When you travel with your pet, keeping track of the weather can help you make the trip more safe and fun for everyone. The hottest months are usually May and July, with an average temperature of 26°C, while the coldest months are February and January, with an average of 24°C. The rainiest months in Presa Cajon de Pena are September, August, July and October, with each month seeing an average of 228 mm of rainfall.