Average annual temperature is 7.8 °C
Absolute maximum temperature: 27.5 °C
Absolute minimum temperature: -12.6 °C
Number of sunny days: 135 days
Number of rainy days: 197 days
Number of snow days: 33 days
Look at detailed online map of Siene
* Weather data for Siene 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) | 6.8 | 9.4 | 9.9 | 19.6 | 23.3 | 27.5 | 25.2 | 22.8 | 24.5 | 16.8 | 10.0 | 7.9 |
| Average daytime temperature (°C) | 3.2 | 4.2 | 4.2 | 11.1 | 18.0 | 23.0 | 18.4 | 18.9 | 19.1 | 9.7 | 3.5 | 1.1 |
| Average temperature (°C) | 1.6 | 1.3 | 0.9 | 6.0 | 12.1 | 17.6 | 15.1 | 15.6 | 15.5 | 7.2 | 1.6 | -0.8 |
| Average night temperature (°C) | -0.2 | -1.6 | -2.5 | 0.8 | 6.3 | 11.4 | 11.9 | 12.6 | 12.4 | 4.8 | -0.4 | -3.1 |
| Absolute minimum temperature (°C) | -6.6 | -11.5 | -12.6 | -5.7 | -0.6 | 5.6 | 10.0 | 9.6 | 8.6 | -0.7 | -8.2 | -11.0 |
| 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) | 7.3 | 9.4 | 11.8 | 14.4 | 16.7 | 18.1 | 17.4 | 15.3 | 12.8 | 10.3 | 7.9 | 6.6 |
| Daylight minimum duration (h) | 6.0 | 8.0 | 10.0 | 13.0 | 15.0 | 17.0 | 16.0 | 14.0 | 11.0 | 9.0 | 7.0 | 6.0 |
| Sunshine mean duration (h) | 1.5 | 4.3 | 4.4 | 9.7 | 13.0 | 14.3 | 11.8 | 7.6 | 7.7 | 4.4 | 1.2 | 1.1 |
| Precipitation (mm) | 110 | 41 | 108 | 19 | 50 | 38 | 204 | 134 | 81 | 119 | 48 | 70 |
| Sunny days | 8 | 15 | 6 | 19 | 21 | 20 | 3 | 5 | 10 | 9 | 9 | 10 |
| Rainy days | 21 | 9 | 14 | 11 | 10 | 10 | 28 | 26 | 20 | 22 | 14 | 12 |
| Snow days | 2 | 4 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 9 |
The best time to visit Siene during the most sunny months:
Months with the longest average daylight duration in Siene:
The largest precipitation sum in Siene is at