Planning for the weather is an important factor for making your trip to Lach Tray a success, especially when you're splurging. The hottest months are usually June and July with an average temp of 84°F, while the coldest months are January and December with an average of 66°F. The rainiest months in Lach Tray are August, September, July, and October, with each month seeing an average of 13 inches of rainfall.