Climate of Oslo, Norway
Area-weighted average across Oslo. For where people actually live and travel, see the cities below.
Oslo, a subdivision of Norway, has a seasonal climate on average. Area-weighted monthly temperatures across the whole territory range from -4.3°C / 24.3°F in January to 15.7°C / 60.3°F in July, with rainfall from 41 mm / 1.6 in to 100 mm / 3.9 in depending on the season (857 mm / 33.7 in total across the year). See the city listed below for point-value climate at specific locations — these often differ from the area-weighted average, especially in geographically diverse subdivisions.
| Month | Temperature | Rainfall | Matches |
|---|---|---|---|
| January | -4.3°C24.3°F | 59 mm2.3″ | Snowy |
| February | -4.2°C24.4°F | 41 mm1.6″ | Snowy |
| March | -0.8°C30.6°F | 59 mm2.3″ | Snowy |
| April | 3.5°C38.3°F | 48 mm1.9″ | — |
| May | 9.8°C49.6°F | 53 mm2.1″ | — |
| June | 13.7°C56.7°F | 76 mm3″ | — |
| July | 15.7°C60.3°F | 86 mm3.4″ | — |
| August | 14.5°C58.1°F | 87 mm3.4″ | — |
| September | 9.9°C49.8°F | 93 mm3.7″ | — |
| October | 5.2°C41.4°F | 100 mm3.9″ | — |
| November | 0.1°C32.2°F | 92 mm3.6″ | Snowy |
| December | -3.2°C26.2°F | 63 mm2.5″ | Snowy |
Frequently asked questions
What is the best time to visit Oslo?
Oslo, Norway does not have a clear sunny-and-dry window by our cutoffs. The warmest month is July at 15.7°C / 60.3°F, and the driest is February at 41 mm / 1.6 in — likely your best travel window. For city-level detail, see the cities section below.
What is the climate of Oslo?
Oslo, Norway has area-weighted monthly average temperatures ranging from -4.3°C / 24.3°F in January to 15.7°C / 60.3°F in July. Annual rainfall averages about 857 mm / 33.7 in, with the wettest month being October (100 mm / 3.9 in) and the driest February (41 mm / 1.6 in). Because this is an area average across the whole subdivision, local city values can differ substantially.
What is the hottest month in Oslo?
The hottest month in Oslo is July, with an area-wide average temperature of 15.7°C / 60.3°F.
What is the coldest month in Oslo?
The coldest month in Oslo is January, with an area-wide average temperature of -4.3°C / 24.3°F.
When does it rain most in Oslo?
The wettest month in Oslo is October, averaging about 100 mm / 3.9 in of rainfall. The driest is February with about 41 mm / 1.6 in.