Taking into account the local weather in Frei is an important factor for planning your visit, especially if you plan to spend your trip poolside. The hottest months are usually August and July with an average temp of 54°F, while the coldest months are January and February with an average of 34°F. The rainiest months in Frei are October, September, December, and March, with each month seeing an average of 8 inches of rainfall.