TODAY NOV07
TEMPERATURE53
HUMIDITY86
PRESSURE
WIND COND.190 7.4
  • 5532Fri
  • 4627Sat
  • 5341Sun50%
  • 584070%
  • 5132Tue
daynightWeather update from Jaffrey Airport-Silver Ranch at
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Weather Quick Facts

  • The highest monthly average temperature in Peterborough for July is 70 degrees
  • The lowest monthly average temperature in Peterborough for January is 23.1 degrees
  • The most monthly precipitation in Peterborough occurs in October with 5.5 inches
  • The air quality index in Peterborough is 19% better than the national average
  • The pollution index in Peterborough is 142% worse than the national average

Compare Peterborough, NH Weather

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      Peterborough 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
      January14°F32°F23°F2.9"
      February14°F34°F24°F3.3"
      March22°F43°F32°F3.7"
      April34°F57°F45°F3.3"
      May45°F69°F56°F3.8"
      June54°F76°F64°F4.9"
      July59°F81°F70°F4.3"
      August56°F79°F67°F4.4"
      September50°F73°F61°F3.9"
      October40°F61°F49°F5.5"
      November30°F49°F38°F2.9"
      December21°F38°F29°F4.0"

      Peterborough 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.
      IndexPeterboroughNew HampshireNational
      Air quality index343442
      Pollution index6,602,8103,959,6182,726,193

      Peterborough air quality

      MeasurementTotal
      Days measured365
      Days with good air quality348
      Days with moderate air quality17
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.010%
      Benzene0.070%
      Carbon Tetrachloride0.020%
      Lead0.060%
      Mercury0.010%

      Average monthly Peterborough temperature with heat index

      Peterborough monthly precipitation with daily maximum

      Peterborough monthly snow depth with daily maximum

      Peterborough monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Antrim, NH1,3643432.0%
      Marlborough, NH1,0933432.0%
      Bennington, NH2653432.0%
      Troy, NH8573432.0%
      Hancock, NH2313432.0%
      Peterborough, NH2,7043432.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      North Crossett, AR2,7043530.0%
      Enniskillen, ON2,704n/a 
      Many, LA2,7033040.0%
      Bedford, PA2,7033628.0%
      Harlem, FL2,7053628.0%
      Peterborough, NH2,7043432.0%
      Source: The Peterborough, NH 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.