Taking into account the local weather in Omealca is an important factor for planning your visit, especially if you plan to spend your trip poolside. The hottest months are usually April and May with an average temp of 70°F, while the coldest months are January and February with an average of 63°F. The rainiest months in Omealca are September, June, August, and July, with each month seeing an average of 10 inches of rainfall.