Bungoma's climate is characterized by mild temperatures year-round, with average highs ranging from 21-24°C. The warmest months are March and April, with temperatures sometimes reaching as high as 35°C. June and July bring slightly cooler temperatures, but still average above 20°C. September is another warm month, with occasional highs of up to 38°C. Cooler months are January and December, with averages below 23°C, while February, October, November share similar temperatures.