Climate Pottsville experiences a humid subtropical climate (Cfa) according to the Köppen climate classification system if the isotherm is used, or a humid continental climate (Dfa) if the isotherm is used. The record high was in 2011, and the record low was in 1994. Average monthly temperatures range from 27.3 °F in January to 72.3 °F in July. The hardiness zone is 6b or 7a depending upon elevation.
Climate Pottsville experiences a humid subtropical climate (Cfa) a.ccording to the Köppen climate classification system if the isotherm is used, or a humid continental climate (Dfa) if the isotherm is used. The record high was in 2011, and the record low was in 1994 Average monthly temperatures range from 27.3 °F in January to 72.3 °F in July. The hardiness zone is 6b or 7a depending upon elevation.