Average annual temperature is 8.5 °C
Absolute maximum temperature: 29.2 °C
Absolute minimum temperature: -14.2 °C
Number of sunny days: 115 days
Number of rainy days: 213 days
Number of snow days: 37 days
Look at detailed online map of Slezská Harta
* Weather data for Slezská Harta Czech Republic is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 8.1 | 7.7 | 15.5 | 17.0 | 20.4 | 26.8 | 29.2 | 28.7 | 25.5 | 19.9 | 12.0 | 7.9 |
| Average daytime temperature (°C) | 1.9 | 1.5 | 7.0 | 8.7 | 14.5 | 19.8 | 23.6 | 21.8 | 20.6 | 14.1 | 4.9 | 1.8 |
| Average temperature (°C) | 0.2 | -1.0 | 3.2 | 5.1 | 10.5 | 15.6 | 18.9 | 17.9 | 16.4 | 10.8 | 2.9 | 0.4 |
| Average night temperature (°C) | -1.9 | -3.9 | -0.1 | 1.7 | 6.3 | 10.8 | 13.8 | 14.3 | 12.4 | 7.6 | 0.8 | -1.2 |
| Absolute minimum temperature (°C) | -14.2 | -11.7 | -5.5 | -5.3 | 0.5 | 4.6 | 8.2 | 7.7 | 7.5 | 0.1 | -8.3 | -7.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 10.0 | 12.0 | 14.0 | 16.0 | 16.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 |
| Daylight mean duration (h) | 8.7 | 10.1 | 11.9 | 13.8 | 15.4 | 16.3 | 15.9 | 14.4 | 12.6 | 10.8 | 9.1 | 8.2 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 10.0 | 12.0 | 14.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 2.5 | 4.0 | 7.1 | 7.3 | 10.4 | 12.3 | 12.4 | 9.2 | 9.8 | 6.4 | 4.3 | 2.1 |
| Precipitation (mm) | 70 | 40 | 49 | 91 | 85 | 54 | 52 | 188 | 36 | 75 | 99 | 94 |
| Sunny days | 10 | 9 | 8 | 6 | 16 | 10 | 9 | 7 | 15 | 11 | 3 | 11 |
| Rainy days | 11 | 12 | 18 | 22 | 15 | 20 | 22 | 24 | 15 | 20 | 21 | 13 |
| Snow days | 10 | 7 | 5 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 7 |
The best time to visit Slezská Harta during the most sunny months:
Months with the longest average daylight duration in Slezská Harta:
The largest precipitation sum in Slezská Harta is at