Average annual temperature is 6.3 °C
Absolute maximum temperature: 28.2 °C
Absolute minimum temperature: -16.7 °C
Number of sunny days: 95 days
Number of rainy days: 206 days
Number of snow days: 64 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) | 8.2 | 8.5 | 8.8 | 17.4 | 19.9 | 28.2 | 26.3 | 24.5 | 24.0 | 13.7 | 10.4 | 8.5 |
| Average daytime temperature (°C) | 2.3 | 4.0 | 1.8 | 10.0 | 12.6 | 20.7 | 19.3 | 18.3 | 16.4 | 7.4 | 1.4 | -0.8 |
| Average temperature (°C) | -0.1 | 2.0 | -1.4 | 5.9 | 9.2 | 16.4 | 15.4 | 15.0 | 13.1 | 4.6 | -1.1 | -3.7 |
| Average night temperature (°C) | -2.3 | -0.7 | -5.7 | 1.8 | 5.7 | 11.5 | 11.7 | 11.7 | 9.9 | 2.2 | -3.4 | -7.0 |
| Absolute minimum temperature (°C) | -11.1 | -12.3 | -16.7 | -4.4 | -0.2 | 2.6 | 9.1 | 8.9 | 4.2 | -5.6 | -15.0 | -15.7 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 7.0 | 10.0 | 13.0 | 16.0 | 18.0 | 19.0 | 19.0 | 17.0 | 14.0 | 11.0 | 8.0 | 5.0 |
| Daylight mean duration (h) | 6.3 | 8.9 | 11.8 | 14.8 | 17.7 | 19.5 | 18.6 | 15.9 | 12.9 | 10.0 | 7.1 | 5.4 |
| Daylight minimum duration (h) | 5.0 | 7.0 | 10.0 | 13.0 | 16.0 | 18.0 | 17.0 | 14.0 | 11.0 | 8.0 | 5.0 | 5.0 |
| Sunshine mean duration (h) | 0.9 | 1.8 | 5.3 | 9.5 | 6.9 | 12.2 | 10.1 | 7.4 | 5.4 | 4.2 | 3.4 | 0.5 |
| Precipitation (mm) | 284 | 254 | 157 | 65 | 138 | 50 | 293 | 212 | 255 | 290 | 103 | 202 |
| Sunny days | 7 | 2 | 2 | 17 | 7 | 13 | 1 | 2 | 3 | 13 | 19 | 9 |
| Rainy days | 12 | 18 | 9 | 8 | 24 | 17 | 30 | 29 | 27 | 18 | 6 | 8 |
| Snow days | 12 | 8 | 20 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 14 |
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