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Harrisburg 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
January3°F70°F33°F2.7"
February6°F66°F32°F2.1"
March7°F83°F41°F2.1"
April28°F90°F54°F3.3"
May35°F93°F61°F2.4"
June44°F95°F72°F3.8"
July51°F97°F75°F3.9"
August52°F98°F75°F3.1"
September42°F93°F67°F2.6"
October30°F91°F56°F4.0"
November18°F75°F46°F2.2"
December3°F73°F35°F3.8"

Did you know?

  • The highest monthly average temperature in Harrisburg for July is 75 degrees.
  • The lowest monthly average temperature in Harrisburg for February is 32 degrees.
  • The most monthly precipitation in Harrisburg occurs in October with 4 inches.
  • The air quality index in Harrisburg is 4% worse than the national average.
  • The pollution index in Harrisburg is 118% worse than the national average.

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Compare Harrisburg, PA Weather To Other Cities

Harrisburg 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.
IndexHarrisburgPennsylvaniaNational
Air quality index524550
Pollution index11,091,2004,327,9925,066,862

Harrisburg air quality information

MeasurementTotal
Days measured365
Days with good air quality168
Days with moderate air quality187
Days w/ poor A.Q. for sensitive groups10
Days with unhealthy air quality

Harrisburg air quality information

PollutantTotal
Arsenic0.010%
Benzene0.140%
Carbon Tetrachloride0.030%
Lead0.310%
Mercury0.004%

Average monthly Harrisburg temperature with heat index

Harrisburg monthly precipitation with daily maximum

Harrisburg monthly snow depth with daily maximum

Harrisburg monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Hershey, PA14,3384314%
Palmdale, PA1,0434314%
York Haven, PA6454510%
Falmouth, PA4634510%
Manchester, PA2,7534510%
Harrisburg, PA49,160524%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Niagara Falls, NY49,1804118%
La Mirada, CA49,1307448%
Methuen Town, MA49,0433628%
Rancho Santa Margarita, CA49,0388570%
Severn, MD49,017468%
Harrisburg, PA49,160524%
Source: The Harrisburg, PA 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.