Average annual temperature is 3.4 °C
Absolute maximum temperature: 27.0 °C
Absolute minimum temperature: -21.1 °C
Number of sunny days: 137 days
Number of rainy days: 155 days
Number of snow days: 73 days
Look at detailed online map of Gransjön
* Weather data for Gransjön Sweden is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 5.0 | 6.5 | 5.3 | 13.7 | 22.1 | 27.0 | 22.9 | 20.3 | 21.6 | 11.8 | 2.5 | 5.6 |
| Average daytime temperature (°C) | -2.0 | -0.9 | -1.1 | 5.5 | 14.5 | 20.5 | 18.3 | 17.2 | 15.5 | 3.9 | -3.6 | -5.4 |
| Average temperature (°C) | -4.1 | -3.5 | -5.0 | 0.8 | 9.1 | 15.3 | 14.5 | 13.7 | 11.9 | 1.3 | -5.7 | -8.1 |
| Average night temperature (°C) | -6.4 | -6.3 | -8.6 | -3.1 | 3.2 | 9.3 | 10.4 | 10.4 | 8.3 | -0.9 | -8.1 | -11.4 |
| Absolute minimum temperature (°C) | -13.6 | -15.9 | -14.6 | -9.5 | -5.1 | 1.9 | 6.1 | 7.6 | 2.5 | -7.7 | -18.4 | -21.1 |
| 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 | 19.0 | 19.0 | 17.0 | 14.0 | 11.0 | 8.0 | 5.0 |
| Daylight mean duration (h) | 6.2 | 8.8 | 11.8 | 14.9 | 17.8 | 19.7 | 18.8 | 16.0 | 13.0 | 9.9 | 7.0 | 5.2 |
| 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 | 5.0 |
| Sunshine mean duration (h) | 1.5 | 4.5 | 6.9 | 9.7 | 13.9 | 15.2 | 11.4 | 8.2 | 7.6 | 4.6 | 0.7 | 0.4 |
| Precipitation (mm) | 80 | 29 | 37 | 40 | 33 | 29 | 110 | 195 | 57 | 43 | 137 | 41 |
| Sunny days | 11 | 15 | 14 | 16 | 16 | 17 | 3 | 6 | 14 | 11 | 6 | 8 |
| Rainy days | 4 | 1 | 8 | 9 | 14 | 13 | 28 | 25 | 16 | 15 | 11 | 11 |
| Snow days | 16 | 12 | 9 | 5 | 1 | 0 | 0 | 0 | 0 | 5 | 13 | 12 |
The best time to visit Gransjön during the most sunny months:
Months with the longest average daylight duration in Gransjön:
The largest precipitation sum in Gransjön is at