Climate Insights for Bubanza

The climate in Bubanza is warm and mild. The average annual temperature is 20°C and approximately 3872mm of precipitation falls per year. Bubanza receives a notable amount of rainfall throughout the year, including during its driest month. Bubanza sits near the equator, so seasonal temperature differences are minimal throughout the year.

Bubanza sees moderate temperature variation throughout the year, ranging from 14°C to 26°C. The warmest month is September, when average highs reach 26°C and the mean temperature sits around 21°C. July is the coolest month, with minimum temperatures around 14°C and an average of 19°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs.

Bubanza is a very wet location, receiving approximately 3872mm of precipitation annually, which averages out to around 323mm per month. The wettest month is April, averaging 507mm of rainfall. October and November also tend to see above-average precipitation. The driest month is July, with just 43mm. That's 463mm less than April, 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.

Bubanza is relatively calm, with an average annual wind speed of 1km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is August, averaging 1km/h, though still comfortable for most outdoor activities. The calmest conditions occur in March, with average winds dropping to 1km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 0km/h between the calmest and windiest months.

It is currently winter in Bubanza, which began on June 21, 2026. Bubanza sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in September at around 26°C, while the coldest stretch bottoms out in July near 14°C. Spring is next, beginning on September 23, 2026 — 92 days from now.

The best time to visit Bubanza is during June and July, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 55mm per month. By contrast, September can be uncomfortably hot with temperatures reaching 26°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Bubanza 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.