August weather forecast and climate
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

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

Temperature

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

Humidity

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

Rainfall

In Newport Beach, it is raining for 2.8 days, with typically 0.2" (5mm) of accumulated precipitation. 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

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

Daylight

In Newport Beach, the average length of the day is 13.4h.

Sunshine

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

UV index

Months with the highest UV index in Newport Beach, California, are July through September, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 6 interpret into the following advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the warmest month in Newport Beach?

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

What is the temperature in August in Newport Beach?

In Newport Beach, in August, the average high-temperature is 76.6°F (24.8°C), and the average low-temperature is 64.9°F (18.3°C).

What is the average humidity in August in Newport Beach?

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

How many days does it rain in August in Newport Beach?

In Newport Beach, California, in August, it is raining for 2.8 days, with typically 0.2" (5mm) of accumulated precipitation.

What are the months with the warmest ocean in Newport Beach?

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

What is the ocean temperature in August in Newport Beach?

In August, the average ocean temperature in Newport Beach, California, 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).

What is the average length of the day in August in Newport Beach?

The average length of the day in August in Newport Beach is 13.4h.

What month has the most sunshine in Newport Beach?

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

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

The average sunshine in August in Newport Beach is 12h.

When is the highest UV index in Newport Beach?

Months with the highest UV index in Newport Beach, California, are July through September, with an average maximum UV index of 6.

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

In August, the average daily maximum UV index in Newport Beach is 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to the UV radiation.

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"

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

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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: 13.4h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 10h).

  • 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

Months with the highest UV index are July, August and September (UV index 6).
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

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

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

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