About Cieszyn, Silesia's Climate & Weather History

With a population of around 35,600, Cieszyn sits in Silesia, Poland. The city operates in the Central European time zone.

In 2025, Cieszyn recorded an average annual temperature of 50°F. The hottest temperatures reached 94°F in July; the coolest were 14°F in November. Total precipitation for the year was 32 inches, with the wettest month being July. Snowfall for the year totaled approximately 8 inches.