Kericho has three different climates and is dominated by Cfb.
|Oceanic climate||16||Cfb||Kericho, Kapkatet, Litein, Kebeneti, Chemosot|
|Tropical rainforest climate||8||Af||Chemosit, Sondu, Sigowet, Kap Sarok, Koituiy|
|Warm-summer Mediterranean climate||2||Csb||Londiani Township, Londiani|
Kericho's climate is classified as warm and temperate. Kericho has a significant amount of rainfall during the year. This is true even for the driest month. The climate here is classified as Cfb by the Köppen-Geiger system. The average temperature in Kericho is 16.5 °C | 61.7 °F. About 1958 mm | 77.1 inch of precipitation falls annually.