August weather forecast and climate
Huntington Beach, CA

The beautiful Huntington Beach, California, with a view of the pier and houses
The beautiful Huntington Beach, California, with a view of the pier and houses

Weather in August

August, the last month of the summer, in Huntington Beach, is also a moderately hot month, with average temperature ranging between max 75°F (23.9°C) and min 64.8°F (18.2°C).

Temperature

August and September, with an average high-temperature of 75°F (23.9°C), are the warmest months.

Humidity

In Huntington Beach, California, the average relative humidity in August is 72%.

Rainfall

In Huntington Beach, during August, the rain falls for 3.3 days and regularly aggregates up to 0.28" (7mm) of precipitation. Throughout the year, there are 62.4 rainfall days, and 8.94" (227mm) of precipitation is accumulated.

Ocean temperature

July and August, with an average ocean temperature of 67.6°F (19.8°C), are months with the warmest seawater in Huntington Beach.
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 Huntington Beach is 13.4h.

Sunshine

July and August, with an average of 11.9h of sunshine, are months with the most sunshine.

UV index

Months with the highest UV index in Huntington Beach are July through September, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from the exposure to the Sun's UV rays for the average person.
Note: In August, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. 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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the warmest month in Huntington Beach?

Warmest months are August and September, with an average high-temperature of 75°F (23.9°C).

What is the temperature in August in Huntington Beach?

In August, in Huntington Beach, the average high-temperature is 75°F (23.9°C), and the average low-temperature is 64.8°F (18.2°C).

What is the average humidity in August in Huntington Beach?

In Huntington Beach, California, the average relative humidity in August is 72%.

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

In Huntington Beach, during August, the rain falls for 3.3 days and regularly aggregates up to 0.28" (7mm) of precipitation.

When is the ocean warmest in Huntington Beach?

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

How cold is the water in August in Huntington Beach?

In Huntington Beach, the average seawater temperature in August 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 Huntington Beach have in August?

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

What are the months with the most sunshine in Huntington Beach?

Months with the most sunshine are July and August, with an average of 11.9h of sunshine.

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

The average sunshine in August in Huntington Beach is 11.9h.

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

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

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

In Huntington Beach, California, the average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high health threat from the exposure to the Sun's UV radiation.

Average temperature in August
Huntington Beach, CA

Average temperature in August - Huntington Beach, CA
  • Average high temperature in August: 75°F

The warmest months (with the highest average high temperature) are August and September (75°F).
The month with the lowest average high temperature is December (62.2°F).

  • Average low temperature in August: 64.8°F

Months with the highest average low temperature are August and September (64.8°F).
The coldest month (with the lowest average low temperature) is February (53.2°F).

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Average pressure in August
Huntington Beach, CA

Average pressure in August - Huntington 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
Huntington Beach, CA

Average wind speed in August - Huntington Beach, CA
  • Average wind speed in August: 5.7mph

The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is October (5.5mph).

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Average humidity in August
Huntington Beach, CA

Average humidity in August - Huntington Beach, CA
  • Average humidity in August: 72%

The month with the highest relative humidity is June (76%).
The month with the lowest relative humidity is November (60%).

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Average rainfall in August
Huntington Beach, CA

Average rainfall in August - Huntington Beach, CA
  • Average rainfall in August: 0.28"

The wettest month (with the highest rainfall) is December (1.85").
The driest month (with the least rainfall) is June (0.08").

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Average rainfall days in August
Huntington Beach, CA

Average rainfall days in August - Huntington Beach, CA
  • Average rainfall days in August: 3.3 days

The month with the highest number of rainy days is March (7.9 days).
The month with the least rainy days is June (3.1 days).

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Average sea temperature in August
Huntington Beach, CA

Average sea temperature in August - Huntington 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
Huntington Beach, CA

Average daylight in August / Average sunshine in August - Huntington 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: 11.9h

Months with the most sunshine are July and August (Average sunshine: 11.9h).
The month with the least sunshine is December (Average sunshine: 6.6h).

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Average sunshine days in August
Huntington Beach, CA

Average sunshine days in August - Huntington Beach, CA
  • Average sunshine days in August: 25 days

The month with the most sunshine days is August (25 days).
The month with the least sunshine days is February (19.5 days).

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Average UV index in August
Huntington Beach, CA

Average UV index in August - Huntington 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 February, March, November and December (UV index 4).

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Average cloud cover in August
Huntington Beach, CA

Average cloud cover in August - Huntington Beach, CA
  • Average cloud cover in August: 9

Months with the most cloud cover are March and December (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 9).

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Average visibility in August
Huntington Beach, CA

Average visibility in August - Huntington 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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