Newport Beach weather in December 2026

Q: How hot is it in Newport Beach in December?

Daytime temperatures usually reach 20°C in Newport Beach in December, falling to 8°C at night.

Q: How sunny is it in Newport Beach in December?

There are normally 7 hours of bright sunshine each day in Newport Beach in December - that's 69% of daylight hours.

Q: Does it rain in Newport Beach in December?

There are usually 5 days with some rain in Newport Beach in December and the average monthly rainfall is 53mm.

Expect daytime maximum temperatures of 18°C in Newport Beach, California in December based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 43 mm of rainfall in the month.

18
18°C max day temperature
7
7 hours of sunshine per day
5
5 days with some rainfall
8
8°C min night temperature
10
10 hours of daylight per day
0
No heat & humidity
43
43 mm of monthly rainfall
3
3 (Moderate) UV index
15
15°C sea temperature

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The December 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)

More about California

How hot is it in Newport Beach in December?

Daytime temperatures usually reach 20°C in Newport Beach in December, falling to 8°C at night.

How sunny is it in Newport Beach in December?

There are normally 7 hours of bright sunshine each day in Newport Beach in December - that's 69% of daylight hours.

Does it rain in Newport Beach in December?

There are usually 5 days with some rain in Newport Beach in December and the average monthly rainfall is 53mm.

Newport Beach December sunrise & sunset times

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

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