December to March is generally hot in Namibia. Rain and thundershowers come in January. April and May may still have rain, as temperatures slowly start to drop. The dry winter months are from June to September. Winter days are moderate to warm, and the nights are cold. Expect frost inland and in the deserts. Temperatures start to rise again in October, with some rainfall bringing relief after the dry season.
Winter temperatures range around mid-20s Celsius (70s Fahrenheit). Summer temperatures are in the mid-30s Celsius (90s Fahrenheit).