Lagoa weather in August 2025

Expect 27°C daytime maximum temperatures in the shade with on average 11 hours of sunshine per day in Lagoa in August. Check more long-term weather averages for Lagoa in August before you book your next holiday to Algarve in 2025/2026.

27
27°C max day temperature
11
11 hours of sunshine per day
1
1 day with some rainfall
18
18°C min night temperature
14
14 hours of daylight per day
M
Moderate heat & humidity
2
2 mm of monthly rainfall
9
9 (Very High) UV index
21
21°C sea temperature

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The August weather guide for Algarve (Lagoa) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm) | Imperial (°F / inches)

More about the Algarve

How hot is it in Lagoa in August?

Daytime temperatures usually reach 27°C in Lagoa in August with moderate heat and humidity, falling to 18°C at night.

How sunny is it in Lagoa in August?

There are normally 11 hours of bright sunshine each day in Lagoa in August - that's 82% of daylight hours.

How warm is the sea around Lagoa in August?

The average sea temperature around Lagoa in August is 21°C.

Does it ever rain in Lagoa in August?

There is usually 1 day with some rain in Lagoa in August and the average monthly rainfall is 2mm.

Lagoa August sunrise & sunset times

Browse the sunrise and sunset times for Lagoa in August 2025. Select a month to view Lagoa sunrise and sunset times for the next 12 months.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Date	Sunrise times	Sunset times
Friday, 1st August 2025	05:39	19:41
Saturday, 16th August 2025	05:51	19:24
Sunday, 31st August 2025	06:04	19:04

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Algarve - quick facts
Flight time^✝	3 hours
Time difference	UK +0 hours
Language(s)	Portuguese
Currency	Euro
Electricity	C + F plug (230V)
Driving side	Right
Why visit?	Beaches Nature Nightlife
Tourist info	Algarve Promotion Bureau