Viana do Castelo weather in May (Norte Region, Portugal)
Planning a trip to Viana do Castelo in May? Wondering if it's an optimal time for a visit? This page provides detailed information on the weather conditions for that month.
In May, Viana do Castelo typically experiences pleasant temperatures and high rainfall. Daytime temperatures hover around 19°C, while nights can cool down to about 13°C.
Viana do Castelo in May usually receives high rainfall, averaging around 123 mm for the month. Rain is expected on roughly 14 days.
The days are predominantly sunny, with an estimated total of around 255 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 prefer dry days with pleasant temperatures, June, July, August and September typically offer 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 May
Where to go in Portugal in May
Find out more about the weather in Portugal in May and which places have the best weather conditions in this month.
So, what should you wear in Viana do Castelo in May?
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 May.
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.