Climate Insights for Bonga

The climate in Bonga is warm and mild. The average annual temperature is 19°C and approximately 1755mm of precipitation falls per year. May is the wettest month, receiving around 242mm of rainfall. Bonga sits near the equator, so seasonal temperature differences are minimal throughout the year.

Bonga sees moderate temperature variation throughout the year, ranging from 11°C to 28°C. The warmest month is March, when average highs reach 28°C and the mean temperature sits around 20°C. December is the coolest month, with minimum temperatures around 11°C and an average of 18°C. On average, daily temperatures fluctuate by about 12°C between overnight lows and afternoon highs.

Bonga is a fairly wet location, receiving approximately 1755mm of precipitation annually, which averages out to around 146mm per month. The wettest month is May, averaging 242mm of rainfall. April and October also tend to see above-average precipitation. The driest month is January, with just 29mm. That's 213mm less than May, 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.

Bonga 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 January, averaging 1km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, 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 spring in Bonga, which began on March 20, 2026. Bonga 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 28°C, while the coldest stretch bottoms out in December near 11°C. Summer is next, beginning on June 21, 2026 — 3 days from now.

The best time to visit Bonga is during January, February and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 49mm per month. By contrast, March can be uncomfortably hot with temperatures reaching 28°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 Bonga 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.