Nebraska's climate is mostly continental, with temperatures that vary greatly from season to season. The western third of the state has a semi-arid climate. Summers are hot and humid, averaging 76°F (24°C) in July, but hot winds often push summer temperatures above 90°F (32°C). Winters are cold and snowy with temperatures of around 23°F (-5°C) in January. The state is prone to severe weather patterns such as blizzards, droughts and windstorms. Thunderstorms are common in spring and summer.