Weather will likely play an important role when you plan your trip to Muros, and keep in mind that cheaper options are usually available when the weather isn’t as good. The hottest months are usually August and July with an average temp of 66°F, while the coldest months are February and January with an average of 49°F. The rainiest months in Muros are October, December, November, and January, with each month seeing an average of 9 inches of rainfall.