TODAY JUL21
TEMPERATURE64
HUMIDITY93
PRESSURE29.88
WIND COND.70 17.2
  • 7871Sun50%70%
  • 8172Mon80%80%
  • 8271Tue70%60%
  • 8170Wed70%70%
  • 8169Thu70%60%
daynightWeather update from Lancaster, Lancaster Airport at

Mount Gretna Heights 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
January0°F70°F32°F2.3"
February5°F66°F31°F1.6"
March7°F79°F40°F1.6"
April24°F88°F52°F3.4"
May32°F91°F60°F2.5"
June45°F93°F71°F6.1"
July51°F93°F74°F5.0"
August50°F97°F73°F2.5"
September41°F91°F66°F3.0"
October28°F90°F55°F3.7"
November19°F73°F45°F1.9"
December3°F72°F35°F2.7"

Did you know?

  • The highest monthly average temperature in Mount Gretna Heights for July is 74 degrees.
  • The lowest monthly average temperature in Mount Gretna Heights for February is 31 degrees.
  • The most monthly precipitation in Mount Gretna Heights occurs in June with 6.1 inches.
  • The air quality index in Mount Gretna Heights is 13% better than the national average.
  • The pollution index in Mount Gretna Heights is 118% worse than the national average.

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Compare Mount Gretna Heights, PA Weather To Other Cities

Mount Gretna Heights 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.
IndexMount Gretna HeightsPennsylvaniaNational
Air quality index434550
Pollution index11,091,2004,327,9925,066,862

Mount Gretna Heights air quality information

MeasurementTotal
Days measured365
Days with good air quality236
Days with moderate air quality120
Days w/ poor A.Q. for sensitive groups9
Days with unhealthy air quality

Mount Gretna Heights air quality information

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

Average monthly Mount Gretna Heights temperature with heat index

Mount Gretna Heights monthly precipitation with daily maximum

Mount Gretna Heights monthly snow depth with daily maximum

Mount Gretna Heights monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Campbelltown, PA4,0484314%
Cornwall, PA4,2324314%
Fort Indiantown Gap, PA1054314%
Hebron, PA8894314%
Jonestown CDP, PA794314%
Mount Gretna Heights, PA3044314%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Salley, SC3044216%
Bennington, OK304325550%
Hollandale, MN3043726%
Jordan, MT3042452%
Jennings, OK304484%
Mount Gretna Heights, PA3044314%
Source: The Mount Gretna Heights, 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.