TODAY NOV09
TEMPERATURE41
HUMIDITY36
PRESSURE102440
WIND COND.290 20.5
  • 4936Sun40%
  • 553370%60%
  • 4219Tue80%
  • 4320Wed
  • 4325Thu40%
daynightWeather update from Whitefield - Mount Washington Regional Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Lancaster for July is 66.8 degrees
  • The lowest monthly average temperature in Lancaster for January is 17.4 degrees
  • The most monthly precipitation in Lancaster occurs in July with 5.3 inches
  • The air quality index in Lancaster is 5% better than the national average
  • The pollution index in Lancaster is 53% better than the national average

Compare Lancaster, NH Weather

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      Lancaster 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
      January7°F28°F17°F1.4"
      February8°F29°F18°F1.6"
      March17°F39°F28°F2.0"
      April31°F54°F42°F2.9"
      May42°F67°F54°F4.2"
      June51°F73°F62°F5.1"
      July55°F78°F67°F5.3"
      August53°F76°F64°F4.7"
      September46°F70°F57°F3.2"
      October37°F57°F46°F4.3"
      November26°F45°F34°F2.4"
      December16°F32°F24°F3.0"

      Lancaster 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.
      IndexLancasterNew HampshireNational
      Air quality index403442
      Pollution index1,278,4303,959,6182,726,193

      Lancaster air quality

      MeasurementTotal
      Days measured324
      Days with good air quality314
      Days with moderate air quality10
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.001%
      Benzene0.020%
      Carbon Tetrachloride0.002%
      Lead0.010%
      Mercury0.001%

      Average monthly Lancaster temperature with heat index

      Lancaster monthly precipitation with daily maximum

      Lancaster monthly snow depth with daily maximum

      Lancaster monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Groveton, NH9144020.0%
      Littleton, NH4,2944020.0%
      Concord, VT1764020.0%
      Whitefield, NH1,2024020.0%
      Bethlehem, NH1,0614020.0%
      Lancaster, NH1,8924020.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Mayville, ND1,8923334.0%
      Summitview, WA1,8923824.0%
      Charlotte Park, FL1,8933628.0%
      St. Francisville, LA1,8914510.0%
      Wellston, MO1,891548.0%
      Lancaster, NH1,8924020.0%
      Source: The Lancaster, 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.