TODAY AUG16
TEMPERATURE81
HUMIDITY59
PRESSURE
WIND COND.190 10
  • 8767Thu
  • 8968Fri
  • 9168Sat
  • 9368Sun
  • 9468Mon
daynightWeather update from WHITTIER HILLS at

Rosemead 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
January48°F70°F58°F3.5"
February50°F70°F59°F2.9"
March52°F72°F61°F1.5"
April55°F74°F63°F0.7"
May58°F75°F65°F0.5"
June61°F78°F68°F0.0"
July65°F83°F72°F0.0"
August65°F84°F73°F0.0"
September64°F85°F72°F0.3"
October60°F81°F69°F0.7"
November54°F75°F63°F0.8"
December48°F69°F57°F2.8"

Did you know?

  • The highest monthly average temperature in Rosemead for August is 73 degrees.
  • The lowest monthly average temperature in Rosemead for December is 57 degrees.
  • The most monthly precipitation in Rosemead occurs in January with 3.5 inches.
  • The air quality index in Rosemead is 48% worse than the national average.
  • The pollution index in Rosemead is 2652% worse than the national average.

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Compare Rosemead, CA Weather To Other Cities

Rosemead 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.
IndexRosemeadCaliforniaNational
Air quality index745550
Pollution index139,490,00018,106,7265,066,862

Rosemead air quality information

MeasurementTotal
Days measured365
Days with good air quality25
Days with moderate air quality260
Days w/ poor A.Q. for sensitive groups76
Days with unhealthy air quality4

Rosemead air quality information

PollutantTotal
Arsenic0.200%
Benzene0.950%
Carbon Tetrachloride0.080%
Lead1.320%
Mercury0.440%

Average monthly Rosemead temperature with heat index

Rosemead monthly precipitation with daily maximum

Rosemead monthly snow depth with daily maximum

Rosemead monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Bell, CA35,9277448%
Cerritos, CA49,7977448%
Compton, CA97,7407448%
Duarte, CA21,7927448%
East San Gabriel, CA15,7877448%
Rosemead, CA54,5077448%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Dublin, CA54,523484%
Highland, CA54,4908570%
Normal, IL54,5343628%
Mount Prospect, IL54,5526020%
Greenwood, IN54,5645918%
Rosemead, CA54,5077448%
Source: The Rosemead, 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.