If you're looking forward to lots of outings with your partner, take a look at these details about year-round temperatures in Simití: The hottest months are usually February and March, with an average temperature of 27°C, while the coldest months are December and November, with an average of 25°C. The rainiest months in Simití are May, October, June and August, with each month seeing an average of 448 mm of rainfall.