Weather is probably a major factor when you plan your trip to Santa Elena, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually April and May, with an average temperature of 28°C, while the coldest months are January and December, with an average of 23°C. The rainiest months in Santa Elena are September, June, August and October, with each month seeing an average of 232 mm of rainfall.