Taking the local weather in San Jose de Buan into account is an important factor for planning your visit, especially if you plan to spend your trip by the pool. The hottest months are usually May and April, with an average temperature of 27°C, while the coldest months are February and January, with an average of 26°C. The rainiest months in San Jose de Buan are July, June, September and August, with each month seeing an average of 301 mm of rainfall.