Weather in Viana do Castelo

Viana do Castelo Weather

Average Weather in Viana do Castelo

In Viana do Castelo, the summers are comfortable, dry, and mostly clear and the winters are cold, wet, and partly cloudy. Over the course of the year, the temperature typically varies from 8°C to 24°C and is rarely below 4°C or above 30°C. Based on the tourism score, the best time of year to visit Viana do Castelo for warm-weather activities is from mid May to early November.