About Brenna, Silesia's Climate & Weather History

With a population of around 5,900, Brenna sits in Silesia, Poland. The city operates in the Central European time zone.

In 2025, Brenna recorded an average annual temperature of 49°F. The hottest temperatures reached 88°F in July; the coolest were 12°F in February. Total precipitation for the year was 43 inches, with the wettest month being July. Snowfall for the year totaled approximately 14 inches.