Climate Insights for Siavonga

The climate in Siavonga is hot. The average annual temperature is 25°C and approximately 866mm of precipitation falls per year. January is the wettest month, receiving around 237mm of rainfall. Siavonga 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: October, November, September. The coldest months are July, June, August, when temperatures can drop to 15°C.

Siavonga sees moderate temperature variation throughout the year, ranging from 15°C to 35°C. October is the hottest month, with daytime highs reaching 35°C and an average of 29°C. July is the coolest month, with minimum temperatures around 15°C and an average of 20°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between August and September, with a 3°C shift in average temperatures.

Siavonga is a moderately rainy area, receiving approximately 866mm of precipitation annually, which averages out to around 72mm per month. The wettest month is January, averaging 237mm of rainfall. February and December also tend to see above-average precipitation. The driest month is August, with just 0mm. That's 237mm less than January, 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.

Siavonga is relatively calm, with an average annual wind speed of 2km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is October, averaging 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in June, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.

It is currently winter in Siavonga, which began on June 21, 2026. Siavonga 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 October at around 35°C, while the coldest stretch bottoms out in July near 15°C. Spring is next, beginning on September 23, 2026 — 92 days from now.

The best time to visit Siavonga is during May, June, July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 1mm per month. By contrast, October 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 Siavonga 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.