TODAY JUN25
TEMPERATURE66
HUMIDITY75
PRESSURE30.05
WIND COND.
  • 7863Tue
  • 8169Wed50%70%
  • 8669Thu70%50%
  • 8872Fri
  • 8972Sat
daynightWeather update from York, York Airport at

Glen Rock 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
January-8°F72°F33°F2.6"
February-7°F70°F32°F2.4"
March-8°F82°F40°F2.9"
April21°F90°F52°F4.0"
May30°F93°F60°F3.5"
June41°F97°F71°F2.0"
July46°F94°F74°F3.9"
August45°F97°F73°F3.4"
September34°F91°F65°F3.1"
October25°F99°F54°F4.7"
November16°F76°F45°F3.2"
December-5°F73°F34°F3.6"

Did you know?

  • The highest monthly average temperature in Glen Rock for July is 74 degrees.
  • The lowest monthly average temperature in Glen Rock for February is 32 degrees.
  • The most monthly precipitation in Glen Rock occurs in October with 4.7 inches.
  • The air quality index in Glen Rock is 9% better than the national average.
  • The pollution index in Glen Rock is 147% worse than the national average.

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Compare Glen Rock, PA Weather To Other Cities

Glen Rock 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.
IndexGlen RockPennsylvaniaNational
Air quality index454550
Pollution index12,532,5004,327,9925,066,862

Glen Rock air quality information

MeasurementTotal
Days measured365
Days with good air quality241
Days with moderate air quality119
Days w/ poor A.Q. for sensitive groups5
Days with unhealthy air quality

Glen Rock air quality information

PollutantTotal
Arsenic0.180%
Benzene0.090%
Carbon Tetrachloride0.020%
Lead0.130%
Mercury0.270%

Average monthly Glen Rock temperature with heat index

Glen Rock monthly precipitation with daily maximum

Glen Rock monthly snow depth with daily maximum

Glen Rock monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Abbottstown, PA9264314%
Hanover, PA15,4294314%
Pennville, PA1,8184314%
Midway, PA1,9074314%
Manchester, MD4,8144314%
Glen Rock, PA1,9134510%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Fennville, MI1,9132942%
Pine Valley, CA1,9126122%
North Belle Vernon, PA1,9145612%
Stockton, MO1,9143922%
Florala, AL1,9123138%
Glen Rock, PA1,9134510%
Source: The Glen Rock, 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.