Pomona, CA Weather Forecast & Monthly Average Temperatures

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Pomona Average Temperature

In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
Month	Temp. _(min)	Temp. _(max)	Temp. _(avg)	Precipitation
January	40°F	70°F	54°F	1.6"
February	41°F	71°F	55°F	1.4"
March	44°F	75°F	58°F	0.8"
April	47°F	78°F	61°F	0.4"
May	52°F	82°F	65°F	0.3"
June	57°F	89°F	71°F	0.0"
July	62°F	94°F	76°F	0.1"
August	61°F	96°F	77°F	0.0"
September	59°F	94°F	74°F	0.1"
October	52°F	86°F	67°F	0.3"
November	44°F	78°F	60°F	0.4"
December	39°F	69°F	53°F	2.0"

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 71% worse than the national average.
The pollution index in Pomona is 350% worse than the national average.

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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.
Index	Pomona	California	National
Air quality index	85	55	50
Pollution index	22,790,900	18,106,726	5,066,862

Pomona air quality information

Measurement	Total
Days measured	365
Days with good air quality	24
Days with moderate air quality	211
Days w/ poor A.Q. for sensitive groups	102
Days with unhealthy air quality	25

Pomona air quality information

Pollutant	Total
Arsenic	0.060%
Benzene	0.190%
Carbon Tetrachloride	0.010%
Lead	0.220%
Mercury	0.230%

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, State	Population	Air Quality Index	National Avg.
Azusa, CA	48,498	74	48%
Buena Park, CA	82,771	74	48%
Citrus, CA	11,780	74	48%
East Whittier, CA	10,435	74	48%
La Habra Heights, CA	5,406	74	48%
Pomona, CA	151,807	85	70%

Cities with similar population

City, State	Population	Air Quality Index	National Avg.
Alexandria, VA	151,473	49	2%
Pasadena, TX	153,286	52	4%
Escondido, CA	149,912	61	22%
Lakewood, CO	149,793	54	8%
Kansas City, KS	149,755	58	16%
Pomona, CA	151,807	85	70%

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.