Santa Monica weather in May 2025

Expect 73°F daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Santa Monica in May. Check more long-term weather averages for Santa Monica in May before you book your next holiday to California in 2025/2026.

  • 73°F maximum daytime temperature in May in Santa Monica73
    73°F max day temperature
  • 9 hours of sunshine per day
  • 1 day with some rainfall in May in Santa Monica1
    1 day with some rainfall
  • 55°F minimum night-time temperature in May in Santa Monica55
    55°F min night temperature
  • 14 hours of daylight per day in May in Santa Monica14
    14 hours of daylight per day
  • No heat & humidity in May in Santa Monica0
    No heat & humidity
  • 0.2 inches monthly rainfall in May in Santa Monica0.2
    0.2 inches of monthly rainfall
  • UV (maximum) index 9 (Very High) in May in Santa Monica9
    9 (Very High) UV index
  • 59°F sea temperature in May in Santa Monica59
    59°F sea temperature

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The May weather guide for California (Santa Monica) 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 California

How hot is it in Santa Monica in May?

Daytime temperatures usually reach 73°F in Santa Monica in May, falling to 55°F at night.

How sunny is it in Santa Monica in May?

There are normally 9 hours of bright sunshine each day in Santa Monica in May - that's 65% of daylight hours.

How warm is the sea around Santa Monica in May?

The average sea temperature around Santa Monica in May is 59°F.

Does it ever rain in Santa Monica in May?

There is usually 1 day with some rain in Santa Monica in May and the average monthly rainfall is 0.2 inches.

Santa Monica May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:04 18:38
Friday, 16th May 2025 04:52 18:50
Saturday, 31st May 2025 04:44 19:00

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