Average annual temperature is 9.2 °C
Absolute maximum temperature: 26.1 °C
Absolute minimum temperature: -11.6 °C
Number of sunny days: 132 days
Number of rainy days: 224 days
Number of snow days: 9 days
Look at detailed online map of Viken
* Weather data for Viken 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) | 9.5 | 8.9 | 12.8 | 17.6 | 24.3 | 26.1 | 25.9 | 25.1 | 25.0 | 18.7 | 12.4 | 8.8 |
| Average daytime temperature (°C) | 5.1 | 5.0 | 6.3 | 11.4 | 16.3 | 21.7 | 19.3 | 19.5 | 20.2 | 12.4 | 5.8 | 3.7 |
| Average temperature (°C) | 3.3 | 2.6 | 3.3 | 6.8 | 11.9 | 17.0 | 16.4 | 16.5 | 16.7 | 10.2 | 3.7 | 2.2 |
| Average night temperature (°C) | 1.6 | 0.1 | -0.1 | 2.2 | 7.2 | 11.9 | 13.4 | 13.6 | 13.6 | 8.0 | 1.5 | 0.4 |
| Absolute minimum temperature (°C) | -4.2 | -6.7 | -11.6 | -3.3 | 1.0 | 6.8 | 10.0 | 10.1 | 8.2 | 2.9 | -7.8 | -7.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 8.0 | 10.0 | 13.0 | 15.0 | 17.0 | 17.0 | 17.0 | 16.0 | 13.0 | 11.0 | 9.0 | 7.0 |
| Daylight mean duration (h) | 7.7 | 9.6 | 11.9 | 14.2 | 16.4 | 17.5 | 17.0 | 15.1 | 12.8 | 10.4 | 8.3 | 7.0 |
| Daylight minimum duration (h) | 7.0 | 8.0 | 10.0 | 13.0 | 15.0 | 17.0 | 16.0 | 13.0 | 11.0 | 9.0 | 7.0 | 6.0 |
| Sunshine mean duration (h) | 2.5 | 4.6 | 5.9 | 10.3 | 13.3 | 13.7 | 12.0 | 8.8 | 8.8 | 4.3 | 2.9 | 1.6 |
| Precipitation (mm) | 127 | 50 | 112 | 27 | 15 | 45 | 144 | 218 | 38 | 139 | 92 | 92 |
| Sunny days | 6 | 14 | 7 | 20 | 24 | 19 | 4 | 3 | 17 | 6 | 6 | 6 |
| Rainy days | 25 | 13 | 20 | 10 | 7 | 11 | 27 | 28 | 13 | 25 | 23 | 22 |
| Snow days | 0 | 1 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 |
The best time to visit Viken during the most sunny months:
Months with the longest average daylight duration in Viken:
The largest precipitation sum in Viken is at