The temperatures in Viana do Castelo in April are usually low and can range between 10°C and 17°C.
You can expect about 3 to 8 days of rain in Viana do Castelo during the month of April. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Viana do Castelo in April 2025.
If you’re planning to visit Viana do Castelo in the near future, we highly recommend that you review the 14 day weather forecast for Viana do Castelo before you arrive.
Temperatures
17° / 10°
Rainy Days
7
Snowy Days
0
Dry Days
23
Rainfall
49
mm
Sun Hours
2.4
Hrs