Planning for the weather is an important factor for making your trip to Yerae-dong a success, especially when you’re splurging. The hottest months are usually August and July with an average temp of 76°F, while the coldest months are January and February with an average of 48°F. The rainiest months in Yerae-dong are July, August, September, and June, with each month seeing an average of 11 inches of rainfall.