Taking into account the local weather in La Peña is an important factor for planning your visit, especially if you plan to spend your trip poolside. The hottest months are usually August and September with an average temp of 77°F, while the coldest months are January and July with an average of 75°F. The rainiest months in La Peña are March, October, November, and April, with each month seeing an average of 14 inches of rainfall.