Santa Barbara weather in May 2026

Expect daytime maximum temperatures of 20°C in Santa Barbara, California in May based on long-term weather averages. There are 10 hours of sunshine per day on average.

  • 20°C maximum daytime temperature in May in Santa Barbara20
    20°C max day temperature
  • 10 hours of sunshine per day
  • 1 day with some rainfall in May in Santa Barbara1
    1 day with some rainfall
  • 8°C minimum night-time temperature in May in Santa Barbara8
    8°C min night temperature
  • 14 hours of daylight per day in May in Santa Barbara14
    14 hours of daylight per day
  • No heat & humidity in May in Santa Barbara0
    No heat & humidity
  • 8 mm monthly rainfall in May in Santa Barbara8
    8 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in May in Santa Barbara9
    9 (Very High) UV index
  • 14°C sea temperature in May in Santa Barbara14
    14°C sea temperature

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The May weather guide for California (Santa Barbara) 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 Barbara in May?

Daytime temperatures usually reach 20°C in Santa Barbara in May, falling to 8°C at night.

How sunny is it in Santa Barbara in May?

There are normally 10 hours of bright sunshine each day in Santa Barbara in May - that's 70% of daylight hours.

How warm is the sea around Santa Barbara in May?

The average sea temperature around Santa Barbara in May is 14°C.

Does it ever rain in Santa Barbara in May?

There is usually 1 day with some rain in Santa Barbara in May and the average monthly rainfall is 8mm.

Santa Barbara May sunrise & sunset times

Browse the sunrise and sunset times for Santa Barbara in May 2026. Select a month to view Santa Barbara sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st May 2026 05:09 18:43
Saturday, 16th May 2026 04:56 18:55
Sunday, 31st May 2026 04:48 19:06

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