Weather is probably a major factor when you plan your trip to El Valle de Anton, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually April and March, with an average temperature of 26°C, while the coldest months are January and December, with an average of 25°C. The rainiest months in El Valle de Anton are October, November, September and August, with each month seeing an average of 355 mm of rainfall.