Taking into account the local weather in Astor is an important factor for planning your visit, especially if you plan to spend your trip poolside. The hottest months are usually July and August with an average temp of 81°F, while the coldest months are January and February with an average of 62°F. The rainiest months in Astor are July, August, June, and September, with each month seeing an average of 7 inches of rainfall.