Average annual temperature is 9.9 °C
Absolute maximum temperature: 30.5 °C
Absolute minimum temperature: -13.6 °C
Number of sunny days: 102 days
Number of rainy days: 227 days
Number of snow days: 36 days
Look at detailed online map of Ślemień
* Weather data for Ślemień Poland is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 15.3 | 10.0 | 19.7 | 20.2 | 22.8 | 27.1 | 29.3 | 30.5 | 28.1 | 23.7 | 14.9 | 10.0 |
| Average daytime temperature (°C) | 4.4 | 3.1 | 9.3 | 10.9 | 16.9 | 20.9 | 24.1 | 24.4 | 22.5 | 16.4 | 7.0 | 3.9 |
| Average temperature (°C) | 2.3 | 0.1 | 4.8 | 6.6 | 12.3 | 16.7 | 19.5 | 19.7 | 17.3 | 12.5 | 4.6 | 1.5 |
| Average night temperature (°C) | 0.2 | -3.1 | 0.3 | 2.0 | 7.2 | 11.5 | 14.1 | 15.1 | 12.5 | 8.1 | 1.8 | -1.0 |
| Absolute minimum temperature (°C) | -5.8 | -13.6 | -12.0 | -6.1 | 1.8 | 6.3 | 9.6 | 9.0 | 9.2 | -0.1 | -8.7 | -9.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 10.0 | 12.0 | 14.0 | 15.0 | 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 | 16.2 | 15.8 | 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) | 2.7 | 3.6 | 6.9 | 6.7 | 9.5 | 11.7 | 11.9 | 9.4 | 9.2 | 6.6 | 3.6 | 3.0 |
| Precipitation (mm) | 110 | 117 | 61 | 69 | 111 | 100 | 90 | 97 | 57 | 103 | 118 | 117 |
| Sunny days | 7 | 7 | 10 | 5 | 11 | 8 | 11 | 8 | 17 | 9 | 2 | 7 |
| Rainy days | 14 | 15 | 15 | 22 | 20 | 22 | 20 | 23 | 13 | 22 | 23 | 18 |
| Snow days | 10 | 6 | 6 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 6 |
The best time to visit Ślemień during the most sunny months:
Months with the longest average daylight duration in Ślemień: