Gaborone has a hot semi-arid climate (Köppen climate classification 'BSh'). Most of the year, Gaborone is very sunny. The summers are usually hot. The nights are cool. Usually, the summers with little rainfall are warmer than summers with regular rainfall. If there is a drought, the hottest temperatures of the year are usually in January or February. If there is normal rainfall, the hottest temperatures are usually in October, right before the rain starts. During the winter, days are still warm, and the nights are cold.