If you’re hoping to get lost in the rain on your romantic getaway, take a look at these details about year-round temperatures in Carolina Forest: The hottest months are usually July and August, with an average temperature of 26°C, while the coldest months are January and February, with an average of 12°C. The rainiest months in Carolina Forest are August, July, September and June, with each month seeing an average of 182 mm of rainfall.