The temperatures in Viana do Castelo in July are comfortable with low of 16°C and and high up to 23°C.
You can expect a few rainy days in Viana do Castelo during July, but usually the weather is comfortable in July.
Our weather forecast can give you a great sense of what weather to expect in Viana do Castelo in July 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
23° / 16°
Rainy Days
1
Snowy Days
0
Dry Days
30
Rainfall
7
mm
Sun Hours
3.2
Hrs