Average annual temperature is 15.4 °C
Absolute maximum temperature: 34.5 °C
Absolute minimum temperature: -1.2 °C
Number of sunny days: 169 days
Number of rainy days: 196 days
Look at detailed online map of Piran
* Weather data for Piran Slovenia is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 14.0 | 15.5 | 18.1 | 22.4 | 26.7 | 32.1 | 34.5 | 34.3 | 29.8 | 25.9 | 19.1 | 18.5 |
| Average daytime temperature (°C) | 9.9 | 10.5 | 14.3 | 15.8 | 21.7 | 26.2 | 29.0 | 28.7 | 26.2 | 22.1 | 14.6 | 12.1 |
| Average temperature (°C) | 7.2 | 6.0 | 10.3 | 11.7 | 17.8 | 22.1 | 24.7 | 24.2 | 21.8 | 18.2 | 11.3 | 8.6 |
| Average night temperature (°C) | 5.0 | 2.6 | 6.7 | 7.4 | 14.3 | 17.9 | 20.5 | 20.3 | 18.2 | 14.9 | 8.2 | 5.4 |
| Absolute minimum temperature (°C) | -1.2 | -1.2 | 2.4 | 1.5 | 10.6 | 15.4 | 16.1 | 14.8 | 16.0 | 8.3 | 1.7 | -0.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 |
| Daylight mean duration (h) | 9.2 | 10.4 | 11.9 | 13.5 | 14.9 | 15.6 | 15.3 | 14.1 | 12.5 | 10.9 | 9.5 | 8.8 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 8.0 |
| Sunshine mean duration (h) | 4.6 | 7.4 | 8.5 | 9.1 | 10.7 | 12.9 | 12.6 | 10.9 | 10.6 | 7.8 | 6.1 | 5.0 |
| Precipitation (mm) | 116 | 34 | 95 | 80 | 136 | 101 | 184 | 227 | 83 | 275 | 181 | 106 |
| Sunny days | 12 | 21 | 15 | 11 | 15 | 14 | 12 | 19 | 20 | 13 | 6 | 11 |
| Rainy days | 19 | 7 | 16 | 19 | 16 | 16 | 19 | 12 | 10 | 18 | 24 | 20 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Piran during the most sunny months:
Months with the longest average daylight duration in Piran:
The largest precipitation sum in Piran is at