San Tan Valley, AZ Weather Forecast & Monthly Average Temperatures

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San Tan Valley 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	39°F	66°F	51°F	4.9"
February	41°F	71°F	55°F	2.3"
March	47°F	78°F	62°F	4.3"
April	53°F	86°F	70°F	1.8"
May	61°F	94°F	78°F	2.3"
June	71°F	104°F	89°F	6.7"
July	80°F	105°F	92°F	6.0"
August	78°F	103°F	90°F	5.5"
September	72°F	98°F	85°F	28.8"
October	58°F	88°F	73°F	1.1"
November	47°F	76°F	61°F	2.4"
December	40°F	64°F	51°F	3.6"

Did you know?

The highest monthly average temperature in San Tan Valley for July is 92 degrees.
The lowest monthly average temperature in San Tan Valley for December is 51 degrees.
The most monthly precipitation in San Tan Valley occurs in September with 28.8 inches.
The air quality index in San Tan Valley is 49% worse than the national average.
The pollution index in San Tan Valley is 20% better than the national average.

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San Tan Valley 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	San Tan Valley	Arizona	National
Air quality index	74	57	50
Pollution index	4,063,380	5,576,494	5,066,862

San Tan Valley air quality information

Measurement	Total
Days measured	365
Days with good air quality	36
Days with moderate air quality	242
Days w/ poor A.Q. for sensitive groups	60
Days with unhealthy air quality	19

San Tan Valley air quality information

Pollutant	Total
Arsenic	0.004%
Benzene	0.060%
Carbon Tetrachloride	0.010%
Lead	0.040%
Mercury	0.001%

Average monthly San Tan Valley temperature with heat index

San Tan Valley monthly precipitation with daily maximum

San Tan Valley monthly snow depth with daily maximum

San Tan Valley monthly wind speed information

Nearby cities with good air quality

City, State	Population	Air Quality Index	National Avg.
Gilbert, AZ	226,832	74	48%
Queen Creek, AZ	30,849	74	48%
Upper Santan Village, AZ	459	74	48%
Apache Junction, AZ	37,775	74	48%
Gold Canyon, AZ	9,616	74	48%
San Tan Valley, AZ	88,507	74	48%

Cities with similar population

City, State	Population	Air Quality Index	National Avg.
Toms River, NJ	88,537	40	20%
Edmond, OK	88,342	47	6%
Newton, MA	88,317	47	6%
Meridian, ID	88,247	36	28%
Waukegan, IL	88,159	35	30%
San Tan Valley, AZ	88,507	74	48%

Source: The San Tan Valley, AZ 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.