Climate Insights for Boma

The climate in Boma is hot. The average annual temperature is 25°C and approximately 1283mm of precipitation falls per year. December is the wettest month, receiving around 218mm of rainfall. Boma sits near the equator, so seasonal temperature differences are minimal throughout the year.

Boma sees moderate temperature variation throughout the year, ranging from 19°C to 31°C. The warmest month is March, when average highs reach 31°C and the mean temperature sits around 27°C. July is the coolest month, with minimum temperatures around 19°C and an average of 22°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows. The sharpest temperature change occurs between May and June, with a 2°C shift in average temperatures.

Boma is a fairly wet location, receiving approximately 1283mm of precipitation annually, which averages out to around 107mm per month. The wettest month is December, averaging 218mm of rainfall. November and April also tend to see above-average precipitation. The driest month is July, with just 6mm. That's 212mm less than December, 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.

Boma is relatively calm, with an average annual wind speed of 5km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is September, averaging 6km/h, though still comfortable for most outdoor activities. The calmest conditions occur in January, with average winds dropping to 5km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1km/h between the calmest and windiest months.

It is currently winter in Boma, which began on June 21, 2026. Boma sits near the equator, so the traditional four-season cycle is less pronounced. Temperatures remain relatively stable year-round. The warmest period peaks in March at around 31°C, while the coldest stretch bottoms out in July near 19°C. Spring is next, beginning on September 23, 2026 (3 days from now).

The best time to visit Boma is during June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 23°C with modest rainfall averaging 12mm per month. By contrast, March can be uncomfortably hot with temperatures reaching 31°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Boma 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.