Average annual temperature is 3.4 °C
Absolute maximum temperature: 25.8 °C
Absolute minimum temperature: -22.6 °C
Number of sunny days: 127 days
Number of rainy days: 154 days
Number of snow days: 84 days
Look at detailed online map of Rollag
* Weather data for Rollag 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) | 5.5 | 6.6 | 5.1 | 14.0 | 22.5 | 25.8 | 23.5 | 20.6 | 22.5 | 13.6 | 4.8 | 6.4 |
| Average daytime temperature (°C) | -3.1 | 1.6 | -0.4 | 5.9 | 12.5 | 20.9 | 16.8 | 16.6 | 15.6 | 5.4 | -1.9 | -5.0 |
| Average temperature (°C) | -5.8 | -2.1 | -4.6 | 1.5 | 7.4 | 15.9 | 13.3 | 13.0 | 11.5 | 2.6 | -3.9 | -7.7 |
| Average night temperature (°C) | -8.6 | -5.4 | -8.7 | -3.1 | 1.3 | 9.9 | 9.6 | 9.8 | 7.5 | 0.1 | -6.5 | -10.8 |
| Absolute minimum temperature (°C) | -22.6 | -12.5 | -19.1 | -12.9 | -7.2 | 2.7 | 7.2 | 6.6 | 1.9 | -3.8 | -17.3 | -18.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 7.0 | 10.0 | 13.0 | 15.0 | 18.0 | 18.0 | 18.0 | 16.0 | 14.0 | 11.0 | 8.0 | 6.0 |
| Daylight mean duration (h) | 6.9 | 9.2 | 11.8 | 14.6 | 17.2 | 18.7 | 17.9 | 15.6 | 12.9 | 10.1 | 7.6 | 6.1 |
| Daylight minimum duration (h) | 6.0 | 7.0 | 10.0 | 13.0 | 15.0 | 18.0 | 16.0 | 14.0 | 11.0 | 8.0 | 6.0 | 5.0 |
| Sunshine mean duration (h) | 2.2 | 5.5 | 6.3 | 8.2 | 11.6 | 13.1 | 10.0 | 7.6 | 7.0 | 4.2 | 1.4 | 1.1 |
| Precipitation (mm) | 165 | 47 | 72 | 126 | 50 | 75 | 213 | 237 | 140 | 62 | 111 | 73 |
| Sunny days | 9 | 14 | 8 | 16 | 19 | 17 | 3 | 3 | 11 | 12 | 7 | 8 |
| Rainy days | 4 | 2 | 6 | 9 | 11 | 13 | 28 | 28 | 19 | 13 | 11 | 10 |
| Snow days | 18 | 12 | 17 | 5 | 1 | 0 | 0 | 0 | 0 | 6 | 12 | 13 |
The best time to visit Rollag during the most sunny months:
Months with the longest average daylight duration in Rollag:
The largest precipitation sum in Rollag is at