Petersburg, AK Weather Forecast & Monthly Average Temperatures

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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"

Did you know?

The highest monthly average temperature in Petersburg for August is 56 degrees.
The lowest monthly average temperature in Petersburg for January is 30 degrees.
The most monthly precipitation in Petersburg occurs in November with 23.1 inches.
The air quality index in Petersburg is 61% better than the national average.
The pollution index in Petersburg is 94% better than the national average.

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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	19	30	50
Pollution index	285,879	11,990,286	5,066,862

Petersburg air quality information

Measurement	Total
Days measured	346
Days with good air quality	309
Days with moderate air quality	35
Days w/ poor A.Q. for sensitive groups	2
Days with unhealthy air quality

Petersburg air quality information

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, State	Population	Air Quality Index	National Avg.
Kupreanof, AK	24	19	62%
Petersburg, AK	2,996	19	62%

Cities with similar population

City, State	Population	Air Quality Index	National Avg.
Silt, CO	2,996	41	18%
Marion, KY	2,997	36	28%
Iuka, MS	2,997	35	30%
Stamford, TX	2,995	26	48%
Savanna, IL	2,994	53	6%
Petersburg, AK	2,996	19	62%

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.