Average annual temperature is 7.5 °C
Absolute maximum temperature: 27.3 °C
Absolute minimum temperature: -13.0 °C
Number of sunny days: 139 days
Number of rainy days: 193 days
Number of snow days: 33 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) | 6.9 | 9.7 | 11.4 | 20.7 | 24.1 | 27.3 | 25.6 | 22.9 | 24.3 | 17.5 | 8.7 | 8.3 |
| Average daytime temperature (°C) | 2.8 | 3.5 | 4.0 | 10.7 | 17.7 | 22.9 | 19.7 | 19.1 | 19.3 | 9.3 | 3.0 | 0.5 |
| Average temperature (°C) | 0.9 | 0.5 | 0.4 | 5.2 | 12.1 | 17.7 | 15.7 | 15.6 | 15.3 | 6.5 | 1.2 | -1.7 |
| Average night temperature (°C) | -1.4 | -2.3 | -3.2 | -0.2 | 5.8 | 11.2 | 11.6 | 12.4 | 11.6 | 4.0 | -0.6 | -4.8 |
| Absolute minimum temperature (°C) | -9.3 | -7.8 | -9.4 | -10.4 | -0.9 | 4.9 | 8.7 | 9.6 | 7.7 | 0.0 | -8.1 | -13.0 |
| 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 | 18.0 | 18.0 | 16.0 | 14.0 | 11.0 | 8.0 | 6.0 |
| Daylight mean duration (h) | 7.2 | 9.3 | 11.8 | 14.4 | 16.8 | 18.2 | 17.5 | 15.4 | 12.8 | 10.3 | 7.9 | 6.5 |
| Daylight minimum duration (h) | 6.0 | 8.0 | 10.0 | 13.0 | 15.0 | 17.0 | 16.0 | 14.0 | 11.0 | 9.0 | 6.0 | 6.0 |
| Sunshine mean duration (h) | 1.8 | 4.4 | 4.9 | 9.8 | 13.7 | 14.5 | 12.8 | 7.8 | 7.4 | 4.6 | 1.5 | 0.9 |
| Precipitation (mm) | 101 | 31 | 93 | 26 | 36 | 38 | 119 | 161 | 50 | 93 | 51 | 75 |
| Sunny days | 9 | 17 | 8 | 18 | 25 | 20 | 3 | 4 | 13 | 8 | 8 | 6 |
| Rainy days | 20 | 7 | 13 | 12 | 6 | 10 | 28 | 27 | 17 | 23 | 16 | 14 |
| Snow days | 2 | 4 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 11 |
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