You might spend a lot of your vacation inside, but if you want to see more of the area, looking at local weather trends is a good idea. The hottest months are usually July and August with an average temp of 70°F, while the coldest months are February and January with an average of 29°F. The snowiest months in Hot Springs are April, January, February, and December, with each month seeing an average of 9 inches of snowfall.