Santa Cruz weather in May 2025

Expect 21°C daytime maximum temperatures in the shade with on average 11 hours of sunshine per day in Santa Cruz in May. Check more long-term weather averages for Santa Cruz in May before you book your next holiday to California in 2025/2026.

  • 21°C maximum daytime temperature in May in Santa Cruz21
    21°C max day temperature
  • 11 hours of sunshine per day
  • 2 days with some rainfall in May in Santa Cruz2
    2 days with some rainfall
  • 8°C minimum night-time temperature in May in Santa Cruz8
    8°C min night temperature
  • 14 hours of daylight per day in May in Santa Cruz14
    14 hours of daylight per day
  • No heat & humidity in May in Santa Cruz0
    No heat & humidity
  • 11 mm monthly rainfall in May in Santa Cruz11
    11 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in May in Santa Cruz8
    8 (Very High) UV index
  • 12°C sea temperature in May in Santa Cruz12
    12°C sea temperature

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The May weather guide for California (Santa Cruz) 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 California

How hot is it in Santa Cruz in May?

Daytime temperatures usually reach 21°C in Santa Cruz in May, falling to 8°C at night.

How sunny is it in Santa Cruz in May?

There are normally 11 hours of bright sunshine each day in Santa Cruz in May - that's 76% of daylight hours.

How warm is the sea around Santa Cruz in May?

The average sea temperature around Santa Cruz in May is 12°C.

Does it ever rain in Santa Cruz in May?

There are usually 2 days with some rain in Santa Cruz in May and the average monthly rainfall is 11mm.

Santa Cruz May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:13 18:57
Friday, 16th May 2025 04:59 19:10
Saturday, 31st May 2025 04:50 19:22

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