Average annual temperature is 4.7 °C
Absolute maximum temperature: 27.3 °C
Absolute minimum temperature: -12.1 °C
Number of sunny days: 104 days
Number of rainy days: 190 days
Number of snow days: 71 days
Look at detailed online map of Os
* Weather data for Os Norway is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 6.7 | 8.9 | 4.2 | 9.6 | 18.5 | 24.6 | 25.0 | 27.3 | 20.5 | 9.1 | 3.7 | 4.3 |
| Average daytime temperature (°C) | 1.0 | 2.5 | -2.1 | 5.4 | 8.8 | 14.3 | 17.8 | 18.1 | 12.4 | 4.3 | -0.5 | -2.3 |
| Average temperature (°C) | -0.6 | 0.6 | -4.2 | 3.5 | 6.5 | 11.7 | 15.4 | 15.4 | 10.7 | 2.8 | -2.1 | -3.9 |
| Average night temperature (°C) | -2.1 | -1.1 | -7.2 | 1.1 | 4.1 | 8.6 | 12.3 | 12.8 | 9.0 | 1.2 | -3.8 | -5.4 |
| Absolute minimum temperature (°C) | -7.7 | -6.9 | -12.1 | -6.8 | -2.1 | 1.4 | 8.5 | 8.2 | 4.8 | -3.4 | -9.6 | -9.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 5.0 | 9.0 | 13.0 | 17.0 | 24.0 | 24.0 | 24.0 | 19.0 | 15.0 | 11.0 | 7.0 | 2.0 |
| Daylight mean duration (h) | 3.7 | 7.9 | 11.7 | 15.7 | 20.4 | 24.0 | 22.4 | 17.2 | 13.2 | 9.3 | 5.2 | 1.0 |
| Daylight minimum duration (h) | 1.0 | 6.0 | 9.0 | 13.0 | 17.0 | 24.0 | 19.0 | 15.0 | 11.0 | 7.0 | 3.0 | 0.0 |
| Sunshine mean duration (h) | 0.2 | 2.2 | 7.1 | 7.9 | 6.4 | 10.7 | 14.0 | 10.7 | 3.4 | 4.0 | 1.5 | 0.0 |
| Precipitation (mm) | 184 | 242 | 121 | 107 | 216 | 140 | 46 | 95 | 326 | 135 | 65 | 149 |
| Sunny days | 5 | 4 | 6 | 10 | 2 | 10 | 11 | 9 | 0 | 12 | 20 | 15 |
| Rainy days | 12 | 14 | 1 | 14 | 27 | 20 | 20 | 22 | 30 | 18 | 6 | 6 |
| Snow days | 14 | 10 | 24 | 6 | 2 | 0 | 0 | 0 | 0 | 1 | 4 | 10 |
The best time to visit Os during the most sunny months:
Months with the longest average daylight duration in Os:
The largest precipitation sum in Os is at