TODAY APR25
TEMPERATURE30
HUMIDITY54
PRESSURE102270
WIND COND.
  • 5527Thu
  • 5831Fri
  • 6142Sat
  • 6448Sun
  • 6848Mon
daynightWeather update from Pease Air Force Base / Portsmouth at
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Weather Quick Facts

  • The highest monthly average temperature in Newmarket for July is 71.8 degrees
  • The lowest monthly average temperature in Newmarket for January is 27 degrees
  • The most monthly precipitation in Newmarket occurs in September with 8.5 inches
  • The air quality index in Newmarket is 12% better than the national average
  • The pollution index in Newmarket is 97% better than the national average

Compare Newmarket, NH Weather

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      Newmarket 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
      January19°F36°F27°F5.3"
      February19°F37°F27°F6.2"
      March27°F45°F35°F7.3"
      April37°F58°F47°F7.5"
      May47°F68°F57°F7.1"
      June56°F76°F65°F8.3"
      July63°F83°F72°F7.9"
      August60°F81°F70°F8.4"
      September54°F74°F63°F8.5"
      October43°F63°F52°F8.2"
      November33°F52°F42°F6.9"
      December24°F41°F32°F6.3"

      Newmarket 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.
      IndexNewmarketNew HampshireNational
      Air quality index373442
      Pollution index91,7903,959,6182,726,193

      Newmarket air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality353
      Days with moderate air quality12
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Newmarket air quality information

      PollutantTotal
      Arsenic0.000%
      Benzene0.002%
      Carbon Tetrachloride0.000%
      Lead0.001%
      Mercury0.000%

      Average monthly Newmarket temperature with heat index

      Newmarket monthly precipitation with daily maximum

      Newmarket monthly snow depth with daily maximum

      Newmarket monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Berwick, ME1,9852746.0%
      South Eliot, ME3,0473726.0%
      Portsmouth, NH21,4183726.0%
      Kittery Point, ME1,0343726.0%
      Exeter, NH9,3493726.0%
      Newmarket, NH5,7373726.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      West Side Highway, WA5,7351864.0%
      Schriever, LA5,7344118.0%
      Newtown Grant, PA5,7404118.0%
      Princeton, WV5,740295490.0%
      Nolanville, TX5,7324216.0%
      Newmarket, NH5,7373726.0%
      Source: The Newmarket, 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.