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Heppner Average Temperature

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
January27°F43°F34°F1.0"
February28°F50°F38°F0.7"
March33°F60°F46°F1.0"
April37°F67°F52°F0.8"
May44°F77°F61°F1.0"
June52°F84°F68°F0.8"
July58°F94°F76°F0.1"
August56°F92°F74°F0.2"
September47°F82°F64°F0.4"
October39°F67°F52°F1.0"
November32°F52°F41°F1.0"
December25°F41°F32°F1.2"

Did you know?

  • The highest monthly average temperature in Heppner for July is 76 degrees.
  • The lowest monthly average temperature in Heppner for December is 32 degrees.
  • The most monthly precipitation in Heppner occurs in December with 1.2 inches.
  • The air quality index in Heppner is 23% better than the national average.
  • The pollution index in Heppner is 204% worse than the national average.

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Heppner 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.
IndexHeppnerOregonNational
Air quality index383250
Pollution index15,448,3005,374,5275,066,862

Heppner air quality information

MeasurementTotal
Days measured364
Days with good air quality286
Days with moderate air quality72
Days w/ poor A.Q. for sensitive groups6
Days with unhealthy air quality

Heppner air quality information

PollutantTotal
Arsenic0.010%
Benzene0.170%
Carbon Tetrachloride0.030%
Lead0.050%
Mercury0.010%

Average monthly Heppner temperature with heat index

Heppner monthly precipitation with daily maximum

Heppner monthly snow depth with daily maximum

Heppner monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Lexington, OR1883824%
Ione, OR2763824%
Heppner, OR1,1863824%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Pamplico, SC1,1864020%
Leupp, AZ1,1864216%
Kent City, MI1,1863922%
Sunflower, MS1,1863726%
San Antonito, NM1,186512%
Heppner, OR1,1863824%
Source: The Heppner, OR 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.