Average annual temperature is 11.9 °C
Absolute maximum temperature: 35.1 °C
Absolute minimum temperature: -10.2 °C
Number of sunny days: 124 days
Number of rainy days: 231 days
Number of snow days: 10 days
Look at detailed online map of Porrentruy
* Weather data for Porrentruy Switzerland is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 18.4 | 14.7 | 20.5 | 19.4 | 23.6 | 29.7 | 34.2 | 35.1 | 30.6 | 27.3 | 17.0 | 12.8 |
| Average daytime temperature (°C) | 6.0 | 8.0 | 11.5 | 12.3 | 17.9 | 25.3 | 24.8 | 24.9 | 24.8 | 19.0 | 9.5 | 7.9 |
| Average temperature (°C) | 3.5 | 3.8 | 7.4 | 8.2 | 13.6 | 20.1 | 20.2 | 20.3 | 19.1 | 14.3 | 7.0 | 5.4 |
| Average night temperature (°C) | 0.7 | 0.2 | 3.1 | 4.1 | 9.3 | 14.0 | 15.4 | 15.9 | 13.9 | 9.8 | 4.4 | 2.9 |
| Absolute minimum temperature (°C) | -10.2 | -5.1 | -3.4 | -3.4 | 4.6 | 10.9 | 11.3 | 10.2 | 6.7 | 3.6 | -2.7 | -5.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 10.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 |
| Daylight mean duration (h) | 9.0 | 10.3 | 11.9 | 13.6 | 15.1 | 15.9 | 15.5 | 14.2 | 12.6 | 10.9 | 9.3 | 8.5 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 2.6 | 5.7 | 6.9 | 7.2 | 10.2 | 13.7 | 11.7 | 10.1 | 10.2 | 6.9 | 3.2 | 2.9 |
| Precipitation (mm) | 91 | 22 | 122 | 108 | 100 | 37 | 113 | 85 | 57 | 132 | 203 | 155 |
| Sunny days | 4 | 13 | 11 | 7 | 10 | 15 | 7 | 11 | 18 | 14 | 3 | 11 |
| Rainy days | 19 | 13 | 20 | 23 | 21 | 15 | 24 | 20 | 12 | 17 | 27 | 20 |
| Snow days | 8 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Porrentruy during the most sunny months:
Months with the longest average daylight duration in Porrentruy:
The largest precipitation sum in Porrentruy is at