Planning for the weather is a good way to make your trip to El Valle de Anton relaxing and enjoyable, especially when you're splurging. 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.