Taking into account the local weather in Asa 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 82°F, while the coldest months are January and February with an average of 66°F. The rainiest months in Asa are June, May, August, and October, with each month seeing an average of 12 inches of rainfall.