Average annual temperature is 9.6 °C
Absolute maximum temperature: 33.9 °C
Absolute minimum temperature: -8.7 °C
Number of sunny days: 131 days
Number of rainy days: 212 days
Number of snow days: 22 days
Look at detailed online map of Kosy
* Weather data for Kosy 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) | 14.8 | 8.2 | 15.0 | 20.8 | 24.9 | 30.1 | 32.9 | 33.9 | 29.5 | 23.7 | 12.7 | 8.1 |
| Average daytime temperature (°C) | 3.7 | 3.7 | 7.2 | 12.4 | 18.4 | 23.2 | 23.6 | 25.1 | 23.4 | 12.8 | 5.3 | 2.5 |
| Average temperature (°C) | 1.9 | 0.9 | 3.2 | 7.7 | 12.8 | 17.9 | 18.7 | 20.3 | 18.1 | 9.6 | 2.7 | 0.8 |
| Average night temperature (°C) | 0.0 | -1.7 | -0.8 | 2.8 | 6.4 | 11.7 | 13.3 | 15.7 | 13.0 | 6.2 | -0.1 | -1.1 |
| Absolute minimum temperature (°C) | -7.5 | -6.3 | -6.0 | -4.0 | -0.5 | 4.2 | 10.7 | 10.6 | 7.0 | -1.1 | -8.7 | -7.7 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 8.0 | 10.0 | 12.0 | 15.0 | 16.0 | 17.0 | 17.0 | 15.0 | 13.0 | 11.0 | 9.0 | 7.0 |
| Daylight mean duration (h) | 8.0 | 9.8 | 11.9 | 14.1 | 16.0 | 17.1 | 16.6 | 14.8 | 12.7 | 10.5 | 8.6 | 7.5 |
| Daylight minimum duration (h) | 7.0 | 8.0 | 10.0 | 13.0 | 15.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 7.0 | 7.0 |
| Sunshine mean duration (h) | 1.3 | 4.5 | 6.7 | 8.6 | 12.0 | 12.6 | 12.2 | 9.7 | 10.0 | 5.0 | 3.1 | 1.3 |
| Precipitation (mm) | 62 | 55 | 50 | 37 | 15 | 42 | 38 | 90 | 23 | 69 | 75 | 70 |
| Sunny days | 11 | 12 | 8 | 7 | 24 | 11 | 4 | 5 | 21 | 7 | 12 | 9 |
| Rainy days | 16 | 14 | 18 | 20 | 7 | 19 | 27 | 26 | 9 | 24 | 13 | 19 |
| Snow days | 4 | 2 | 5 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 3 |
The best time to visit Kosy during the most sunny months:
Months with the longest average daylight duration in Kosy:
The largest precipitation sum in Kosy is at