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 temperature of 17°C, while the coldest months are January and July, with an average of 17°C. The rainiest months in El Peñol are April, May, October and November, with each month seeing an average of 439 mm of rainfall.