Planning for the weather is an important factor for making your trip to El Peñol a success, especially when you’re splurging. The hottest months are usually August and September with an average temp of 63°F, while the coldest months are January and July with an average of 63°F. The rainiest months in El Peñol are April, May, October, and November, with each month seeing an average of 17 inches of rainfall.