Taking the local weather in Peña Blanca into account can help you maximise your time at the pool during your trip. The hottest months are usually April and May, with an average temperature of 26°C, while the coldest months are January and February, with an average of 23°C. The rainiest months in Peña Blanca are November, October, September and June, with each month seeing an average of 288 mm of rainfall.