Average annual temperature is 7.9 °C
Absolute maximum temperature: 27.4 °C
Absolute minimum temperature: -12.1 °C
Number of sunny days: 142 days
Number of rainy days: 196 days
Number of snow days: 27 days
Look at detailed online map of Trollhättan
* Weather data for Trollhättan 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) | 7.2 | 9.8 | 10.0 | 19.1 | 23.0 | 27.4 | 26.4 | 22.2 | 23.9 | 17.0 | 10.1 | 8.2 |
| Average daytime temperature (°C) | 3.4 | 4.9 | 4.3 | 10.2 | 17.7 | 22.7 | 18.9 | 19.1 | 18.9 | 9.7 | 3.7 | 0.9 |
| Average temperature (°C) | 1.8 | 1.8 | 0.9 | 5.7 | 12.2 | 17.7 | 15.4 | 15.9 | 15.4 | 7.2 | 1.7 | -1.0 |
| Average night temperature (°C) | 0.0 | -1.3 | -2.8 | 0.6 | 6.2 | 11.9 | 12.2 | 12.9 | 12.4 | 4.8 | -0.5 | -3.5 |
| Absolute minimum temperature (°C) | -4.7 | -11.3 | -12.1 | -7.6 | 0.0 | 5.9 | 9.5 | 9.7 | 10.2 | 0.3 | -8.8 | -11.2 |
| 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 | 9.4 | 11.8 | 14.4 | 16.8 | 18.1 | 17.5 | 15.3 | 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) | 1.7 | 4.3 | 4.8 | 9.7 | 13.1 | 14.2 | 11.9 | 8.4 | 7.5 | 4.8 | 1.6 | 1.3 |
| Precipitation (mm) | 108 | 44 | 107 | 21 | 51 | 41 | 173 | 122 | 80 | 103 | 45 | 75 |
| Sunny days | 9 | 14 | 8 | 20 | 19 | 20 | 3 | 3 | 13 | 11 | 11 | 11 |
| Rainy days | 20 | 11 | 14 | 10 | 12 | 10 | 28 | 28 | 17 | 20 | 13 | 13 |
| Snow days | 2 | 3 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 7 |
The best time to visit Trollhättan during the most sunny months:
Months with the longest average daylight duration in Trollhättan:
The largest precipitation sum in Trollhättan is at