TODAY NOV25
TEMPERATURE41
HUMIDITY
PRESSURE101020
WIND COND.
  • 4929Mon
  • 4532Tue100%50%
  • 4829Wed
  • 443140%60%
  • 4427Fri60%40%
daynightWeather update from Nashua - Boire Field Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Nashua for July is 73.8 degrees
  • The lowest monthly average temperature in Nashua for January is 26.4 degrees
  • The most monthly precipitation in Nashua occurs in October with 6.8 inches
  • The air quality index in Nashua is 12% better than the national average
  • The pollution index in Nashua is 142% worse than the national average

Compare Nashua, NH Weather

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      Nashua 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°F3.3"
      February17°F38°F27°F4.5"
      March26°F47°F36°F4.7"
      April37°F61°F49°F5.9"
      May47°F72°F59°F5.1"
      June56°F79°F67°F5.9"
      July63°F86°F74°F5.0"
      August60°F83°F71°F5.5"
      September53°F76°F64°F5.7"
      October42°F64°F52°F6.8"
      November31°F52°F41°F5.5"
      December23°F41°F31°F4.8"

      Nashua 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.
      IndexNashuaNew HampshireNational
      Air quality index373442
      Pollution index6,602,8103,959,6182,726,193

      Nashua air quality

      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

      Air quality details

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

      Average monthly Nashua temperature with heat index

      Nashua monthly precipitation with daily maximum

      Nashua monthly snow depth with daily maximum

      Nashua monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Groton, MA1,1273726.0%
      Milford, NH8,6443726.0%
      Derry, NH22,8913726.0%
      Townsend, MA1,2763726.0%
      Wilton, NH1,2033726.0%
      Nashua, NH89,0523726.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Chino, CA89,1708978.0%
      Norwalk, CT88,7554314.0%
      Newmarket, ON88,702n/a 
      Mount Pleasant, SC89,4103824.0%
      Miami Beach, FL89,4394118.0%
      Nashua, NH89,0523726.0%
      Source: The Nashua, 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.