Phoenix, AZ Weather - Forecast & Monthly Averages

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TEMPERATURE	99
HUMIDITY	31
PRESSURE	100880
WIND COND.	5.4

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Weather Quick Facts

The highest monthly average temperature in Phoenix for July is 95.9 degrees
The lowest monthly average temperature in Phoenix for December is 55.5 degrees
The most monthly precipitation in Phoenix occurs in August with 1.4 inches
The air quality index in Phoenix is 76% worse than the national average
The pollution index in Phoenix is 49% worse than the national average

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Phoenix 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	45°F	69°F	56°F	0.8"
February	48°F	74°F	60°F	0.7"
March	54°F	81°F	67°F	0.5"
April	60°F	88°F	74°F	0.2"
May	68°F	96°F	83°F	0.2"
June	79°F	107°F	94°F	0.0"
July	84°F	108°F	96°F	0.9"
August	83°F	107°F	94°F	1.4"
September	77°F	102°F	89°F	0.8"
October	65°F	92°F	78°F	0.2"
November	54°F	80°F	66°F	0.4"
December	45°F	69°F	55°F	0.9"

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Phoenix 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	Phoenix	Arizona	National
Air quality index	74	57	42
Pollution index	4,063,380	9,766,019	2,726,193

Phoenix air quality

Measurement	Total
Days measured	365
Days with good air quality	50
Days with moderate air quality	261
Days w/ poor A.Q. for sensitive groups	42
Days with unhealthy air quality	2

Air quality details

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

Average monthly Phoenix temperature with heat index

Phoenix monthly precipitation with daily maximum

Phoenix monthly snow depth with daily maximum

Phoenix monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
El Mirage, AZ	35,702	74	48.0%
Chandler, AZ	257,076	74	48.0%
Santa Cruz, AZ	57	74	48.0%
Peoria, AZ	172,109	74	48.0%
Sun City, AZ	38,888	74	48.0%
Phoenix, AZ	1,658,422	74	48.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Philadelphia, PA	1,581,531	51	2.0%
San Antonio, TX	1,529,133	49	2.0%
Montréal, QC	1,811,008	n/a
San Diego, CA	1,414,545	64	28.0%
Calgary, AB	1,371,990	n/a
Phoenix, AZ	1,658,422	74	48.0%

Source: The Phoenix, 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.