Clear skies and the midnight sun mean most of Oslo´s summer is spent outdoors. Overlooking the city the pine-clad slopes of Holmenkollen boast panoramic views as well as hiking and mountain biking, while in winter you can ski back down into town.
| Avg. temp. |
Sunshine daily avg. |
Rainfall | Humidity | |
| Jan | -2.4 | 1.5 | 49 | 69 |
| Feb | -1.1 | 3 | 35 | 64 |
| Mar | 3.8 | 4.9 | 26 | 56 |
| Apr | 9.8 | 6.1 | 44 | 54 |
| May | 15.9 | 7.5 | 44 | 51 |
| Jun | 19.9 | 8.1 | 71 | 53 |
| Jul | 22.3 | 7.1 | 84 | 56 |
| Aug | 20.9 | 5.9 | 96 | 56 |
| Sep | 15.7 | 4.6 | 83 | 59 |
| Oct | 9.1 | 2.8 | 76 | 66 |
| Nov | 3.2 | 1.4 | 69 | 75 |
| Dec | 0.1 | 0.8 | 63 | 73 |
| coldest | hottest | ||||