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Portugal

Algarve - Portugal weather in May 2026

Portugal

Algarve - Portugal weather in May 2026

 

Day

22 °C

 

Night

14 °C

 

Sea

17 °C

 

Precipitation

23 mm

in month

 

Rainy days

4 days

in month

 

Daylight

14 hours

average

 

Sunshine

10 hours

average

 

Humidity

66 %

 

Day

22 °C

 

Night

14 °C

 

Sea

17 °C

 

Precipitation

23 mm

in month

 

Rainy days

4 days

in month

 

Daylight

14 hours

average

 

Sunshine

10 hours

average

 

Humidity

66 %

Overview: Algarve - Portugal

Looking for a perfect combination of relaxation and adventure? The Algarve is something for you. This beautiful coastal region in southern Portugal offers stunning beaches, crystal-clear waters, and year-round sunshine. Algarve offers a variety of outdoor adventures, including surfing, kayaking or rock climbing and hiking. Explore charming historic towns, such as Lagos and Faro, and indulge in fresh seafood and local wines.

Weather charts for Algarve - Portugal

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Beach with turquise water in Albufeira on a clear sky day
Enjoyable beach and lake in Carvoeiro with nice weather and blue sky
Beach and lake near Lagos at sunset time

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Weather overview and FAQs

Weather overview

In May in Algarve, the average air temperature ranges from 22 °C (72 °F) during the day to 14 °C (57 °F) at night. There are 4 days of rain on average, where the rainfall is 23 mm (0.92 in).

Are there good conditions to visit in May in Algarve?

Algarve can be visited in May - the weather will be moderate. The temperature of 14 °C (57 °F) at night may make it better to dine inside or to put on more clothes for a dinner outside.

What temperature can I expect during the day in Algarve in May?

In Algarve in May, the average daily temperatures will be 22 °C (72 °F). A comfortable temperature for most people, where it is neither too cold nor too hot, and a large number of activities can be carried out comfortably, including sunbathing by the water. Lighter clothing will be suitable - shorts, skirts, t-shirts, jackets; a light sweater and long trousers may also be useful.

What is the sea temperature in Algarve in May?

The temperature of the sea in Algarve in May is 17 °C (62 °F). At this sea temperature, swimming probably won't be the best experience. You probably won't like to stay in water for a long time. On the other hand, there are a minority of people who seek these conditions.

How many rainy days can I expect in May in Algarve?

In May in Algarve, we can expect 4 days to be rainy, that is, days when precipitation exceeds 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 1.0 days of the week, or in general - 14 % days.

Is the sea in Algarve warmer in May than in April?

Yes, in Algarve in May the sea temperature is higher by 1 °C (34 °F) compared to April.

What is the night temperature in Algarve in May?

The average night temperature in Algarve in May is 14 °C (57 °F). Nights can be cooler, morning running can be refreshing but choose appropriate clothing, evening outdoor sitting can be pleasant but you can also be cold.

How long is the day (from dawn till dusk) in Algarve in May?

The length of daylight in Algarve in May is 14 hours.

Is there a dry season in May in Algarve?

Yes, there is a dry season in May in Algarve with just 4 days during the month being rainy.

How many sunny hours can I expect in May in Algarve?

There is an average length of sunshine of 10 hours per day in May in Algarve.

How windy is it in Algarve in May?

An average wind scale that can be expected in Algarve in May is 4.

What is the temperature trend in Algarve in May?

Over the course of May in Algarve, the temperatures are rising from 21 °C (70 °F) at the beginning of the month to 24 °C (76 °F) at the end of the month.

Is Algarve rainier in May than in June?

Yes, in Algarve in May it rains more than in June.

How does the sea temperature evolve during the month in May in Algarve?

The sea temperature during May in Algarve has an increasing tendency from 16 °C (62 °F) at the beginning of the month to 18 °C (64 °F) at the end of the month.

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