Los Angeles County Climate
Los Angeles County, California
Avg Annual Temp
63.7°F
Annual Precip
16.1"
Annual Snowfall
0.1"
Extreme Heat Days
50.66923076923076
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Los Angeles County Weather
A perennially warm coastal giant
Los Angeles County's annual average of 63.7°F is significantly warmer than the national median. This consistent warmth attracts millions, though it remains drier than many eastern coastal regions.
Leading the state in warmth
At 63.7°F, Los Angeles sits five degrees above the California state average of 58.7°F. It is one of the state's warmer counties, driven by its southern latitude and diverse topography.
Drier than the California average
The county receives just 16.1 inches of rain annually, nearly 10 inches less than the California average of 25.8 inches. This semi-arid climate is even more pronounced when compared to the wetter northern coast.
Fifty-one days of intense sun
Summer temperatures average 73.4°F, but residents face 51 days of extreme heat exceeding 90°F annually. Winters are exceptionally mild, with a January average of 54.3°F and virtually no snow at 0.1 inches.
Prioritize efficient cooling and water
With 51 extreme heat days, high-efficiency HVAC systems are a standard requirement for comfort. Low-water landscaping is also a smart move given the county's low 16.1-inch annual rainfall.
Frequently Asked Questions
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Data source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020.
Climate normals are 30-year averages of weather variables computed from 1991 to 2020. Station data is aggregated to county level using spatial averaging. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.