Taking into account the local weather in Cimitarra is an important factor for planning your visit, especially if you plan to spend your trip poolside. The hottest months are usually August and February with an average temp of 81°F, while the coldest months are November and December with an average of 78°F. The rainiest months in Cimitarra are October, May, September, and April, with each month seeing an average of 18 inches of rainfall.