If you’re looking forward to lots of outings with your partner, check out these details about year-round temperatures in Tam Ky: The hottest months are usually June and July with an average temp of 84°F, while the coldest months are January and February with an average of 73°F. The rainiest months in Tam Ky are November, October, December, and September, with each month seeing an average of 21 inches of rainfall.