Porto weather

Our guide to the weather in Porto during April

18

Average high

4

UV Index

139mm

Monthly rainfall

14

Sea temperature

Porto is a vibrant city with plenty of cultural attractions, stunning architecture, and delicious cuisine, making it an ideal destination for Irish tourists to explore in April. 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 April.

What's the temperature like in Porto during April?

The temperature reaches around 18℃ during the daytime in April, falling away to 11℃ 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 April?

On average, there will be 7 rainy days during the month, amounting to 139.4mm 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 April?

You're unlikely to experience any strong winds. Expect a light breeze that picks up slightly at times in April. With moderate air temperatures, any breeze will feel cool.

Is it too cold to swim in the sea in Porto during April?

The water around Porto is a bracing 14℃ during April 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 Ireland's most popular travel bloggers

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20 city break destinations for 2022

28th March 2022 by The Travel Expert

I’m a big fan of city breaks. I love how much you can discover in a new city such a short space of time. However, if you’re not one for pounding the pavements and covering an entire city on foot, settling down with a coffee and people watching in a town square can be just as enjoyable. We are fortunate to have many of Europe’s top city break destinations available from a variety of Irish airports this year. I have picked my top 20 to inspire your next break away. ...

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Porto city guide

12th March 2018 by The Daily S'elf

Over the last couple of years there’s been a massive increase in interest for Irish tourists travelling to Portugal. Sure, it’s always been popular, but it suddenly seemed like every second person on Instagram was posting pictures of beautiful tiles in Porto and delicious meals in Lisbon rather than package holidays to the Algarve. Keen to find out for myself what all the fuss is about, when I was approached by SuperValu to collaborate on some content surrounding their Real Rewards...

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