Altea weather in May 2025

Expect 22°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Altea in May. Check more long-term weather averages for Altea in May before you book your next holiday to Costa Blanca in 2025/2026.

  • 22°C maximum daytime temperature in May in Altea22
    22°C max day temperature
  • 9 hours of sunshine per day
  • 9 days with some rainfall in May in Altea9
    9 days with some rainfall
  • 12°C minimum night-time temperature in May in Altea12
    12°C min night temperature
  • 14 hours of daylight per day in May in Altea14
    14 hours of daylight per day
  • No heat & humidity in May in Altea0
    No heat & humidity
  • 32 mm monthly rainfall in May in Altea32
    32 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in May in Altea8
    8 (Very High) UV index
  • 18°C sea temperature in May in Altea18
    18°C sea temperature

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The May 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)

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More about the Costa Blanca

How hot is it in Altea in May?

Daytime temperatures usually reach 22°C in Altea in May, falling to 12°C at night.

How sunny is it in Altea in May?

There are normally 9 hours of bright sunshine each day in Altea in May - that's 62% of daylight hours.

How warm is the sea around Altea in May?

The average sea temperature around Altea in May is 18°C.

Does it rain in Altea in May?

There are usually 9 days with some rain in Altea in May and the average monthly rainfall is 32mm.

Altea May sunrise & sunset times

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


Date Sunrise times Sunset times
Thursday, 1st May 2025 06:03 19:52
Friday, 16th May 2025 05:47 20:06
Saturday, 31st May 2025 05:38 20:18

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