August weather forecast
La Jolla, CA

Share

Weather in August

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

Temperature

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

Humidity

The average relative humidity in August in La Jolla is 67%.

Rainfall

In August, in La Jolla, the rain falls for 3.6 days. Throughout August, 0.31" (8mm) of precipitation is accumulated. In La Jolla, during the entire year, the rain falls for 57.9 days and collects up to 7.48" (190mm) of precipitation.

Ocean temperature

With an average ocean temperature of 68°F (20°C), August is the month with the warmest seawater in La Jolla, California.
Note: A majority do not enjoy swimming in water at 68°F (20°C). The difficulty in controlling breathing increases progressively as the temperature dips below 69.8°F (21°C).

Daylight

In La Jolla, the average length of the day in August is 13h and 19min.
On the first day of the month, sunrise is at 6:03 am and sunset at 7:47 pm. On the last day of August, in La Jolla, sunrise is at 6:23 am and sunset at 7:14 pm PDT.

Sunshine

The average sunshine in August in La Jolla is 11.9h.

UV index

The months with the highest UV index are July through September, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: A maximum UV index of 6 in August translates into the following recommendations:
Ward off overexposure. Defence against solar harm is crucial. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
[Resources]

Frequently asked questions

What part of the year is the hottest in La Jolla?

August is the month when La Jolla experiences its warmest temperatures, averaging a high of 79.3°F (26.3°C) and a low of 65.8°F (18.8°C).

What are the temperatures in La Jolla in August?

In La Jolla, 79.3°F (26.3°C) is the average high-temperature and 65.8°F (18.8°C) is the average low-temperature during August.

What is the average humidity in August in La Jolla?

In August, the average relative humidity 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.

What is the month with the warmest ocean in La Jolla?

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

How cold is the water in August in La Jolla?

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

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

In August, the average day length in La Jolla, California, is 13h and 19min.

When are sunrise and sunset in August in La Jolla?

In August, on the first day of the month, sunrise is at 6:03 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 6:23 am and sunset at 7:14 pm PDT.

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

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

When is the highest UV index in La Jolla?

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

How high is the UV index in August in La Jolla?

In August, the average daily maximum UV index in La Jolla is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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).

[Resources]

Average pressure in August
La Jolla, CA

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

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

[Resources]

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).

[Resources]

Average humidity in August
La Jolla, CA

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

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

[Resources]

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").

[Resources]

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).

[Resources]

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).

[Resources]

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: 13h and 2min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in August: 11h and 5min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).

[Resources]

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).

[Resources]

Average UV index in August
La Jolla, CA

Average UV index in August - La Jolla, 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).

[Resources]

Average cloud cover in August
La Jolla, CA

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

The 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).

[Resources]

Average visibility in August
La Jolla, CA

Average visibility in August - La Jolla, 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).

[Resources]

La Jolla, California, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location