St. Johns CDP, AZ Weather - Forecast & Monthly Averages

TEMPERATURE	52
HUMIDITY	37
PRESSURE	101460
WIND COND.	240 31.7

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Weather Quick Facts

The highest monthly average temperature in St. Johns CDP for July is 75.5 degrees
The lowest monthly average temperature in St. Johns CDP for January is 33.5 degrees
The most monthly precipitation in St. Johns CDP occurs in August with 2.1 inches
The air quality index in St. Johns CDP is 5% worse than the national average
The pollution index in St. Johns CDP is 69% better than the national average

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St. Johns CDP 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	18°F	50°F	33°F	0.5"
February	23°F	57°F	40°F	0.2"
March	29°F	65°F	47°F	0.3"
April	35°F	72°F	54°F	0.2"
May	43°F	80°F	63°F	0.4"
June	54°F	92°F	75°F	0.2"
July	62°F	92°F	76°F	1.8"
August	59°F	89°F	73°F	2.1"
September	51°F	84°F	67°F	1.0"
October	38°F	74°F	56°F	0.6"
November	27°F	63°F	44°F	0.4"
December	21°F	50°F	34°F	0.5"

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St. Johns CDP 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	St. Johns CDP	Arizona	National
Air quality index	44	57	42
Pollution index	841,255	9,766,019	2,726,193

St. Johns CDP air quality

Measurement	Total
Days measured	365
Days with good air quality	294
Days with moderate air quality	70
Days w/ poor A.Q. for sensitive groups	1
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.000%
Benzene	0.020%
Carbon Tetrachloride	0.002%
Lead	0.000%
Mercury	0.000%

Average monthly St. Johns CDP temperature with heat index

St. Johns CDP monthly precipitation with daily maximum

St. Johns CDP monthly snow depth with daily maximum

St. Johns CDP monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Concho, AZ	0	44	12.0%
St. Johns, AZ	3,507	44	12.0%
St. Johns CDP, AZ	726	44	12.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Salt Creek, CO	726	20	60.0%
Morning Sun, IA	726	32	36.0%
Dieterich, IL	726	40	20.0%
Holland, IN	726	6	88.0%
Calhoun, KY	726	43	14.0%
St. Johns CDP, AZ	726	44	12.0%

Source: The St. Johns CDP, 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.