Nkasa Rupara National Park (formerly Mamili NP) has a hot climate. The winter months from May to October are predominantly dry, with bitterly cold morning temperatures. The summer months of November to April represent the Wet season. Rainfall isn't very high and usually falls in the form of afternoon showers. It is mostly sunny and hot.
Dry season–May to October – Winter
These are the coolest months and represent the wintertime. It gets drier as the winter wears on.
May, June, July & August – These dry months have an average afternoon temperature of 27°C/80°F, which is pleasant thanks to the low humidity. Mornings are cold, approximately 8°C/47°F. Warm clothes are a necessity for morning game drives in open vehicles.
September & October – Warm weather increases with the end of winter. The highest temperatures are during October, and averages of 34°C/93°F can spike much higher. Mornings warm up to around 16°C/61°F, and the end of October usually brings rainfall.
Wet season–November to April – Summer
The Wet season occurs during the summer, but on average total rainfall is low. Afternoon thunderstorms can be expected, although they rarely occur daily. It is mostly hot. Cooler temperatures of around 19°C/66°F are typical of early mornings.
November & December – The months of October and November signify the coming of the rains and afternoon thunderstorms become commonplace. Afternoon temperatures of 32°C/90°F are typical.
January, February & March – The months of January and February experience the highest amount of rainfall throughout the year. Although the sun stays out most of the day, afternoon thunderstorms are typical. Temperatures average around 31°C/88°F.
April – Rainfall drastically tapers off in April. As summer ends, temperatures cool down.