The temperatures in Viana do Castelo in June are comfortable with low of 15°C and and high up to 21°C.
You can expect about 3 to 8 days of rain in Viana do Castelo during the month of June. 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 June 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
21° / 15°
Rainy Days
3
Snowy Days
0
Dry Days
27
Rainfall
17
mm
Sun Hours
2.6
Hrs