Average annual temperature is 12.6 °C
Absolute maximum temperature: 33.4 °C
Absolute minimum temperature: -9.1 °C
Number of sunny days: 156
Number of rainy days: 203
Number of snow days: 6
Average annual precipitation: 1712 mm
Look at detailed online map of Ilirska Bistrica
* Weather data for Ilirska Bistrica Slovenia is based on climate observations for 2023 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 12.6 | 15.6 | 18.4 | 19.4 | 24.7 | 31 | 32.3 | 33.4 | 27.7 | 25.3 | 16.7 | 15.1 |
| Average daytime temperature (°C) | 7.1 | 8.4 | 12.2 | 13.5 | 19.2 | 24.3 | 27.1 | 26.4 | 23.3 | 19.7 | 11.8 | 9.8 |
| Average temperature (°C) | 4.8 | 3.7 | 7.6 | 8.8 | 14.9 | 19.4 | 21.8 | 21 | 18.4 | 15.2 | 8.1 | 5.9 |
| Average night temperature (°C) | 2.1 | 0.5 | 3.8 | 4.3 | 10.9 | 14.4 | 16.6 | 16 | 14 | 11.3 | 4.6 | 2.2 |
| Absolute minimum temperature (°C) | -3.2 | -5.2 | -1.6 | -1.6 | 6.7 | 10.4 | 9.7 | 9.4 | 9.3 | 3.2 | -2.5 | -9.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.7 | 11.1 | 12.7 | 14.3 | 15.4 | 15.7 | 15.6 | 14.8 | 13.3 | 11.7 | 10.1 | 9 |
| Daylight mean duration (h) | 9.2 | 10.4 | 11.9 | 13.5 | 14.9 | 15.6 | 15.3 | 14.1 | 12.6 | 11 | 9.5 | 8.8 |
| Daylight minimum duration (h) | 8.8 | 9.7 | 11.1 | 12.8 | 14.3 | 15.5 | 14.8 | 13.4 | 11.8 | 10.2 | 9 | 8.7 |
| Sunshine mean duration (h) | 4.6 | 7.3 | 7.6 | 9.1 | 10.9 | 12.8 | 12.6 | 11.1 | 10.2 | 7.5 | 5.6 | 5.1 |
| Precipitation (mm) | 151 | 49 | 93 | 105 | 127 | 66 | 277 | 184 | 83 | 230 | 214 | 134 |
| Sunny days | 9 | 21 | 15 | 14 | 9 | 11 | 8 | 14 | 19 | 13 | 7 | 16 |
| Rainy days | 18 | 6 | 16 | 16 | 22 | 19 | 23 | 17 | 11 | 18 | 23 | 14 |
| Snow days | 4 | 1 | 1 |
The best time to visit Ilirska Bistrica during the most sunny months:
Months with the longest average daylight duration in Ilirska Bistrica:
The largest precipitation sum in Ilirska Bistrica is at