If you’re hoping to get lost in the rain on your romantic getaway, check out these details about year-round temperatures in Calima: 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.