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
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).
Rain
0 in | total precipitation | 0 millimetres |
0 days | of rain |
Only rarely does it rain at all in Los Angeles during August.
Sun
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.
Humidity
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 Time | 1 am | 4 am | 7 am | 10 am | 1 pm | 4 pm | 7 pm | 10 pm |
Humidity % | 84 | 85 | 82 | 68 | 64 | 68 | 79 | 83 |
Wind
4.0 mph | August wind speed average | 6.4 kph |
August is the least windy month for Los Angeles.
Storms
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.
Reference
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.