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 August and July with an average temp of 57°F, while the coldest months are January and February with an average of 27°F. The rainiest months in Beaufort are May, December, June, and November, with each month seeing an average of 7 inches of rainfall.