Olsztyn

What is the climate like in Olsztyn?

The best time to visit Olsztyn is typically August – September, with trip comfort peaking in August (7.0/10). Olsztyn is warmest in August, when daily highs average 74°F (23°C), and coolest in January, when lows fall to about 27°F (-3°C). The wettest month is typically July and the driest is April; the year sees roughly 28 in (723 mm) of precipitation.

• Best time to visitAugust – September — comfort peaks in August (7.0/10)
• Warmest monthAugust — average high 74°F (23°C)
• Coolest monthJanuary — average low 27°F (-3°C)
• Wettest monthJuly (3.8 in (97 mm))
• Driest monthApril (1.6 in (40 mm))
• Annual precipitation28 in (723 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromElblag-milejewo, 81 km away (1936-2026)