Oslo Weather in January
In January, Oslo averages a high of 0°C (31°F) and a low of -5°C (22°F), from 56 years of daily records (1971–2026).
0°C
Average high
31°F
-5°C
Average low
22°F
13°C
Record high
55°F · January 5, 1973
-24°C
Record low
-12°F · January 1, 1979
What January Is Like in Oslo
- The January heat record, 13°C (55°F) on January 5, 1973, has stood for 53 years.
- January in Oslo has become 1.5°C (2.8°F) warmer on average: the 2012–2026 average against 1970–1989.
- The coldest January reading, -24°C (-12°F) on January 1, 1979, has not been matched in 47 years.
- January is Oslo's coldest month of the year.
At least 1 mm of rain falls on 32% of January days, and the month averages 56 mm in total.
Warmest: 1989 (5.1°C)Latest: 2026 (-3.3°C)10-year averageLong-run average (-0.5°C)
Look Up a Day in January
See the weather in Oslo on any January date, year by year.
Source: NOAA GHCN-Daily, Oslo Blindern (1971–2026). Averages cover 1971–2026. How we compute this