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Altea weather in August 2025
Expect daytime maximum temperatures of 30°C in Altea, Costa Blanca in August and high heat and humidity based on long-term weather averages. There are 10 hours of sunshine per day on average.
- 30°C max day temperature
30 - 10 hours of sunshine per day
- 4 days with some rainfall
4 - 20°C min night temperature
20 - 14 hours of daylight per day
14 - High heat & humidity
H - 18 mm of monthly rainfall
18 - 9 (Very High) UV index
9 - 26°C sea temperature
26
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Recommended for the Costa Blanca
The August weather guide for Costa Blanca (Altea) 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 Costa Blanca
How hot is it in Altea in August?
Daytime temperatures usually reach 30°C in Altea in August with high heat and humidity, falling to 20°C at night.
How sunny is it in Altea in August?
There are normally 10 hours of bright sunshine each day in Altea in August - that's 70% of daylight hours.
How warm is the sea around Altea in August?
The average sea temperature around Altea in August is 26°C.
Does it rain in Altea in August?
There are usually 4 days with some rain in Altea in August and the average monthly rainfall is 18mm.
Altea August sunrise & sunset times
Browse the sunrise and sunset times for Altea in August 2025. Select a month to view Altea sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Friday, 1st August 2025 | 06:02 | 20:11 |
| Saturday, 16th August 2025 | 06:15 | 19:53 |
| Sunday, 31st August 2025 | 06:29 | 19:32 |
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