Newport Beach (CA) Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Newport Beach.

Climate overview of Newport Beach

The climate in Newport Beach, California, United States of America, is remarkably consistent, with temperatures year-round averaging 22°C (72°F). The warmest month is September at 25°C (77°F), and the coolest is December at 19°C (66°F).

The city has an arid climate, receiving only 180 mm (7.1 in) of rainfall per year. The most sunshine falls in July, with an average of 12.3 hours of daily sunshine.

Newport Beach Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Newport Beach - and find the best time to visit.

Monthly Temperature in Newport Beach

In Newport Beach temperatures are generally consistent throughout the year. On average, daytime temperatures range from a comfortable 25°C (77°F) in September to a pleasant 19°C (66°F) in December.

Nighttime temperatures range from 19°C (66°F) in September to 9°C (48°F) in December.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Newport Beach

Newport Beach sits in an arid zone with minimal moisture, averaging 180 mm (7.1 in) of rainfall per year. The seasons in Newport Beach bring significant changes in precipitation. The wettest month, December, receives moderate rainfall, with an average of 48 mm (1.9 in) of precipitation. This rainfall is distributed across 7 rainy days.

In contrast, the driest month, August, experiences much less rainfall, totaling 0.1 mm (0 in) over 0 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Newport Beach Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Sunshine Hours in Newport Beach

In Newport Beach, summer days are longer and more sunny, with daily sunshine hours peaking at 12.3 hours in July. As the darker season arrives, the brightness of the sun becomes less. January sees a soft sun for only 6.6 hours per average day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Corona, the United States of America (43 KM, 27 Miles).

Daily hours of sunshine

Data from: Corona, the United States of America (43 KM, 27 Miles).

Best Time to Visit Newport Beach

For comfortable weather, consider visiting Newport Beach in January, February, March, April, May, June, July, August, September, October and November. Conditions are usually least favourable in December.

Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.

  • Best overall: January, February, March, April, May, June, July, August, September, October and November
  • Warmest weather: July, August, September and October
  • Most sunshine: July and August
  • Fewer rainy days: May, June, July, August and September
  • Seasonal pattern: Very little rainfall for most of the year

Frequently asked questions about the climate in Newport Beach

What is the best time to visit Newport Beach?

January, February, March, April, May, June, July, August, September, October and November typically offer the most optimal weather in Newport Beach. In contrast, December tends to have less optimal conditions. Newport Beach has very little rainfall for most of the year.

What temperatures can I expect in Newport Beach?

Daytime highs range from 19°C (66°F) in December to 25°C (77°F) in September. Nighttime lows range from 9°C (48°F) to 19°C (66°F). Temperatures stay relatively stable year-round.

How much rain does Newport Beach get?

Annual rainfall is around 180 mm (7.1 in). December is the wettest month with 48 mm (1.9 in), while August is the driest with 0.1 mm (0 in).

How sunny is Newport Beach?

Newport Beach receives around 3,279 hours of sunshine per year. July is the sunniest month with 369 hours, while January is the cloudiest with just 198 hours. Overall, Newport Beach enjoys abundant sunshine.

Newport Beach 3-Day Forecast

Newport Beach (CA) 3-Day Forecast

Newport Beach on the map

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