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Port Graham Average Weather

In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
MonthTemp. (min)Temp. (max)Temp. (avg)Precipitation
January5°F50°F29°Fn/a
February8°F50°F30°Fn/a
March9°F49°F30°Fn/a
April24°F56°F37°Fn/a
May33°F65°F44°Fn/a
June40°F66°F48°Fn/a
July44°F67°F52°Fn/a
August45°F70°F53°Fn/a
September40°F65°F51°Fn/a
October27°F61°F43°Fn/a
November13°F52°F33°Fn/a
December5°F51°F33°Fn/a

Did you know?

  • The highest monthly average temperature in Port Graham for August is 53 degrees.
  • The lowest monthly average temperature in Port Graham for January is 29 degrees.
  • The most monthly precipitation in Port Graham occurs in January with 0 inches.
  • The air quality index in Port Graham is 41% better than the national average.
  • The pollution index in Port Graham is 57% better than the national average.

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Compare Port Graham, AK Weather To Other Cities

Port Graham 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.
IndexPort GrahamAlaskaNational
Air quality index293050
Pollution index2,169,57011,990,2865,066,862

Port Graham air quality information

MeasurementTotal
Days measured365
Days with good air quality284
Days with moderate air quality76
Days w/ poor A.Q. for sensitive groups4
Days with unhealthy air quality1

Port Graham air quality information

PollutantTotal
Arsenic0.002%
Benzene0.040%
Carbon Tetrachloride0.002%
Lead0.020%
Mercury0.000%

Average monthly Port Graham temperature with heat index

Port Graham monthly precipitation with daily maximum

Port Graham monthly snow depth with daily maximum

Port Graham monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Seldovia, AK2472942%
Seldovia Village, AK1752942%
Nanwalek, AK2162942%
Port Graham, AK1972942%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Olds, IA1975612%
Knobel, AR1973628%
Old Fort, OH1973628%
Henderson, WV1973824%
Mount Eaton, OH1973922%
Port Graham, AK1972942%
Source: The Port Graham, 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.