August weather forecast and climate
La Jolla, CA

Weather in August

August, the last month of the summer, in La Jolla, is also a moderately hot month, with average temperature varying between 79.3°F (26.3°C) and 65.8°F (18.8°C).

Temperature

August is the warmest month, with an average high-temperature of 79.3°F (26.3°C) and an average low-temperature of 65.8°F (18.8°C).

Humidity

In La Jolla, the average relative humidity is 67%.

Rainfall

In La Jolla, during August, the rain falls for 3.6 days and regularly aggregates up to 0.31" (8mm) of precipitation. Throughout the year, there are 57.9 rainfall days, and 7.48" (190mm) of precipitation is accumulated.

Ocean temperature

August is the month with the warmest seawater, with an average ocean temperature of 68°F (20°C).
Note: Swimming in 68°F (20°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).

Daylight

The average length of the day in August is 13.3h.

Sunshine

In La Jolla, California, the average sunshine in August 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 value of 6 to 7 symbolizes a high health vulnerability from the exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 6 in August transform into the following instructions:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. 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.
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FAQ

What is the warmest month in La Jolla?

With an average high-temperature of 79.3°F (26.3°C) and an average low-temperature of 65.8°F (18.8°C), August is the warmest month in La Jolla.

What is the temperature in August in La Jolla?

The average high-temperature, in August, is 79.3°F (26.3°C), while the average low-temperature is 65.8°F (18.8°C).

What is the average humidity in August in La Jolla?

In La Jolla, California, the average relative humidity in August is 67%.

How much does it rain in La Jolla in August?

In August, in La Jolla, California, the rain falls for 3.6 days. Throughout August, 0.31" (8mm) of precipitation is accumulated.

When is the ocean warmest in La Jolla?

The month with the warmest seawater in La Jolla is August, with an average ocean temperature of 68°F (20°C).

What is the ocean temperature in August in La Jolla?

In La Jolla, in August, the average water temperature is 68°F (20°C). For most, swimming in 68°F (20°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).

What is the average length of the day in August in La Jolla?

The average length of the day in August in La Jolla, California, is 13.3h.

How many hours of sunshine does La Jolla have in August?

In La Jolla, California, the average sunshine in August is 11.9h.

What is the month with the highest UV index in La Jolla?

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

What is the UV index intensity in August in La Jolla?

The average daily maximum UV index in August in La Jolla, California, is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from the exposure to the Sun's UV rays.

Average temperature in August
La Jolla, CA

Average temperature in August - La Jolla, CA
  • Average high temperature in August: 79.3°F

The warmest month (with the highest average high temperature) is August (79.3°F).
The month with the lowest average high temperature is December (63.5°F).

  • Average low temperature in August: 65.8°F

The month with the highest average low temperature is August (65.8°F).
The coldest month (with the lowest average low temperature) is February (50.2°F).

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Average pressure in August
La Jolla, CA

Average pressure in August - La Jolla, CA
  • Average pressure in August: 29.89"

The month with the highest atmospheric pressure is January (30.09").
Months with the lowest atmospheric pressure are June and September (29.88").

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Average wind speed in August
La Jolla, CA

Average wind speed in August - La Jolla, CA
  • Average wind speed in August: 5.2mph

The windiest month (with the highest average wind speed) is April (6mph).
The calmest month (with the lowest average wind speed) is October (4.8mph).

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Average humidity in August
La Jolla, CA

Average humidity in August - La Jolla, CA
  • Average humidity in August: 67%

Months with the highest relative humidity are May and June (71%).
The month with the lowest relative humidity is November (57%).

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Average rainfall in August
La Jolla, CA

Average rainfall in August - La Jolla, CA
  • Average rainfall in August: 0.31"

The wettest month (with the highest rainfall) is February (1.46").
The driest month (with the least rainfall) is June (0.12").

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Average rainfall days in August
La Jolla, CA

Average rainfall days in August - La Jolla, CA
  • Average rainfall days in August: 3.6 days

The month with the highest number of rainy days is March (7.1 days).
The month with the least rainy days is June (2.2 days).

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Average sea temperature in August
La Jolla, CA

Average sea temperature in August - La Jolla, CA
  • Average sea temperature in August: 67.9°F

The best month for swimming (with the highest average sea temperature) is August (67.9°F).
The coldest month (with the lowest average sea temperature) is February (58.7°F).

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Average daylight in August /
Average sunshine in August
La Jolla, CA

Average daylight in August / Average sunshine in August - La Jolla, CA
  • Average daylight in August: 13.3h

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10h).

  • Average sunshine in August: 11.9h

The month with the most sunshine is July (Average sunshine: 12h).
The month with the least sunshine is December (Average sunshine: 6.8h).

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Average sunshine days in August
La Jolla, CA

Average sunshine days in August - La Jolla, CA
  • Average sunshine days in August: 22.3 days

The month with the most sunshine days is January (24.8 days).
The month with the least sunshine days is February (20.2 days).

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Average UV index in August
La Jolla, CA

Average UV index in August - La Jolla, 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
La Jolla, CA

Average cloud cover in August - La Jolla, CA
  • Average cloud cover in August: 8

Months with the most cloud cover are March and December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 8).

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Average visibility in August
La Jolla, CA

Average visibility in August - La Jolla, 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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