January?
- Oslo sees roughly 44 cm of snowfall in January.