If you’re hoping to get lost in the rain on your romantic getaway, check out these details about year-round temperatures in Povoa de Lanhoso: The hottest months are usually August and July with an average temp of 68°F, while the coldest months are February and January with an average of 48°F. The rainiest months in Povoa de Lanhoso are October, December, January, and November, with each month seeing an average of 10 inches of rainfall.