TODAY AUG19
TEMPERATURE68
HUMIDITY87
PRESSURE29.9
WIND COND.226
  • 9070Sun
  • 8969Mon
  • 9068Tue
  • 9068Wed
  • 8968Thu
daynightWeather update from DW6637 Yorba Linda at

Brea Average Weather

In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
MonthTemp. (min)Temp. (max)Temp. (avg)Precipitation
January46°F72°F57°F2.3"
February48°F72°F58°F1.7"
March51°F75°F61°F1.0"
April54°F76°F64°F0.5"
May58°F78°F66°F0.3"
June62°F81°F70°F0.0"
July66°F86°F74°F0.1"
August66°F88°F75°F0.0"
September65°F88°F74°F0.2"
October59°F83°F69°F0.4"
November52°F77°F63°F0.6"
December45°F70°F56°F2.5"

Did you know?

  • The highest monthly average temperature in Brea for August is 75 degrees.
  • The lowest monthly average temperature in Brea for December is 56 degrees.
  • The most monthly precipitation in Brea occurs in December with 2.5 inches.
  • The air quality index in Brea is 70% worse than the national average.
  • The pollution index in Brea is 83% better than the national average.

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Compare Brea, CA Weather To Other Cities

Brea air quality index & pollution index

In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
IndexBreaCaliforniaNational
Air quality index855550
Pollution index858,65218,106,7265,066,862

Brea air quality information

MeasurementTotal
Days measured365
Days with good air quality24
Days with moderate air quality211
Days w/ poor A.Q. for sensitive groups102
Days with unhealthy air quality25

Brea air quality information

PollutantTotal
Arsenic0.002%
Benzene0.010%
Carbon Tetrachloride0.000%
Lead0.020%
Mercury0.001%

Average monthly Brea temperature with heat index

Brea monthly precipitation with daily maximum

Brea monthly snow depth with daily maximum

Brea monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Alhambra, CA84,8667448%
Avocado Heights, CA16,1887448%
Buena Park, CA82,7717448%
East San Gabriel, CA15,7877448%
Fullerton, CA139,4917448%
Brea, CA41,3518570%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Moorhead, MN41,3213530%
Ocoee, FL41,3933628%
South Valley, NM41,397512%
Leominster, MA41,3043824%
Findlay, OH41,4123040%
Brea, CA41,3518570%
Source: The Brea, CA weather data displayed above is derived from the NOAA (National Oceanic and Atmospheric). Air quality and pollution data is derived from the EPA (United States Environmental Protection Agency). Air quality and pollution levels measured in a particular area may not be representative of the entire county.