About Siemianowice Slaskie, Silesia

With a population of around 73,100, Siemianowice Slaskie sits in Silesia, Poland. The city operates in the Central European time zone.

Recent weather here gives a sense of typical conditions: in 2025, Siemianowice Slaskie recorded a mean annual temperature of 49°F, ranging from 11°F lows in February to 92°F highs in July, with about 28 inches of precipitation across the year.