Planning for the weather is a good way to make your trip to Aguas Calientes relaxing and enjoyable, especially when you’re splurging. The hottest months are usually October and November with an average temp of 49°F, while the coldest months are July and June with an average of 46°F. The rainiest months in Aguas Calientes are January, February, December, and March, with each month seeing an average of 10 inches of rainfall.