Viana do Castelo weather in August (Norte Region, Portugal)
What can you expect from the weather in Viana do Castelo during August? Wondering if it's an optimal time for a visit? This page provides detailed information on the weather conditions for that month.
In Viana do Castelo the weather in August is generally perfect, with high temperatures and moderate rainfall. August is a summer month. Anticipate daytime temperatures around 24°C, while night temperatures can drop to 16°C. On average, it is the month with the highest temperature of the year.
Viana do Castelo in August usually receives moderate rainfall, averaging around 41 mm for the month. Rain is expected on roughly 7 days.
The days are predominantly sunny, with an estimated total of around 295 hours of sunshine. This amount of sunlight does not only brightens the days but also contributes to a cheerful ambiance in the area during this month.
If you're a fan of comfortable temperatures and drier conditions, August is a great time to visit. June, July, August and September generally stand out with the best circumstances. While January, November and December tend to showcase less optimal conditions.
For an in-depth look at the yearly conditions, visit our specialized Viana do Castelo climate page with graphs.
Viana do Castelo, monthly averages in August
Min Temperature
16°C
Max Temperature
24°C
Chance of Rain
22%
Precipitation
41 mm
Rainy days
7 days
Humidity
73% *
Sunshine
295 hours *
Percentage Sunshine
73% *
Where to go in Portugal in August
Find out more about the weather in Portugal in August and which places have the best weather conditions in this month.
perfect weather
pleasant
tolerable
unpleasant
poor
So, what should you wear in Viana do Castelo in August?
For visitors traveling to Viana do Castelo, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.What To Do
We rated the following activities from 1 (least suitable) to 10 (best) to do in August.
Interested in more climate information?
Weather and Climate provides you with all the information you need about the climate in Viana do Castelo.
Our site offers climate and forecast data for every country in the world. Are you going to Portugal? On this website you can find historical weather averages for many cities in Portugal. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.
