Planning for the weather is a good way to make your trip to Coyuca de Benitez relaxing and enjoyable, especially when you’re splurging. The hottest months are usually May and April with an average temp of 82°F, while the coldest months are February and January with an average of 80°F. The rainiest months in Coyuca de Benitez are September, August, June, and July, with each month seeing an average of 14 inches of rainfall.