Average annual temperature is 10.9 °C
Absolute maximum temperature: 33.8 °C
Absolute minimum temperature: -7.9 °C
Number of sunny days: 130 days
Number of rainy days: 217 days
Number of snow days: 18 days
Look at detailed online map of Kościerzyn
* Weather data for Kościerzyn 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) | 15.7 | 10.3 | 18.7 | 21.5 | 23.9 | 30.3 | 32.1 | 33.8 | 30.1 | 26.0 | 16.3 | 10.7 |
| Average daytime temperature (°C) | 5.6 | 4.6 | 9.2 | 12.1 | 18.3 | 24.1 | 26.4 | 25.9 | 24.5 | 15.6 | 7.4 | 4.2 |
| Average temperature (°C) | 3.4 | 1.8 | 4.9 | 7.9 | 13.5 | 19.1 | 21.2 | 20.9 | 18.9 | 11.8 | 4.6 | 2.3 |
| Average night temperature (°C) | 1.0 | -1.2 | 0.5 | 3.3 | 7.8 | 12.9 | 15.2 | 16.3 | 13.3 | 7.8 | 1.6 | 0.1 |
| Absolute minimum temperature (°C) | -3.9 | -6.7 | -5.7 | -4.3 | 1.1 | 4.6 | 10.4 | 10.5 | 10.5 | 0.1 | -5.4 | -7.9 |
| 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) | 8.4 | 10.0 | 11.9 | 13.9 | 15.6 | 16.6 | 16.1 | 14.6 | 12.7 | 10.7 | 8.9 | 7.9 |
| 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) | 2.2 | 3.8 | 5.8 | 7.7 | 10.1 | 12.7 | 11.9 | 9.5 | 10.0 | 4.5 | 3.7 | 1.9 |
| Precipitation (mm) | 47 | 49 | 53 | 49 | 37 | 59 | 40 | 84 | 14 | 84 | 56 | 71 |
| Sunny days | 9 | 11 | 8 | 9 | 21 | 13 | 11 | 8 | 22 | 7 | 4 | 7 |
| Rainy days | 19 | 14 | 21 | 20 | 10 | 17 | 20 | 23 | 8 | 24 | 22 | 19 |
| Snow days | 3 | 3 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 5 |
The best time to visit Kościerzyn during the most sunny months:
Months with the longest average daylight duration in Kościerzyn:
The largest precipitation sum in Kościerzyn is at