Los Angeles Weather in August

Summer weather peaks in August at Los Angeles, California. This is the city's hottest and sunniest month of the year. Plus it's the time of highest humidity and least wind. Still, the weather now is quite similar to the rest of summer.

This page gives detailed information on the typical August temperature, precipitation, sun, humidity, wind and storms for Los Angeles. The temperature, rainfall, sunshine and wind speed numbers here are historical averages based on climate data gathered in downtown Los Angeles near Union Station. The humidity and thunderstorm measurements are averages at the Los Angeles International Airport, located southwest of the city center.

Temperature Weather iconTemperature

84 °F August average high 29 °C
65 °F August average low 19 °C

August is the hottest month overall for Los Angeles, with temperatures peaking on the 23rd to 31st. These dates have daily highs averaging 85 degrees Fahrenheit (29 degrees Celsius) and nighttime lows of 65 °F (18 °C).

26 days 80 °F max. or more (27 °C)
1 day 60 °F min. or less (16 °C)

Typically every day in August warms to over 70 °F (21 °C) in Los Angeles. The city averages 6 days this month when the thermometer reaches into the 90s °F (over 32 °C). A temperature of 100 °F (38 °C) or more can occur briefly during August.

The thermometer drops to 70 °F (21 °C) or below on most nights. But August does not normally get as cool as 50 °F (10 °C).

Rainy Weather iconRain

0 in total precipitation 0 millimetres
0 days of rain

Only rarely does it rain at all in Los Angeles during August.

Sunny Weather iconSun

83 % sunshine
22 days clear skies

The sun's rays reach the ground in Los Angeles during 83 percent of daylight hours on average in August, for a total of 344 hours in the month. Typically on 22 days this month the sky is mainly clear, with at most 30 percent cloud cover.

Sunlight in August at Los Angeles lasts for 13 hours and 22 minutes a day on average. The longest day of the month is the 1st with 13 hours and 49 minutes of daylight. By the end of the month, the days have shortened to 12:54 from sunrise to sunset. These durations can vary by a minute or two from year to year.

Humid Weather iconHumidity

77 % August average humidity

The relative humidity in Los Angeles during August usually peaks at 85 percent in the morning then drops to 64 percent by early afternoon. August is the most humid month in Los Angeles.

Local Time1 am4 am7 am10 am1 pm4 pm7 pm10 pm
Humidity % 84 85 82 68 64 68 79 83

Windy Weather iconWind

4.0 mph August wind speed average 6.4 kph

August is the least windy month for Los Angeles.

Stormy Weather iconStorms

0 days rainfall of 0.5 inches (13 mm) or more
0 days with thunderstorms in August

Los Angeles doesn't normally have heavy rain this month but it does have an August thunderstorm every few years.


The weather data here are long-term averages provided by the US National Centers for Environmental Information (NCEI). Temperature and precipitation are 1991-2020 normals while humidity and thunderstorms are 1961-1990 normals.

Los Angeles Weather
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