July weather forecast
Newport Beach, CA

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The stunning coastal village of Corona Del Mar, in Newport Beach, California
The stunning coastal village of Corona Del Mar, in Newport Beach, California

Weather in July

July, the mid-year mark, witnesses the highest temperatures and relative humidity of the year in Newport Beach. The mercury soars to a high of 75°F (23.9°C) and the low to a comfortable 63.5°F (17.5°C). Amidst these summer conditions, the city cheers on its residents and visitors with a generous 11.9 hours of daily sunshine. Despite the heat, July ushers in lively summer festivities and outdoor adventures amplifying its charm. In essence, July embodies the essence of a authentic Californian summer.

Temperature

July's commencement is accompanied by an average high-temperature of a warm 75°F (23.9°C), diverging marginally from June's 70.7°F (21.5°C). Newport Beach, during July nights, observes an average temperature of 63.5°F (17.5°C).

Humidity

In Newport Beach, the average relative humidity in July is 72%.

Rainfall

In Newport Beach, in July, during 4.4 rainfall days, 0.24" (6mm) of precipitation is typically accumulated. In Newport Beach, during the entire year, the rain falls for 50.7 days and collects up to 3.74" (95mm) of precipitation.

Ocean temperature

July and August, with an average ocean temperature of 67.6°F (19.8°C), are months with the warmest seawater.
Note: Swimming in 67.6°F (19.8°C) does not offer a pleasant experience for most individuals. The act of controlling one's breathing becomes progressively difficult as the water temperature goes under 69.8°F (21°C).

Daylight

In Newport Beach, the average length of the day in July is 14h and 8min.
On the first day of the month, sunrise is at 5:45 am and sunset at 8:06 pm. On the last day of July, sunrise is at 6:03 am and sunset at 7:52 pm PDT.

Sunshine

In Newport Beach, the average sunshine in July is 11.9h.

UV index

July through September, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index of 6 during July translates into the following directions:
Resist overexposure. Safeguarding from solar damage is indispensable. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Enhance your sun protection with tightly woven, yet airy clothing.
Updated: Jun 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in July?

During July, Newport Beach experiences an average high-temperature of 75°F (23.9°C) and a low-temperature of 63.5°F (17.5°C).

What is the average humidity in July?

In Newport Beach, the average relative humidity in July is 72%.

How many days does it rain in July?

In Newport Beach, during July, the rain falls for 4.4 days and regularly aggregates up to 0.24" (6mm) of precipitation.

What months are the ocean warmest?

July and August, with an average ocean temperature of 67.6°F (19.8°C), are months with the warmest seawater.

What is the ocean temperature in July?

In July, the average ocean temperature is 67.6°F (19.8°C). Swimming in 67.6°F (19.8°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).

How many hours of daylight does Newport Beach have in July?

The average day length in July is 14h and 8min.

When are sunrise and sunset in July?

On the first day of July, sunrise is at 5:45 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 7:52 pm PDT.

How long on average sun shines in July?

In July, the average sunshine duration is 11.9h.

What is the month with the highest UV index?

The months with the highest UV index are July through September, with an average maximum UV index of 6.

What is the UV index reading in July?

In July, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Newport Beach, CA

Average temperature in July - Newport Beach, CA
  • Average high temperature in July: 75°F

The warmest month (with the highest average high temperature) is August (76.6°F).
The month with the lowest average high temperature is December (62.4°F).

  • Average low temperature in July: 63.5°F

The month with the highest average low temperature is August (64.9°F).
The coldest month (with the lowest average low temperature) is February (52.3°F).

Average pressure in July
Newport Beach, CA

Average pressure in July - Newport Beach, CA
  • Average pressure in July: 29.92"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are June and September (29.89"Hg).

Average wind speed in July
Newport Beach, CA

Average wind speed in July - Newport Beach, CA
  • Average wind speed in July: 5.6mph

The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is October (5.2mph).

Average humidity in July
Newport Beach, CA

Average humidity in July - Newport Beach, CA
  • Average humidity in July: 72%

The month with the highest relative humidity is June (74%).
The month with the lowest relative humidity is November (59%).

Average rainfall in July
Newport Beach, CA

Average rainfall in July - Newport Beach, CA
  • Average rainfall in July: 0.24"

The wettest month (with the highest rainfall) is December (0.79").
The driest month (with the least rainfall) is June (0.04").

Average rainfall days in July
Newport Beach, CA

Average rainfall days in July - Newport Beach, CA
  • Average rainfall days in July: 4.4 days

The month with the highest number of rainy days is March (6.6 days).
The month with the least rainy days is June (1.6 days).

Average sea temperature in July
Newport Beach, CA

Average sea temperature in July - Newport Beach, CA
  • Average sea temperature in July: 67.7°F

The best months for swimming (with the highest average sea temperature) are July and August (67.7°F).
The coldest month (with the lowest average sea temperature) is January (58.5°F).

Average daylight in July /
Average sunshine in July
Newport Beach, CA

Average daylight in July / Average sunshine in July - Newport Beach, CA
  • Average daylight in July: 14h and 1min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in July: 11h and 5min

The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).

Average sunshine days in July
Newport Beach, CA

Average sunshine days in July - Newport Beach, CA
  • Average sunshine days in July: 24.8 days

The month with the most sunshine days is June (26.5 days).
The month with the least sunshine days is February (20.5 days).

Average UV index in July
Newport Beach, CA

Average UV index in July - Newport Beach, CA
  • Average UV index in July: 6

The months with the highest UV index are July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).

Average cloud cover in July
Newport Beach, CA

Average cloud cover in July - Newport Beach, CA
  • Average cloud cover in July: 11

The months with the most cloud cover are March and December (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 8).

Average visibility in July
Newport Beach, CA

Average visibility in July - Newport Beach, CA
  • Average visibility in July: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Newport Beach, California, USA

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