Planning for the weather is an important factor for making your trip to Garchitorena a success, especially when you're splurging. The hottest months are usually June and May with an average temp of 83°F, while the coldest months are February and January with an average of 79°F. The rainiest months in Garchitorena are December, January, October, and July, with each month seeing an average of 16 inches of rainfall.