If you’re hoping to get lost in the rain on your romantic getaway, check out these details about year-round temperatures in Montería: The hottest months are usually February and March with an average temp of 82°F, while the coldest months are November and October with an average of 79°F. The rainiest months in Montería are May, July, August, and June, with each month seeing an average of 10 inches of rainfall.