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Key findings

  • The highest monthly average temperature in East Merrimack for July is 73.8 degrees
  • The lowest monthly average temperature in East Merrimack for January is 26.2 degrees
  • The most monthly precipitation in East Merrimack occurs in October with 5.4 inches
  • The air quality index in East Merrimack is 26% better than the national average
  • The pollution index in East Merrimack is 142% worse than the national average

Compare East Merrimack, NH Weather

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      East Merrimack 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
      January18°F36°F26°F2.5"
      February18°F38°F27°F3.0"
      March27°F46°F36°F3.6"
      April38°F61°F49°F3.3"
      May48°F71°F59°F3.9"
      June58°F79°F68°F4.6"
      July64°F85°F74°F3.8"
      August61°F83°F72°F4.3"
      September55°F76°F65°F3.9"
      October44°F64°F53°F5.4"
      November33°F52°F42°F3.1"
      December24°F40°F31°F3.6"

      East Merrimack 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.
      IndexEast MerrimackNew HampshireNational
      Air quality index373450
      Pollution index6,602,8103,959,6182,726,193

      East Merrimack 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

      East Merrimack air quality information

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

      Average monthly East Merrimack temperature with heat index

      East Merrimack monthly precipitation with daily maximum

      East Merrimack monthly snow depth with daily maximum

      East Merrimack monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Pinardville, NH5,1103726.0%
      East Pepperell, MA1,8413726.0%
      Hudson, NH7,9613726.0%
      Derry, NH22,3923726.0%
      South Hooksett, NH5,9583726.0%
      East Merrimack, NH3,9203726.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Connerton, FL3,9204314.0%
      Portland, MI3,9203628.0%
      Kittanning, PA3,9203824.0%
      Oka, QC3,920n/a 
      Romeo, MI3,9195612.0%
      East Merrimack, NH3,9203726.0%
      Source: The East Merrimack, 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.