Taking into account the local weather in Beaufort is an important factor for planning your visit, especially if you plan to spend your trip poolside. The hottest months are usually May and August with an average temp of 79°F, while the coldest months are February and January with an average of 78°F. The rainiest months in Beaufort are October, December, November, and January, with each month seeing an average of 12 inches of rainfall.