Porto weather in May (Norte Region, Portugal)

Looking to travel to Porto in May? Check out this comprehensive weather guide.

In Porto the weather in May is generally perfect, with pleasant temperatures and moderate rainfall. Daytime temperatures hover around 20°C, while nights can cool down to about 14°C.

Porto in May usually receives moderate rainfall, averaging around 98 mm for the month. Delving into the climate records from the past 30 years, one can predict that nearly 13 days of the month will see rainfall.

With around 255 hours of sunshine, the days are mostly sunny. It gives a pleasant and vibrant feel to the area.

So this is a great month to visit if you prefer dry days with pleasant temperatures. May, June, July, August and September typically offer the most optimal weather. In contrast, January, February, March, November and December tend to have less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Porto climate page with graphs.

 

Porto, monthly averages in May

Min Temperature 14°C  

Max Temperature 20°C  

Water Temperature 15°C  

Chance of Rain 43%  

Precipitation 98 mm  

Rainy days 13 days  

Humidity 74%  

Windspeed 18 km/h  

Sunshine 255 hours  

Percentage Sunshine 61%  

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.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in Porto in May?

For visitors traveling to Porto, 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. With a water temperature of around 15°C there is no need to bring your swimwear.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in May.

Cycling

9/10

Walking

9/10

Barbeque

8/10

Camping

8/10

Outdoor sports

9/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Porto.

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.