Alvor weather

Our guide to the weather in Alvor during May

21

Average high

6

UV Index

15mm

Monthly rainfall

17

Sea temperature

We've looked at the most up-to-date weather data for Alvor, 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 Alvor weather in May.

How warm is it in Alvor 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 Alvor 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 Alvor during May?

You're unlikely to experience any strong winds. Expect a gentle breeze that increases to moderate at times during May. With warm air temperatures and high humidity, any breeze will feel warm but refreshing.

How warm is the sea in Alvor during May?

The water around Alvor is around 17℃ 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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Weather in Alvor

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

15.4

Alvor weather in

January
15.6

Alvor weather in

February
16.6

Alvor weather in

March
18.0

Alvor weather in

April
21.0

Alvor weather in

May
23.2

Alvor weather in

June
25.4

Alvor weather in

July
26.2

Alvor weather in

August
24.8

Alvor weather in

September
22.6

Alvor weather in

October
18.6

Alvor weather in

November
16.7

Alvor weather in

December