Planning for the weather is an important factor for making your trip to San Jose de Buenavista a success, especially when you're splurging. The hottest months are usually April and March with an average temp of 82°F, while the coldest months are February and January with an average of 80°F. The rainiest months in San Jose de Buenavista are July, August, September, and June, with each month seeing an average of 21 inches of rainfall.