Taking into account the local weather in San Jose del Guaviare is an important factor for planning your visit, especially if you plan to spend your trip poolside. The hottest months are usually February and January with an average temp of 79°F, while the coldest months are July and June with an average of 75°F. The rainiest months in San Jose del Guaviare are May, April, June, and July, with each month seeing an average of 15 inches of rainfall.