St. Mary's, AK Weather - Forecast & Monthly Averages

TEMPERATURE	30
HUMIDITY
PRESSURE
WIND COND.

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Weather Quick Facts

The highest monthly average temperature in St. Mary's for July is 55.3 degrees
The lowest monthly average temperature in St. Mary's for March is 7.9 degrees
The most monthly precipitation in St. Mary's occurs in August with 4.8 inches
The air quality index in St. Mary's is 26% better than the national average
The pollution index in St. Mary's is 87% better than the national average

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St. Mary's 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	7°F	17°F	12°F	1.9"
February	6°F	18°F	12°F	0.4"
March	2°F	15°F	8°F	0.3"
April	17°F	33°F	24°F	1.4"
May	32°F	52°F	41°F	2.0"
June	43°F	62°F	52°F	2.5"
July	47°F	65°F	55°F	1.8"
August	48°F	61°F	54°F	4.8"
September	42°F	51°F	46°F	2.7"
October	25°F	35°F	30°F	2.2"
November	10°F	19°F	14°F	0.5"
December	7°F	19°F	13°F	0.2"

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St. Mary's 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. Mary's	Alaska	National
Air quality index	31	30	42
Pollution index	349,533	11,243,194	2,726,193

St. Mary's air quality

Measurement	Total
Days measured	365
Days with good air quality	262
Days with moderate air quality	92
Days w/ poor A.Q. for sensitive groups	7
Days with unhealthy air quality	4

Air quality details

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

Average monthly St. Mary's temperature with heat index

St. Mary's monthly precipitation with daily maximum

St. Mary's monthly snow depth with daily maximum

St. Mary's monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Pitkas Point, AK	130	31	38.0%
Pilot Station, AK	421	31	38.0%
St. Mary's, AK	660	31	38.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Point Hope, AK	660	38	24.0%
Perdido, AL	660	37	26.0%
Indianola, CA	660	27	46.0%
Lake Hughes, CA	660	72	44.0%
Fleming, CO	660	19	62.0%
St. Mary's, AK	660	31	38.0%

Source: The St. Mary's, AK 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.