With a population of around 73,100, Siemianowice Slaskie sits in Silesia, Poland. The city operates in the Central European time zone.
In 2025, Siemianowice Slaskie recorded an average annual temperature of 49°F. The hottest temperatures reached 92°F in July; the coolest were 11°F in February. Total precipitation for the year was 28 inches, with the wettest month being July. Snowfall for the year totaled approximately 7 inches.
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