Algarve weather

Our guide to the weather in the Algarve during May

21

Average high

6

UV Index

14mm

Monthly rainfall

18

Sea temperature

Algarve, Portugal is a beautiful destination for British tourists to enjoy sunny days, stunning beaches and a variety of activities, particularly in May when temperatures are comfortable. We've looked at the most up-to-date weather data for the Algarve, covering the last 12 years up to 2026, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about the Algarve weather in May.

What's the weather like in the Algarve in May?

Coco Butter Blog The weather in the Algarve in May is usually sunny and warm. You can sometimes get a couple of rainy days but these are rare. The temperature does tend to drop a little at night time. Answered by Coco Butter Blog

What should I pack for a holiday in the Algarve in May?

Coco Butter Blog You should pack your summer wardrobe. Shorts, t-shirts, and plenty of swimwear for refreshing dips in the sea. Sandals and sunglasses are also a must. Bring a warm layer like a jacket for night time and perhaps a waterproof coat, in case of rain. Answered by Coco Butter Blog

What's great about the Algarve in May?

Coco Butter Blog For some early summer sun, there's nowhere better than the Algarve. The temperatures are warm but not too hot, so it's great for outdoor activities like walking along the rugged coastline. It's also the beginning of the tourist season, so it's not too busy. Answered by Coco Butter Blog

How warm is it in the Algarve during May?

The temperature reaches around 21℃ during the daytime in May, falling away to 16℃ at night. The UV index will be high at this time of year, so protection against skin and eye damage is needed. Try to limit exposure between 10am and 4pm. Apply broad spectrum SPF 30+ sunscreen every few hours, even if it's cloudy, or more frequently after sweating or swimming, and wear UV-blocking sunglasses too, and bear in mind that bright surfaces, such as sand and water increase UV exposure.

Does it rain in the Algarve during May?

On average, in May you'll see rain on just one day in the month. In other words, you shouldn't see any of the wet stuff. There's a small chance that you'll catch a thunderstorm during your trip.

Is it windy in the Algarve during May?

You're unlikely to experience any strong winds. Expect a gentle breeze that increases to moderate at times during May. With moderate humidity and mild air temperatures, the breeze will have a slight cooling effect.

How warm is the sea in the Algarve during May?

The water around the Algarve is around 18℃ during May. It will feel a little on the cool when first entering, but you'll warm up quickly. Most kids will have no problem with this temperature, but those who feel the cold are unlikely to want to swim.

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Algarve Blog posts

From the UK's most popular travel bloggers

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3 Days in the Algarve: Explore Beyond the Beaches

30th March 2026 by Emily Luxton

For those looking to experience the Algarve beyond its stunning coastline, this three-day itinerary offers a delightful blend of charming towns, rich culture, and leisurely exploration. Discover the region's hidden gems and immerse yourself in the authentic Portuguese lifestyle....

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4 Day Family-Friendly Itinerary for Vale do Lobo, Algarve

10th December 2025 by Twins that Travel

Vale do Lobo in the Algarve is a fantastic destination for families seeking sun, sand, and plenty of activities. This four-day itinerary is designed to help you make the most of your time in this beautiful region, offering a mix of relaxation and adventure that caters to all ages. From stunning beaches to exciting excursions, there’s something for everyone in this family-friendly guide....

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Get Ready for a Family Holiday in the Algarve

16th June 2025 by Globalmouse Travels

The Algarve is a fantastic choice for a family holiday, offering a delightful mix of sun, sea, and activities for all ages. With its breathtaking coastline, inviting Mediterranean climate, and a variety of attractions, this Portuguese region caters to everyone’s interests. From thrilling outdoor adventures to cultural experiences and relaxing days on the beach, families will find plenty to enjoy in the Algarve....

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Visiting the Algarve in Winter – Everything You Need To Know

20th December 2024 by The World in My Pocket

Are you yearning for an affordable winter break with sandy beaches and delicious pastéis de nata? Consider a trip to the Algarve during the winter months. Unlike the scorching summer heat that can reach over 35°C (95°F), winter in the Algarve offers mild days with temperatures ranging from 15-20°C (59-68°F) – ideal for......

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19th April 2024 by Midlands Traveller

Tucked away on the picturesque Algarve coastline of Portugal lies Quinta Do Lago, an exclusive resort offering visitors a luxury holiday experience. With pristine beaches, world-class golf courses, fine dining, and plenty of leisure activities, it has something for everyone. Read on for tips on how to plan an unforgettable trip to this Portuguese paradise....

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Salema Portugal: Things To Do For Free

7th March 2024 by Travel Vixta

If you're thinking of heading to the delightful coastal village of Salema in Portugal, rest assured that there are numerous free activities to enjoy. Whether it's lounging on the beach, exploring quaint streets, or sampling local cuisine, Salema has something for everyone without breaking the bank....

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Praia do Castelejo: Explore this Wild, Rugged, Unspoiled Algarve Beach

1st March 2024 by Travel Vixta

While holidaying in the serene sleepy fishing village of Salema resort recently, we took a trip to the Cape of Saint Vincent to see the Land’s End of Portugal and mainland Europe (the most southwesterly point). Before returning to our holiday home in Salema, we decided to have a quick pitstop at a beach on the western coast of the Faro district for a quick beach walk and to check out some scenery on the opposite side of the coast from where we were staying. The beach we decided to visit was...

Weather in the Algarve

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

15.3

Algarve weather in

January
15.6

Algarve weather in

February
16.7

Algarve weather in

March
18.3

Algarve weather in

April
21.4

Algarve weather in

May
24.1

Algarve weather in

June
26.5

Algarve weather in

July
27.3

Algarve weather in

August
25.2

Algarve weather in

September
22.5

Algarve weather in

October
18.7

Algarve weather in

November
16.6

Algarve weather in

December