TODAY AUG19
TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.
  • 9669Sun
  • 9569Mon
  • 9769Tue
  • 9870Wed
  • 9669Thu
daynightWeather update from CLAREMONT at

Pomona 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
January40°F70°F54°F1.6"
February41°F71°F55°F1.4"
March44°F75°F58°F0.8"
April47°F78°F61°F0.4"
May52°F82°F65°F0.3"
June57°F89°F71°F0.0"
July62°F94°F76°F0.1"
August61°F96°F77°F0.0"
September59°F94°F74°F0.1"
October52°F86°F67°F0.3"
November44°F78°F60°F0.4"
December39°F69°F53°F2.0"

Did you know?

  • The highest monthly average temperature in Pomona for August is 77 degrees.
  • The lowest monthly average temperature in Pomona for December is 53 degrees.
  • The most monthly precipitation in Pomona occurs in December with 2 inches.
  • The air quality index in Pomona is 70% worse than the national average.
  • The pollution index in Pomona is 349% worse than the national average.

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Compare Pomona, CA Weather To Other Cities

Pomona 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.
IndexPomonaCaliforniaNational
Air quality index855550
Pollution index22,790,90018,106,7265,066,862

Pomona 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

Pomona air quality information

PollutantTotal
Arsenic0.060%
Benzene0.190%
Carbon Tetrachloride0.010%
Lead0.220%
Mercury0.230%

Average monthly Pomona temperature with heat index

Pomona monthly precipitation with daily maximum

Pomona monthly snow depth with daily maximum

Pomona monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Baldwin Park, CA76,5117448%
Fullerton, CA139,4917448%
Industry, CA2667448%
La Mirada, CA49,1307448%
Mayflower Village, CA5,6697448%
Pomona, CA151,8078570%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Alexandria, VA151,473492%
Pasadena, TX153,286524%
Escondido, CA149,9126122%
Lakewood, CO149,793548%
Kansas City, KS149,7555816%
Pomona, CA151,8078570%
Source: The Pomona, 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.