inland destination · city of 23,327 · warmest in Jul · budget-friendly
Open Kościerzyna on the live value map →| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg °C | -2 | -2 | 2 | 6 | 12 | 15 | 17 | 16 | 12 | 8 | 3 | 0 |
| High °C | 0 | 1 | 5 | 11 | 17 | 19 | 21 | 21 | 16 | 11 | 5 | 2 |
| Low °C | -5 | -4 | -1 | 2 | 6 | 10 | 12 | 12 | 9 | 5 | 1 | -2 |
| Rain (days) | 39 | 30 | 36 | 36 | 52 | 68 | 78 | 66 | 65 | 57 | 55 | 49 |
Warmest month: Jul. Driest: Feb.
No mild-temperature months (18–28°C) — expect extremes.