Climate Overview
The climate in Bonny is hot. The average annual temperature is 27°C and approximately 3232mm of precipitation falls per year. July is the wettest month, receiving around 503mm of rainfall. Bonny sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Bonny has relatively stable temperatures year-round, staying within a 5°C range. The warmest month is January, when average highs reach 29°C and the mean temperature sits around 28°C. August is the coolest month, with minimum temperatures around 24°C and an average of 25°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows.
Precipitation
Bonny is a very wet location, receiving approximately 3232mm of precipitation annually, which averages out to around 269mm per month. The wettest month is July, averaging 503mm of rainfall. September and August also tend to see above-average precipitation. The driest month is January, with just 14mm. That's 489mm less than July, 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.
Wind
Bonny is relatively calm, with an average annual wind speed of 4km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 4km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.
Seasons
52 days until Autumn
It is currently summer in Bonny, which began on June 21, 2026. Bonny sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in January at around 29°C, while the coldest stretch bottoms out in August near 24°C. Autumn is next, beginning on September 23, 2026 — 52 days from now.
Spring
Temperatures range from 26 to 29°C. Rainfall is heavy, totalling around 914mm across the season with a monthly average of 305mm. Winds are generally light, averaging 3km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 24 to 28°C. Rainfall is heavy, totalling around 1298mm across the season with a monthly average of 433mm. Winds are generally light, averaging 4km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 25 to 28°C. Rainfall is heavy, totalling around 905mm across the season with a monthly average of 302mm. Winds are generally light, averaging 3km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 26 to 29°C. Rainfall is relatively light, with around 115mm over the season and a monthly average of 38mm. Winds are generally light, averaging 4km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Monthly Climate Data
The table below shows monthly climate averages for Bonny 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.
