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Guia weather in August 2025
Expect 28°C daytime maximum temperatures in the shade with on average 11 hours of sunshine per day in Guia in August. Check more long-term weather averages for Guia in August before you book your next holiday to Algarve in 2025/2026.
- 28°C max day temperature
28 - 11 hours of sunshine per day
- 1 day with some rainfall
1 - 17°C min night temperature
17 - 14 hours of daylight per day
14 - Moderate heat & humidity
M - 2 mm of monthly rainfall
2 - 9 (Very High) UV index
9 - 21°C sea temperature
21
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The August weather guide for Algarve (Guia) 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 Guia in August?
Daytime temperatures usually reach 28°C in Guia in August with moderate heat and humidity, falling to 17°C at night.
How sunny is it in Guia in August?
There are normally 11 hours of bright sunshine each day in Guia in August - that's 82% of daylight hours.
How warm is the sea around Guia in August?
The average sea temperature around Guia in August is 21°C.
Does it ever rain in Guia in August?
There is usually 1 day with some rain in Guia in August and the average monthly rainfall is 2mm.
Guia August sunrise & sunset times
Browse the sunrise and sunset times for Guia in August 2025. Select a month to view Guia sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Friday, 1st August 2025 | 05:38 | 19:40 |
| Saturday, 16th August 2025 | 05:51 | 19:24 |
| Sunday, 31st August 2025 | 06:03 | 19:03 |
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