Weather will likely play an important role when you plan your trip to Gerês, but bear 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 temperature of 20°C, while the coldest months are January and February, with an average of 9°C. The rainiest months in Gerês are October, December, January and November, with each month seeing an average of 276 mm of rainfall.