If you're looking forward to lots of outings with your partner, check out these details about year-round temperatures in Las Tablas: The hottest months are usually March and April with an average temp of 79°F, while the coldest months are January and December with an average of 78°F. The rainiest months in Las Tablas are October, November, September, and August, with each month seeing an average of 13 inches of rainfall.