Newport Beach weather in January 2026

Expect daytime maximum temperatures of 18°C in Newport Beach, California in January based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 64 mm of rainfall in the month.

  • 18°C maximum daytime temperature in January in Newport Beach18
    18°C max day temperature
  • 7 hours of sunshine per day
  • 5 days with some rainfall in January in Newport Beach5
    5 days with some rainfall
  • 8°C minimum night-time temperature in January in Newport Beach8
    8°C min night temperature
  • 10 hours of daylight per day in January in Newport Beach10
    10 hours of daylight per day
  • No heat & humidity in January in Newport Beach0
    No heat & humidity
  • 64 mm monthly rainfall in January in Newport Beach64
    64 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in January in Newport Beach3
    3 (Moderate) UV index
  • 15°C sea temperature in January in Newport Beach15
    15°C sea temperature

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The January weather guide for California (Newport Beach) 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 Newport Beach in January?

Daytime temperatures usually reach 18°C in Newport Beach in January, falling to 8°C at night.

How sunny is it in Newport Beach in January?

There are normally 7 hours of bright sunshine each day in Newport Beach in January - that's 71% of daylight hours.

How warm is the sea around Newport Beach in January?

The average sea temperature around Newport Beach in January is 15°C.

Does it rain in Newport Beach in January?

There are usually 5 days with some rain in Newport Beach in January and the average monthly rainfall is 64mm.

Newport Beach January sunrise & sunset times

Browse the sunrise and sunset times for Newport Beach in January 2026. Select a month to view Newport Beach sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st January 2026 06:56 16:55
Friday, 16th January 2026 06:56 17:08
Saturday, 31st January 2026 06:49 17:22

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