Average annual temperature is 1.4 °C
Absolute maximum temperature: 26.3 °C
Absolute minimum temperature: -25.1 °C
Number of sunny days: 104 days
Number of rainy days: 149 days
Number of snow days: 112 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) | 2.9 | 4.8 | 5.3 | 10.3 | 19.4 | 26.3 | 23.5 | 18.9 | 20.2 | 11.5 | 0.9 | 2.8 |
| Average daytime temperature (°C) | -4.4 | -1.9 | -3.0 | 3.6 | 10.8 | 19.0 | 16.2 | 15.5 | 13.1 | 2.7 | -5.4 | -7.4 |
| Average temperature (°C) | -6.9 | -4.6 | -6.7 | -0.2 | 5.8 | 13.7 | 12.3 | 12.0 | 9.4 | 0.2 | -8.0 | -10.3 |
| Average night temperature (°C) | -10.1 | -8.2 | -11.2 | -4.5 | -0.3 | 7.6 | 8.3 | 8.5 | 5.4 | -2.4 | -11.0 | -14.4 |
| Absolute minimum temperature (°C) | -22.5 | -19.4 | -20.3 | -14.4 | -9.4 | 0.2 | 4.6 | 4.9 | 0.3 | -10.5 | -25.1 | -24.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 7.0 | 10.0 | 13.0 | 16.0 | 19.0 | 20.0 | 19.0 | 17.0 | 14.0 | 11.0 | 8.0 | 5.0 |
| Daylight mean duration (h) | 6.1 | 8.8 | 11.8 | 14.9 | 17.9 | 19.8 | 18.8 | 16.0 | 13.0 | 9.9 | 7.0 | 5.1 |
| Daylight minimum duration (h) | 5.0 | 7.0 | 10.0 | 13.0 | 16.0 | 19.0 | 17.0 | 14.0 | 11.0 | 8.0 | 5.0 | 4.0 |
| Sunshine mean duration (h) | 0.8 | 2.9 | 6.9 | 7.5 | 10.6 | 12.3 | 9.7 | 7.9 | 6.7 | 4.3 | 0.7 | 0.4 |
| Precipitation (mm) | 59 | 47 | 56 | 69 | 47 | 56 | 151 | 162 | 86 | 63 | 43 | 43 |
| Sunny days | 8 | 8 | 6 | 12 | 12 | 11 | 4 | 3 | 7 | 12 | 12 | 9 |
| Rainy days | 5 | 3 | 0 | 7 | 15 | 18 | 27 | 28 | 23 | 14 | 7 | 2 |
| Snow days | 18 | 17 | 25 | 11 | 4 | 1 | 0 | 0 | 0 | 5 | 11 | 20 |
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