August weather forecast
Newport Beach, CA

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 August

The last month of the summer, August, is also a moderately hot month in Newport Beach, California, with an average temperature varying between 76.6°F (24.8°C) and 64.9°F (18.3°C).

Temperature

With an average high-temperature of 76.6°F (24.8°C) and an average low-temperature of 64.9°F (18.3°C), August is the warmest month.

Humidity

In August, the average relative humidity in Newport Beach is 70%.

Rainfall

In Newport Beach, during 2.8 rainfall days, 0.2" (5mm) 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

The months with the warmest seawater are July and August, with an average ocean temperature of 67.6°F (19.8°C).
Note: For swimming, a surface water temperature of 67.6°F (19.8°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

Daylight

The average length of the day in August is 13h and 22min.
On the first day of August in Newport Beach, California, sunrise is at 6:04 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 6:25 am and sunset at 7:18 pm PDT.

Sunshine

The month with the most sunshine is August, with an average of 12h of sunshine.

UV index

The months with the highest UV index are July through September, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The average daily UV index of 6 in August transform into the following instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the warmest month in Newport Beach?

With an average high-temperature of 76.6°F (24.8°C) and an average low-temperature of 64.9°F (18.3°C), August is the warmest month in Newport Beach, California.

What is the average humidity in August in Newport Beach?

The average relative humidity in August is 70%.

How much does it rain in Newport Beach in August?

In August, in Newport Beach, the rain falls for 2.8 days. Throughout August, 0.2" (5mm) of precipitation is accumulated.

When is the ocean warmest in Newport Beach?

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

What is the ocean temperature in August in Newport Beach?

In Newport Beach, in August, the average water temperature is 67.6°F (19.8°C). For most, swimming in 67.6°F (19.8°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).

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

In Newport Beach, the average day length in August is 13h and 22min.

What time are sunrise and sunset in August in Newport Beach?

On the first day of August in Newport Beach, California, sunrise is at 6:04 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 6:25 am and sunset at 7:18 pm PDT.

What month has the most sunshine in Newport Beach?

August has the most sunshine of the year in Newport Beach, with an average of 12h of sunshine.

How long on average sun shines in August in Newport Beach?

In Newport Beach, California, the average sunshine duration in August is 12h.

What are the months with the highest UV index in Newport Beach?

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

What is the UV index intensity in August in Newport Beach?

In Newport Beach, the average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to Sun's UV rays.

Average temperature in August
Newport Beach, CA

Average temperature in August - Newport Beach, CA
  • Average high temperature in August: 76.6°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 August: 64.9°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).

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Average pressure in August
Newport Beach, CA

Average pressure in August - Newport Beach, CA
  • Average pressure in August: 29.9"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).

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Average wind speed in August
Newport Beach, CA

Average wind speed in August - Newport Beach, CA
  • Average wind speed in August: 5.3mph

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).

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Average humidity in August
Newport Beach, CA

Average humidity in August - Newport Beach, CA
  • Average humidity in August: 70%

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

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Average rainfall in August
Newport Beach, CA

Average rainfall in August - Newport Beach, CA
  • Average rainfall in August: 0.2"

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

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Average rainfall days in August
Newport Beach, CA

Average rainfall days in August - Newport Beach, CA
  • Average rainfall days in August: 2.8 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).

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Average sea temperature in August
Newport Beach, CA

Average sea temperature in August - Newport Beach, CA
  • Average sea temperature in August: 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).

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

Average daylight in August / Average sunshine in August - Newport Beach, CA
  • Average daylight in August: 13h and 22min

The month with the longest days is June (Average daylight: 14h and 21min).
The month with the shortest days is December (Average daylight: 9h and 58min).

  • Average sunshine in August: 12h

The month with the most sunshine is August (Average sunshine: 12h).
The month with the least sunshine is December (Average sunshine: 6.6h).

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Average sunshine days in August
Newport Beach, CA

Average sunshine days in August - Newport Beach, CA
  • Average sunshine days in August: 25.8 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).

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Average UV index in August
Newport Beach, CA

Average UV index in August - Newport Beach, CA
  • Average UV index in August: 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).

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Average cloud cover in August
Newport Beach, CA

Average cloud cover in August - Newport Beach, CA
  • Average cloud cover in August: 8

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).

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Average visibility in August
Newport Beach, CA

Average visibility in August - Newport Beach, CA
  • Average visibility in August: 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).

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