Taking into account the local weather in La Guaira is an important factor for planning your visit, especially if you plan to spend your trip poolside. The hottest months are usually May and September with an average temp of 80°F, while the coldest months are January and February with an average of 79°F. The rainiest months in La Guaira are July, November, August, and October, with each month seeing an average of 14 inches of rainfall.