St. George, UT Weather - Forecast & Monthly Averages

TEMPERATURE	39
HUMIDITY	27
PRESSURE
WIND COND.

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Weather Quick Facts

The highest monthly average temperature in St. George for July is 89.1 degrees
The lowest monthly average temperature in St. George for December is 39.8 degrees
The most monthly precipitation in St. George occurs in January with 4.6 inches
The air quality index in St. George is 5% worse than the national average
The pollution index in St. George is 43% better than the national average

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St. George 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	31°F	53°F	41°F	4.6"
February	36°F	61°F	47°F	1.8"
March	43°F	70°F	55°F	2.5"
April	49°F	77°F	62°F	1.2"
May	59°F	87°F	72°F	1.2"
June	69°F	99°F	85°F	2.1"
July	76°F	103°F	89°F	3.2"
August	72°F	100°F	85°F	2.1"
September	65°F	93°F	78°F	1.3"
October	52°F	79°F	64°F	3.3"
November	40°F	65°F	51°F	0.9"
December	31°F	51°F	40°F	1.9"

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St. George 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. George	Utah	National
Air quality index	44	45	42
Pollution index	1,560,380	3,340,369	2,726,193

St. George air quality

Measurement	Total
Days measured	365
Days with good air quality	291
Days with moderate air quality	74
Days w/ poor A.Q. for sensitive groups	0
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.002%
Benzene	0.020%
Carbon Tetrachloride	0.000%
Lead	0.010%
Mercury	0.002%

Average monthly St. George temperature with heat index

St. George monthly precipitation with daily maximum

St. George monthly snow depth with daily maximum

St. George monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Ivins, UT	8,931	44	12.0%
Santa Clara, UT	7,868	44	12.0%
Leeds, UT	652	44	12.0%
Washington, UT	28,192	44	12.0%
Toquerville, UT	1,689	44	12.0%
St. George, UT	87,176	44	12.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Ogden, UT	87,175	45	10.0%
Waukegan, IL	87,157	39	22.0%
Repentigny, QC	87,645	n/a
Newport Beach, CA	86,694	89	78.0%
Citrus Heights, CA	87,665	52	4.0%
St. George, UT	87,176	44	12.0%

Source: The St. George, UT 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.