ZbierskZbiersk is a village in the administrative district of Gmina Stawiszyn, within Kalisz County, Greater Poland Voivodeship, in west-central Poland.ClimateOn 29 July 1921, Zbiersk recorded a temperature of. Although higher temperatures were recorded in Poland that day, at the time they were in German territory, so Zbiersk had recorded what was then the highest temperature in Poland.