The temperatures in Viana do Castelo in May are usually low and can range between 12°C and 19°C.
You can expect about 3 to 8 days of rain in Viana do Castelo during the month of May. 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 May 2024.
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
19° / 12°
Rainy Days
5
Snowy Days
0
Dry Days
26
Rainfall
34
mm
Sun Hours
2.5
Hrs
