Climate Overview
The climate in Busia is warm and mild. The average annual temperature is 23°C and approximately 2212mm of precipitation falls per year. Busia receives a notable amount of rainfall throughout the year, including during its driest month. Busia sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Busia sees moderate temperature variation throughout the year, ranging from 18°C to 30°C. The warmest month is February, when average highs reach 30°C and the mean temperature sits around 24°C. July is the coolest month, with minimum temperatures around 18°C and an average of 22°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs.
Precipitation
Busia is a very wet location, receiving approximately 2212mm of precipitation annually, which averages out to around 184mm per month. The wettest month is April, averaging 343mm of rainfall. May and March also tend to see above-average precipitation. The driest month is February, with just 99mm. That's 244mm less than April, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.
Wind
Busia is relatively calm, with an average annual wind speed of 6km/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 7km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 5km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 2km/h gap between the calmest and windiest months.
Seasons
8 days until Autumn
It is currently summer in Busia, which began on June 21, 2026. Busia sits near the equator, so the traditional four-season cycle is less pronounced. Temperatures remain relatively stable year-round. The warmest period peaks in February at around 30°C, while the coldest stretch bottoms out in July near 18°C. Autumn is next, beginning on September 23, 2026 (8 days from now).
Spring
Temperatures range from 19 to 29°C. Rainfall is heavy, totalling around 850mm across the season with a monthly average of 283mm. Winds are generally light, averaging 6km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 18 to 27°C. Rainfall is heavy, totalling around 426mm across the season with a monthly average of 142mm. Winds are generally light, averaging 6km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.
Autumn
Temperatures range from 18 to 28°C. Rainfall is heavy, totalling around 605mm across the season with a monthly average of 202mm. Winds are generally light, averaging 5km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 19 to 30°C. Rainfall is heavy, totalling around 331mm across the season with a monthly average of 110mm. Winds are generally light, averaging 7km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Best Time to Visit
The best time to visit Busia is during February, when the weather is most comfortable for travellers. During these months, average temperatures hover around 24°C with modest rainfall averaging 99mm per month. By contrast, July can be quite cold with temperatures dropping to 18°C. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.
Monthly Climate Data
The table below shows monthly climate averages for Busia 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.