Taking into account the local weather in Aberdaron 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 February and January with an average of 44°F. The rainiest months in Aberdaron are December, November, October, and January, with each month seeing an average of 7 inches of rainfall.