The climate of Islamabad has a humid subtropical climate (Köppen: Cwa), with five seasons: Winter (Nov−Feb), Spring (March−April), Summer (May−June), Rainy Monsoon (July−August) and Autumn (September−October). The hottest month is June, where average highs routinely exceed 38 °C (100.4 °F). The wettest month is July, with heavy rainfall and evening thunderstorms with the possibility of cloudburst. The coolest month is January, with temperatures variable by location. In Islamabad, temperatures vary from cold to mild, routinely dropping below zero. In the hills there is sparse snowfall. The weather ranges from a minimum of −3.9 °C (25.0 °F) in January to a maximum of 46.1 °C (115.0 °F) in June. The average low is 2 °C (35.6 °F) in January, while the average high is 38.1 °C (100.6 °F) in June