When you're dreaming of a trip to La Esmeralda, be sure to take into account the year-round temperatures. The hottest months are usually April and March 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 Esmeralda are July, August, October, and November, with each month seeing an average of 14 inches of rainfall.