Average annual temperature is 12.3 °C
Absolute maximum temperature: 36.7 °C
Absolute minimum temperature: -11.8 °C
Number of sunny days: 182 days
Number of rainy days: 175 days
Number of snow days: 8 days
Look at detailed online map of Kostanjevica na Krki
* Weather data for Kostanjevica na Krki 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) | 16.1 | 15.5 | 22.0 | 21.9 | 26.8 | 35.2 | 36.0 | 36.7 | 28.7 | 27.4 | 18.4 | 14.3 |
| Average daytime temperature (°C) | 7.6 | 8.6 | 13.8 | 14.9 | 19.5 | 25.8 | 28.8 | 27.5 | 24.8 | 21.0 | 12.2 | 8.1 |
| Average temperature (°C) | 3.7 | 2.2 | 7.8 | 9.5 | 15.2 | 20.1 | 22.7 | 21.5 | 19.0 | 15.1 | 7.0 | 3.3 |
| Average night temperature (°C) | 0.2 | -3.4 | 2.1 | 4.3 | 10.8 | 14.4 | 17.0 | 16.1 | 13.4 | 9.9 | 2.6 | -0.4 |
| Absolute minimum temperature (°C) | -9.1 | -11.8 | -3.5 | -1.7 | 6.4 | 11.4 | 10.9 | 9.8 | 9.1 | 2.0 | -4.3 | -6.1 |
| 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) | 9.1 | 10.4 | 11.9 | 13.5 | 14.9 | 15.7 | 15.3 | 14.1 | 12.5 | 10.9 | 9.5 | 8.7 |
| 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) | 3.8 | 7.2 | 7.5 | 8.6 | 8.1 | 12.2 | 11.8 | 10.9 | 10.1 | 7.7 | 5.9 | 5.2 |
| Precipitation (mm) | 138 | 50 | 93 | 83 | 162 | 87 | 175 | 148 | 78 | 85 | 134 | 94 |
| Sunny days | 13 | 22 | 15 | 10 | 8 | 13 | 15 | 17 | 22 | 20 | 11 | 16 |
| Rainy days | 14 | 4 | 16 | 20 | 23 | 17 | 16 | 14 | 8 | 11 | 19 | 13 |
| Snow days | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
The best time to visit Kostanjevica na Krki during the most sunny months:
Months with the longest average daylight duration in Kostanjevica na Krki:
The largest precipitation sum in Kostanjevica na Krki is at