Iowa

Climate in Iowa

Iowa lies in the humid continental zone and generally has hot summers, cold winters and wet springs. Summers are warm and humid, with daytime temperatures averaging 74ºF (23ºC) in July but varying from region to region. Tropical air masses from the Gulf of Mexico bring frequent thunderstorms, with persistent rain in June. Winters are cold, with January temperatures averaging about 14ºF (-10ºC) in the northwest and 22ºF (-6ºC) in the southeast. Snowfall is common but light compared to other states.