Climate almanac
Koszalin
West Pomerania, Poland · 54.19°, 16.17°
What is the climate like in Koszalin?
The best time to visit Koszalin is typically May – June, with trip comfort peaking in June (6.9/10). Koszalin is warmest in August, when daily highs average 72°F (22°C), and coolest in January, when lows fall to about 32°F (0°C). The wettest month is typically July and the driest is April; the year sees roughly 31 in (793 mm) of precipitation.
- Best time to visitMay – June — comfort peaks in June (6.9/10)
- Warmest monthAugust — average high 72°F (22°C)
- Coolest monthJanuary — average low 32°F (0°C)
- Wettest monthJuly (4.3 in (110 mm))
- Driest monthApril (1.5 in (39 mm))
- Annual precipitation31 in (793 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)