Climate Insights for Mpumalanga

The climate in Mpumalanga is hot. The average annual temperature is 25°C and approximately 202mm of precipitation falls per year. December is the wettest month, receiving around 33mm of rainfall. Mpumalanga is in the Southern Hemisphere. The seasons are reversed — summer runs from December to February, while winter falls between June and August. The summer months are: July, May, April. The coldest months are June, July, May, when temperatures can drop to 20°C.

Mpumalanga sees moderate temperature variation throughout the year, ranging from 20°C to 35°C. July is the hottest month, with daytime highs reaching 35°C and an average of 28°C. June is the coolest month, with minimum temperatures around 20°C and an average of 25°C. Daily temperature variation is modest, with an average difference of 5°C between highs and lows. The sharpest temperature change occurs between May and June, with a 4°C shift in average temperatures.

Mpumalanga is a quite dry location, receiving approximately 202mm of precipitation annually, which averages out to around 17mm per month. The wettest month is June, averaging 33mm of rainfall. November and December also tend to see above-average precipitation. The driest month is March, with just 0mm. That's 33mm less than June, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Mpumalanga is relatively calm, with an average annual wind speed of 7km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is December, averaging 13km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 10km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to pick up during the summer months. The seasonal averages are 3km/h in winter, 7km/h in spring, 11km/h in summer, 5km/h in autumn.

It is currently winter in Mpumalanga, which began on June 21, 2026. Mpumalanga is in the Southern Hemisphere, where the seasons are reversed — spring starts in September, summer in December, autumn in March, and winter in June. The warmest period peaks in July at around 35°C, while the coldest stretch bottoms out in June near 20°C. Spring is next, beginning on September 23, 2026 — 16 days from now.

The best time to visit Mpumalanga is during January, February, June, October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 24°C with modest rainfall averaging 27mm per month. By contrast, July can be uncomfortably hot with temperatures reaching 35°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Mpumalanga based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.