You'll likely spend much of your trip indoors, but if you're planning to venture beyond the casino, looking at local weather trends is a good idea. The hottest months are usually September and October with an average temp of 83°F, while the coldest months are February and January with an average of 80°F. The rainiest months in Scarborough are November, July, October, and August, with each month seeing an average of 8 inches of rainfall.