Weather is probably a major factor when you plan your trip to Calima, and keep in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually August and September with an average temp of 66°F, while the coldest months are January and July with an average of 66°F. The rainiest months in Calima are May, April, June, and October, with each month seeing an average of 23 inches of rainfall.