TODAY APR02
TEMPERATURE54
HUMIDITY35
PRESSURE30.03
WIND COND.340 15
  • 5135Fri
  • 5942Sat
  • 5939Sun30%30%
  • 6347Mon30%
  • 6550Tue30%40%
daynightWeather update from New Castle, New Castle Municipal Airport at
How would you rate the weather in Mercer?
Write a review to give others more information about this area.
How would you rate the air quality in Mercer?
Write a review to give others more information about this area.
See all Mercer poll results

Mercer 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
January17°F36°F26°F2.9"
February17°F38°F27°F2.5"
March27°F48°F36°F3.2"
April38°F65°F51°F4.6"
May47°F74°F61°F3.5"
June56°F82°F68°F7.2"
July59°F84°F71°F4.6"
August57°F84°F70°F5.3"
September52°F78°F64°F5.4"
October44°F68°F54°F4.5"
November31°F53°F41°F3.1"
December26°F44°F35°F4.0"

Did you know?

  • The highest monthly average temperature in Mercer for July is 71 degrees.
  • The lowest monthly average temperature in Mercer for January is 26 degrees.
  • The most monthly precipitation in Mercer occurs in June with 7.2 inches.
  • The air quality index in Mercer is 38% better than the national average.
  • The pollution index in Mercer is 88% better than the national average.

Compare Mercer, PA Weather To Other Cities

      vs

      Mercer air quality index & pollution index

      m->air_qu[$ndxs[0]]; $r1 =& $this->m->air_qu[$ndxs[1]]; $r0 =& $this->m->air_qu[$ndxs[2]]; echo ''; $r2 =& $this->m->air_po[$ndxs[0]]; $r1 =& $this->m->air_po[$ndxs[1]]; $r0 =& $this->m->air_po[$ndxs[2]]; echo ''; ?>
      In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
      IndexMercerPennsylvaniaNational
      Air quality index',number_format( $r2->med_aqi ),'',number_format( $r1->med_aqi ),'',number_format( $r0->med_aqi ),'
      Pollution index',number_format( $r2->sum188 ),'',number_format( $r1->sum188 ),'',number_format( $r0->sum188 ),'

      Mercer air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality344
      Days with moderate air quality20
      Days w/ poor A.Q. for sensitive groups1
      Days with unhealthy air quality

      Mercer air quality information

      PollutantTotal
      Arsenic0.001%
      Benzene0.010%
      Carbon Tetrachloride0.001%
      Lead0.010%
      Mercury0.001%

      Average monthly Mercer temperature with heat index

      Mercer monthly precipitation with daily maximum

      Mercer monthly snow depth with daily maximum

      Mercer monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Jackson Center, PA1993138%
      New Lebanon, PA2133138%
      Sandy Lake, PA6483138%
      Slippery Rock, PA3,6203138%
      Volant, PA1113138%
      Mercer, PA1,7993138%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Vonore, TN1,799394%
      Twin Lakes, VA1,7993334%
      Owens Cross Roads, AL1,7993726%
      Howard City, MI1,7993922%
      Pine Canyon, CA1,7993628%
      Mercer, PA1,7993138%
      Source: The Mercer, 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.