Climate Insights for Busia

The climate in Busia is warm and mild. The average annual temperature is 23°C and approximately 2220mm 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.

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.

Busia is a very wet location, receiving approximately 2220mm of precipitation annually, which averages out to around 185mm per month. The wettest month is April, averaging 343mm of rainfall. May and November also tend to see above-average precipitation. The driest month is January, with just 93mm. That's 250mm 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.

Busia is relatively calm, with an average annual wind speed of 10km/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 12km/h, though still comfortable for most outdoor activities. The calmest conditions occur in November, with average winds dropping to 9km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 3km/h between the calmest and windiest months.

It is currently spring in Busia, which began on March 20, 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. Summer is next, beginning on June 21, 2026 — 89 days from now.

The best time to visit Busia is during January, when the weather is most comfortable for travellers. During these months, average temperatures hover around 23°C with modest rainfall averaging 93mm per month. By contrast, February can be uncomfortably hot with highs reaching 30°C, while July is the coldest period with lows 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.

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.