Altea weather in August 2025

Expect daytime maximum temperatures of 86°F 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.

  • 86°F maximum daytime temperature in August in Altea86
    86°F max day temperature
  • 10 hours of sunshine per day
  • 4 days with some rainfall in August in Altea4
    4 days with some rainfall
  • 68°F minimum night-time temperature in August in Altea68
    68°F min night temperature
  • 14 hours of daylight per day in August in Altea14
    14 hours of daylight per day
  • High heat & humidity in August in AlteaH
    High heat & humidity
  • 0.7 inches monthly rainfall in August in Altea0.7
    0.7 inches of monthly rainfall
  • UV (maximum) index 9 (Very High) in August in Altea9
    9 (Very High) UV index
  • 79°F sea temperature in August in Altea79
    79°F sea temperature

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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)  |  Imperial (°F)

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More about the Costa Blanca

How hot is it in Altea in August?

Daytime temperatures usually reach 86°F in Altea in August with high heat and humidity, falling to 68°F 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 79°F.

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 0.7 inches.

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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