Santa Monica weather in May 2026

Expect daytime maximum temperatures of 73°F in Santa Monica, California in May based on long-term weather averages. There are 9 hours of sunshine per day on average.

  • 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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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.

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 2026. Select a month to view Santa Monica sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st May 2026 05:05 18:38
Saturday, 16th May 2026 04:52 18:50
Sunday, 31st May 2026 04:44 19:00

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