Average temperature in Viana do Castelo
The mean minimum and maximum temperatures over the year in Viana do Castelo (Norte Region), Portugal.
- The months of June, July, August and September have nice average temperatures.
- On average, the warmest month is August with 24°C.
- On average, the coolest month is January with 14°C.
- The average annual maximum temperature is 19°C.
- The average annual minimum temperature is 12°C.
Weather Forecasts for Viana do Castelo
partly cloudy and no rain
partly cloudy and no rain
clear and no rain