Climate Insights for Sumbe

The climate in Sumbe is warm and mild. The average annual temperature is 24°C and approximately 677mm of precipitation falls per year. March is the wettest month, receiving around 169mm of rainfall. Sumbe 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: February, March, January. The coldest months are August, July, September, when temperatures can drop to 18°C.

Sumbe sees moderate temperature variation throughout the year, ranging from 18°C to 29°C. The warmest month is February, when average highs reach 29°C and the mean temperature sits around 26°C. August is the coolest month, with minimum temperatures around 18°C and an average of 20°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 3°C shift in average temperatures.

Sumbe is a relatively dry area, receiving approximately 677mm of precipitation annually, which averages out to around 56mm per month. The wettest month is March, averaging 169mm of rainfall. April and November also tend to see above-average precipitation. The driest month is August, with just 1mm. That's 168mm less than March, 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.

Sumbe is mildly breezy, with an average annual wind speed of 13km/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 15km/h, though still comfortable for most outdoor activities. The calmest conditions occur in April, with average winds dropping to 12km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 3km/h between the calmest and windiest months.

It is currently autumn in Sumbe, which began on March 20, 2026. Sumbe 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 February at around 29°C, while the coldest stretch bottoms out in August near 18°C. Winter is next, beginning on June 21, 2026 — 89 days from now.

The best time to visit Sumbe is during June, July, August, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 22°C with modest rainfall averaging 6mm per month. By contrast, February can be uncomfortably hot with temperatures reaching 29°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Sumbe 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.