Newport Beach
California, USA
Long-term weather forecast
Long-term weather forecast

August weather forecast and climate
Newport Beach, CA

A bird
A bird's eye view of the stunning coastal village of Corona Del Mar, in Newport Beach, California, with cruise boats on the clear blue waters and beaches around the village
The last month of the summer, August, is also an agreeable month in Newport Beach, California, with temperature in the range of an average low of 64.9°F (18.3°C) and an average high of 72.1°F (22.3°C).

Temperature

The warmest month is August, with an average high-temperature of 72.1°F (22.3°C) and an average low-temperature of 64.9°F (18.3°C).

Rainfall

July and August are months with the least rain in Newport Beach when 0" (0.5mm) of rain is typically aggregated.

Ocean temperature

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

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

Sunshine

July and August, with an average of 11h of sunshine, are months with the most sunshine in Newport Beach.

UV index

June through August, with an average maximum UV index of 10, are months with the highest UV index in Newport Beach. A UV Index reading of 8 to 10 represents a very high health vulnerability from the exposure to the Sun's UV radiation for ordinary individuals.
The daily maximum UV index of 10 in August interpret into the following advice:
Take special precautions, as unprotected skin can be damaged and can burn quickly. 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. 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.

What is the warmest month in Newport Beach?

With an average high-temperature of 72.1°F (22.3°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 temperature in August in Newport Beach?

In Newport Beach, in August, the average high-temperature is 72.1°F (22.3°C), and the average low-temperature is 64.9°F (18.3°C).

How much does it rain in Newport Beach in August?

Throughout August, in Newport Beach, California, 0" (0.5mm) of precipitation is accumulated.

What is the driest month in Newport Beach?

Months with the least rainfall are July and August with 0" (0.5mm) of accumulated rain.

What months are the ocean warmest 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, California. 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).

What is the ocean temperature in August in Newport Beach?

In Newport Beach, California, the average seawater temperature in August is 67.6°F (19.8°C). 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).

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

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

What is the month with the most sunshine in Newport Beach?

July and August, with an average of 11h of sunshine, are months with the most sunshine in Newport Beach, California.

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

In Newport Beach, the average sunshine in August is 11h.

What is the month with the highest UV index in Newport Beach?

Months with the highest UV index in Newport Beach are June through August, with an average maximum UV index of 10.

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

In August, the average daily maximum UV index is 10. A UV Index value of 8 to 10 symbolizes a very high health threat from unprotected exposure to the UV radiation.
Average temperature in August - Newport Beach, CA
  • Average high temperature in August: 72.2°F

The warmest month (with the highest average high temperature) is August (72.2°F).
The month with the lowest average high temperature is March (62.7°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 December (49.3°F).

Average rainfall in August - Newport Beach, CA
  • Average rainfall in August: 0"

The wettest month (with the highest rainfall) is February (2.6").
Driest months (with the lowest rainfall) are July and August (0").

Average rainfall days in August - Newport Beach, CA
  • Average rainfall days in August: 0 days

The month with the highest number of rainy days is March (6 days).
Months with the lowest number of rainy days are June, July and August (0 days).

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

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 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 shortest days is December (Average daylight: 10h).

  • Average sunshine in August: 11h

Months with most sunshine are July and August (Average sunshine: 11h).
Months with least sunshine are January, November and December (Average sunshine: 7).

Average UV index in August - Newport Beach, CA
  • Average UV index in August: 10

Months with the highest UV index are June, July and August (UV index 10).
Months with the lowest UV index are January and December (UV index 3).