Porto weather

Our guide to the weather in Porto during May

21

Average high

5

UV Index

97mm

Monthly rainfall

16

Sea temperature

Porto is a vibrant and picturesque city, perfect for a getaway in May, boasting warm days and mild evenings. We've looked at the most up-to-date weather data for Porto, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Porto weather in May.

How warm is it in Porto during May?

The temperature reaches around 21℃ during the daytime in May, falling away to 13℃ at night. The UV index will be moderate at this time of year, so not something to worry about for the average person. However, if you're going to be outside for long periods it's worth wearing a broad spectrum SPF 30+ sunscreen and UV-blocking sunglasses. Remember that bright surfaces, such as water and sand increase UV exposure.

Does it rain in Porto during May?

On average, there will be 5 rainy days during the month, amounting to 97.0mm in total. That's a significant amount of rain. For comparison, the wettest months in the UK typically sees between 80mm and 100mm, depending on where you are. There's a small chance that you'll catch a thunderstorm during your trip.

Is it windy in Porto during May?

You're unlikely to experience any strong winds. Expect a light breeze that picks up slightly at times in May. With warm air temperatures and high humidity, any breeze will feel warm but refreshing.

How warm is the sea in Porto during May?

The water around Porto is a bracing 16℃ during May and would be considered too cold for swimming. Those who are a bit more hardy or frequently swim in cooler open water might want to take a quick dip. A wetsuit would be advisable if you wish to spend longer than 5 minutes in the water.

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Porto Blog posts

From the UK's most popular travel bloggers

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The Best Souvenirs from Porto

25th April 2024 by Inside the Travel Lab

Discover the perfect souvenirs to bring back from Porto with our reliable Porto souvenir guide. Explore the must-have items to remember your trip by, handpicked by a seasoned traveller....

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Is Porto Worth Visiting? My Honest Opinion After Several Visits

28th January 2024 by PommieTravels

Is Porto worth visiting? That's a question many travellers have been asking as this underrated gem of Portugal starts to gain more attention. While Lisbon may be the capital and the go-to destination for most, Porto has its own unique charm that shouldn't be overlooked. As a seasoned traveller who has visited Porto multiple times, Victoria Brewood of PommieTravels is here to give her honest opinion on whether this vibrant city is worth a visit. So, if you're curious about what Porto has to...

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12 Places in Porto To Find Portuguese Azulejo Tiles

2nd October 2023 by Where Angie Wanders

Azulejo tiles in Porto are a captivating sight and a must-see when exploring the city. This guide will take you to the finest locations where you can admire the exquisite blue and white Porto tiles. It also offers valuable tips to enhance your experience. Discover the 12 places in Porto where Portuguese Azulejo tiles can be found and immerse yourself in their beauty....

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Day Trip from Porto to Foz do Douro

13th April 2023 by Twins that Travel

Prior to our own trip to Porto, I’ll admit that I knew embarrassingly little about the geography of this beautiful city. While I was (at least) aware that it hugged the shores of the magnificent River Douro, I hadn’t quite appreciated its proximity to Portugal’s wild Atlantic Coast. Lying just two miles from the river’s mouth, I soon discovered that Porto has a distinctly coastal side – an area known as Foz do Douro (meaning ‘Mouth of the River Douro’). Just a short bus or tram...

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18 Best Instagram Spots in Porto, Portugal

7th April 2023 by Twins that Travel

Having heard rumours of churches decorated in intricate blue and white tiles, breathtaking river views and charming alleyways, we were keen to compile a list of the best Instagram spots in Porto before our own trip, last week. During our three days in Porto, we stumbled across many more picture-perfect sights than we’d written down. Allowing ourselves time to wonder the city’s many lanes and hillsides, we discovered quirky street-art, unexpectedly quintessential English country gardens and...

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PORTO Eating & Drinking In The City - We Even Went to McDonald’s!!!

13th April 2023 by Fly Drive Explore

Porto food - We're eating and drinking around Porto, Portugal. Well as tourists, what did we actually eat on our own Porto food tour. We had to try the Francesinha, the Portuguese sandwich from Porto and yes it comes with chips! As well as the local food we actually went to a branch of McDonald’s, the McDonald's Imperial is the fanciest McDonald’s with unique art deco stained glass windows and chandeliers. One thing we do like is Port......

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What to eat in Porto - The best food in Porto

5th September 2022 by The World in My Pocket

The food in Porto is fresh, full of flavour, and, of course, delicious. If you like seafood but also have a sweet tooth, then you have chosen the perfect destination for your next holiday. Among the best foods to eat in Porto I have to mention the famous all over the world Francesinha - an extremely indulgent sandwich that will fill you for the entire day and the delicious dishes made with cod fish....

Weather in Porto

Our month-by-month guide to the weather and climate in Porto

13.5

Porto weather in

January
14.3

Porto weather in

February
16.3

Porto weather in

March
17.8

Porto weather in

April
20.8

Porto weather in

May
22.7

Porto weather in

June
25.2

Porto weather in

July
25.8

Porto weather in

August
24.8

Porto weather in

September
21.6

Porto weather in

October
16.2

Porto weather in

November
14.5

Porto weather in

December