San Juan weather in May 2025

Expect 70°F daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in San Juan in May. Check more long-term weather averages for San Juan in May before you book your next holiday to Ibiza in 2025/2026.

  • 70°F maximum daytime temperature in May in San Juan70
    70°F max day temperature
  • 9 hours of sunshine per day
  • 8 days with some rainfall in May in San Juan8
    8 days with some rainfall
  • 55°F minimum night-time temperature in May in San Juan55
    55°F min night temperature
  • 14 hours of daylight per day in May in San Juan14
    14 hours of daylight per day
  • No heat & humidity in May in San Juan0
    No heat & humidity
  • 1.1 inches monthly rainfall in May in San Juan1.1
    1.1 inches of monthly rainfall
  • UV (maximum) index 8 (Very High) in May in San Juan8
    8 (Very High) UV index
  • 64°F sea temperature in May in San Juan64
    64°F sea temperature

More about San Juan

San Juan by month

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The May weather guide for Ibiza (San Juan) 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 Ibiza

How hot is it in San Juan in May?

Daytime temperatures usually reach 70°F in San Juan in May, falling to 55°F at night.

How sunny is it in San Juan in May?

There are normally 9 hours of bright sunshine each day in San Juan in May - that's 63% of daylight hours.

How warm is the sea around San Juan in May?

The average sea temperature around San Juan in May is 64°F.

Does it rain in San Juan in May?

There are usually 8 days with some rain in San Juan in May and the average monthly rainfall is 1.1 inches.

San Juan May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:56 19:47
Friday, 16th May 2025 05:40 20:01
Saturday, 31st May 2025 05:30 20:13

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