The temperatures in Viana do Castelo in December are quite cold with temperatures between 9°C and 14°C, warm clothes are a must.
You can expect rain for roughly half of the month of December in Viana do Castelo. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Viana do Castelo in December 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
14° / 9°
Rainy Days
10
Snowy Days
0
Dry Days
21
Rainfall
86
mm
Sun Hours
1.8
Hrs
