Average annual temperature is 9.8 °C
Absolute maximum temperature: 32.8 °C
Absolute minimum temperature: -10.5 °C
Number of sunny days: 120 days
Number of rainy days: 214 days
Number of snow days: 31 days
Look at detailed online map of Kośna
* Weather data for Kośna 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) | 15.5 | 7.8 | 17.5 | 20.1 | 25.3 | 27.1 | 32.8 | 32.1 | 26.7 | 22.2 | 13.4 | 8.5 |
| Average daytime temperature (°C) | 3.5 | 2.9 | 7.8 | 12.7 | 18.7 | 22.5 | 24.5 | 25.7 | 22.7 | 13.5 | 5.0 | 2.2 |
| Average temperature (°C) | 1.8 | 0.5 | 3.6 | 8.3 | 13.4 | 17.6 | 19.8 | 20.7 | 17.5 | 10.2 | 2.7 | 0.4 |
| Average night temperature (°C) | 0.1 | -2.1 | -0.5 | 3.6 | 7.0 | 12.0 | 14.5 | 16.0 | 12.7 | 6.6 | 0.2 | -1.6 |
| Absolute minimum temperature (°C) | -4.1 | -6.6 | -5.3 | -4.7 | -1.0 | 4.5 | 11.0 | 10.5 | 9.5 | 0.5 | -8.3 | -10.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 8.0 | 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) | 8.3 | 9.9 | 11.9 | 13.9 | 15.8 | 16.7 | 16.3 | 14.7 | 12.7 | 10.6 | 8.8 | 7.7 |
| Daylight minimum duration (h) | 7.0 | 9.0 | 10.0 | 12.0 | 14.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 | 7.0 |
| Sunshine mean duration (h) | 1.5 | 3.5 | 6.5 | 7.7 | 11.6 | 11.2 | 12.2 | 10.5 | 10.4 | 5.0 | 2.9 | 1.0 |
| Precipitation (mm) | 82 | 57 | 51 | 50 | 45 | 92 | 56 | 85 | 24 | 75 | 68 | 84 |
| Sunny days | 8 | 12 | 9 | 8 | 18 | 8 | 9 | 10 | 19 | 7 | 6 | 6 |
| Rainy days | 17 | 11 | 16 | 21 | 13 | 22 | 22 | 21 | 11 | 24 | 18 | 18 |
| Snow days | 6 | 5 | 6 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 7 |
The best time to visit Kośna during the most sunny months:
Months with the longest average daylight duration in Kośna:
The largest precipitation sum in Kośna is at