Oslo
Norway
| Season | Autumn | Winter | Spring | Summer | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Year |
| Record high, °C | 17 | 16 | 10 | 7 | 6 | 8 | 10 | 17 | 21 | 28 | 28 | 26 | 28 |
| Average high, °C | 9 | 5 | 1 | -1 | -1 | -1 | 1 | 4 | 10 | 13 | 15 | 13 | 6 |
| Average temperature, °C | 10 | 7 | 2 | -1 | -2 | -1 | 1 | 5 | 11 | 14 | 15 | 14 | 6 |
| Average low, °C | 5 | 2 | -1 | -3 | -3 | -3 | -2 | 0 | 5 | 8 | 10 | 8 | 2 |
| Record low, °C | -1 | -7 | -13 | -13 | -20 | -12 | -12 | -8 | -1 | 0 | 3 | 3 | -20 |
| Rain, days | 29 | 25 | 17 | 11 | 11 | 10 | 11 | 15 | 27 | 28 | 28 | 28 | 240 |
| Snow, days | 1 | 7 | 18 | 24 | 26 | 23 | 26 | 15 | 6 | 0 | 0 | 0 | 146 |
| Fog, days | 4 | 5 | 7 | 7 | 5 | 3 | 5 | 6 | 5 | 4 | 5 | 7 | 63 |
| Thunderstorms, days | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 4 |
| Average precipitation, mm. | 125 | 131 | 120 | 125 | 105 | 68 | 79 | 38 | 43 | 55 | 60 | 76 | 1025 |
| Relative humidity morning, % | 84 | 80 | 80 | 83 | 81 | 77 | 79 | 72 | 72 | 76 | 80 | 86 | 79 |
| Relative humidity evening, % | 70 | 71 | 77 | 81 | 79 | 69 | 67 | 56 | 53 | 54 | 55 | 66 | 67 |
| Wind speed, km/h | 16 | 17 | 17 | 17 | 20 | 19 | 19 | 9 | 8 | 8 | 6 | 6 | 14 |
| Day Length, часов | 14 | 11 | 8 | 7 | 8 | 10 | 13 | 16 | 19 | 22 | 20 | 17 | 14 |
| Dew point, °C | 3 | 0 | -3 | -5 | -6 | -6 | -5 | -4 | 0 | 3 | 6 | 6 | -11 |
| Growing degree-day, °C | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 120 | 155 | 124 | 415 |
| Solar radiation, global, Mj/m2 | 8 | 4 | 2 | 1 | 1 | 3 | 6 | 11 | 16 | 18 | 16 | 12 | 8 |