Climate Insights for Mbamba Bay

The climate in Mbamba Bay is warm and mild. The average annual temperature is 23°C and approximately 2505mm of precipitation falls per year. January is the wettest month, receiving around 522mm of rainfall. Mbamba Bay 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: November, October, December. The coldest months are July, June, August, when temperatures can drop to 17°C.

Mbamba Bay has relatively stable temperatures year-round, staying within a 10°C range. The warmest month is November, when average highs reach 27°C and the mean temperature sits around 25°C. July is the coolest month, with minimum temperatures around 17°C and an average of 19°C. Daily temperature variation is modest, with an average difference of 4°C between highs and lows. The sharpest temperature change occurs between August and September, with a 2°C shift in average temperatures.

Mbamba Bay is a very wet location, receiving approximately 2505mm of precipitation annually, which averages out to around 209mm per month. The wettest month is January, averaging 522mm of rainfall. December and March also tend to see above-average precipitation. The driest month is September, with just 9mm. That's 513mm 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.

Mbamba Bay 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 June, averaging 16km/h, though still comfortable for most outdoor activities. The calmest conditions occur in December, with average winds dropping to 10km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 6km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 15km/h in winter, 12km/h in spring, 11km/h in summer, 13km/h in autumn.

It is currently autumn in Mbamba Bay, which began on March 20, 2026. Mbamba Bay 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 November at around 27°C, while the coldest stretch bottoms out in July near 17°C. Winter is next, beginning on June 21, 2026 — 89 days from now.

The best time to visit Mbamba Bay is during May, June, July, August, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 28mm per month. By contrast, November can be uncomfortably hot with temperatures reaching 27°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Mbamba Bay 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.