Petersburg, AK Weather - Forecast & Monthly Averages

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TEMPERATURE	51
HUMIDITY	96
PRESSURE	101760
WIND COND.

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Weather Quick Facts

The highest monthly average temperature in Petersburg for August is 55.8 degrees
The lowest monthly average temperature in Petersburg for January is 29.9 degrees
The most monthly precipitation in Petersburg occurs in November with 23.1 inches
The air quality index in Petersburg is 52% better than the national average
The pollution index in Petersburg is 90% better than the national average

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Petersburg 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	26°F	35°F	30°F	13.2"
February	28°F	37°F	32°F	5.0"
March	31°F	41°F	35°F	7.4"
April	35°F	49°F	41°F	10.0"
May	42°F	58°F	49°F	3.1"
June	47°F	61°F	54°F	4.1"
July	51°F	62°F	55°F	9.0"
August	49°F	64°F	56°F	17.4"
September	46°F	55°F	50°F	7.5"
October	38°F	48°F	43°F	5.1"
November	33°F	42°F	37°F	23.1"
December	28°F	37°F	32°F	10.8"

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Petersburg 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	Petersburg	Alaska	National
Air quality index	20	30	42
Pollution index	285,879	11,243,194	2,726,193

Petersburg air quality

Measurement	Total
Days measured	362
Days with good air quality	308
Days with moderate air quality	51
Days w/ poor A.Q. for sensitive groups	3
Days with unhealthy air quality	0

Air quality details

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

Average monthly Petersburg temperature with heat index

Petersburg monthly precipitation with daily maximum

Petersburg monthly snow depth with daily maximum

Petersburg monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Kupreanof, AK	6	20	60.0%
Petersburg, AK	3,170	20	60.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Bushnell, FL	3,170	30	40.0%
Cadiz, OH	3,169	39	22.0%
Pickens, SC	3,169	46	8.0%
Blue Ridge, VA	3,169	38	24.0%
Pictou, NS	3,169	n/a
Petersburg, AK	3,170	20	60.0%

Source: The Petersburg, 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.