Planning for the weather is an important factor for making your trip to Palmae-ri a success, especially when you're splurging. The hottest months are usually August and July with an average temp of 75°F, while the coldest months are January and February with an average of 41°F. The rainiest months in Palmae-ri are July, August, September, and June, with each month seeing an average of 9 inches of rainfall.