Santa Monica weather in October 2025

Expect 77°F daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Santa Monica in October. Check more long-term weather averages for Santa Monica in October before you book your next holiday to California in 2025/2026.

  • 77°F maximum daytime temperature in October in Santa Monica77
    77°F max day temperature
  • 8 hours of sunshine per day
  • 2 days with some rainfall in October in Santa Monica2
    2 days with some rainfall
  • 57°F minimum night-time temperature in October in Santa Monica57
    57°F min night temperature
  • 11 hours of daylight per day in October in Santa Monica11
    11 hours of daylight per day
  • No heat & humidity in October in Santa Monica0
    No heat & humidity
  • 0.3 inches monthly rainfall in October in Santa Monica0.3
    0.3 inches of monthly rainfall
  • UV (maximum) index 6 (High) in October in Santa Monica6
    6 (High) UV index
  • 64°F sea temperature in October in Santa Monica64
    64°F sea temperature

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The October 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 October?

Daytime temperatures usually reach 77°F in Santa Monica in October with no heat and humidity, falling to 57°F at night.

How sunny is it in Santa Monica in October?

There are normally 8 hours of bright sunshine each day in Santa Monica in October - that's 73% of daylight hours.

How warm is the sea around Santa Monica in October?

The average sea temperature around Santa Monica in October is 64°F.

Does it ever rain in Santa Monica in October?

There are usually 2 days with some rain in Santa Monica in October and the average monthly rainfall is 0.3 inches.

Santa Monica October sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 05:49 17:38
Thursday, 16th October 2025 06:00 17:18
Friday, 31st October 2025 06:13 17:02

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