Average annual temperature is 11.1 °C
Absolute maximum temperature: 32.4 °C
Absolute minimum temperature: -13.0 °C
Number of sunny days: 144 days
Number of rainy days: 202 days
Number of snow days: 19 days
Look at detailed online map of Grm
* Weather data for Grm 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) | 12.0 | 13.3 | 18.4 | 19.3 | 23.6 | 32.4 | 31.7 | 32.1 | 26.2 | 24.9 | 15.5 | 14.9 |
| Average daytime temperature (°C) | 5.5 | 5.9 | 10.9 | 12.3 | 16.4 | 22.7 | 25.7 | 24.3 | 21.8 | 18.9 | 10.8 | 8.5 |
| Average temperature (°C) | 2.6 | 1.5 | 6.5 | 7.6 | 12.8 | 18.1 | 20.6 | 19.8 | 17.5 | 14.3 | 6.9 | 4.7 |
| Average night temperature (°C) | 0.2 | -2.6 | 2.4 | 3.2 | 9.6 | 13.5 | 16.1 | 15.5 | 13.5 | 10.3 | 3.0 | 0.9 |
| Absolute minimum temperature (°C) | -6.5 | -13.0 | -4.8 | -3.9 | 6.8 | 11.4 | 9.9 | 10.9 | 10.5 | 1.8 | -4.1 | -9.0 |
| 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) | 3.5 | 7.1 | 7.4 | 8.8 | 8.3 | 12.3 | 11.9 | 10.8 | 10.1 | 7.8 | 5.7 | 5.3 |
| Precipitation (mm) | 197 | 49 | 108 | 110 | 198 | 135 | 224 | 216 | 75 | 147 | 155 | 126 |
| Sunny days | 10 | 20 | 15 | 7 | 6 | 10 | 9 | 13 | 14 | 17 | 9 | 14 |
| Rainy days | 14 | 4 | 14 | 23 | 25 | 20 | 22 | 18 | 16 | 14 | 20 | 12 |
| Snow days | 7 | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 5 |
The best time to visit Grm during the most sunny months:
Months with the longest average daylight duration in Grm:
The largest precipitation sum in Grm is at