If you’re looking forward to lots of outings with your partner, check out these details about year-round temperatures in Kericho: The hottest months are usually February and March with an average temp of 65°F, while the coldest months are July and June with an average of 61°F. The rainiest months in Kericho are April, November, May, and October, with each month seeing an average of 14 inches of rainfall.