Weather can make or break a roadtrip, so here's some data about year-round temperatures in Chemolingot to help you plan yours: The hottest months are usually February and March with an average temp of 65°F, while the coldest months are June and July with an average of 61°F. The rainiest months in Chemolingot are August, May, April, and July, with each month seeing an average of 11 inches of rainfall.