TODAY NOV07
TEMPERATURE56
HUMIDITY75
PRESSURE101390
WIND COND.250 7.6
  • 5632Fri30%
  • 4728Sat
  • 5439Sun40%
  • 584060%30%
  • 5133Tue
daynightWeather update from Laconia, Laconia Municipal Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Bristol for July is 68.2 degrees
  • The lowest monthly average temperature in Bristol for January is 20.9 degrees
  • The most monthly precipitation in Bristol occurs in October with 8.7 inches
  • The air quality index in Bristol is 26% better than the national average
  • The pollution index in Bristol is 114% worse than the national average

Compare Bristol, NH Weather

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      Bristol 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
      January12°F31°F21°F4.7"
      February13°F33°F22°F2.9"
      March21°F42°F31°F4.2"
      April33°F57°F44°F4.6"
      May43°F70°F56°F6.0"
      June52°F76°F63°F6.8"
      July57°F81°F68°F6.9"
      August55°F79°F66°F8.1"
      September48°F73°F59°F6.6"
      October39°F60°F48°F8.7"
      November28°F47°F37°F4.1"
      December20°F36°F27°F5.0"

      Bristol 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.
      IndexBristolNew HampshireNational
      Air quality index313442
      Pollution index5,847,4703,959,6182,726,193

      Bristol air quality

      MeasurementTotal
      Days measured316
      Days with good air quality308
      Days with moderate air quality8
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.010%
      Benzene0.050%
      Carbon Tetrachloride0.010%
      Lead0.180%
      Mercury0.010%

      Average monthly Bristol temperature with heat index

      Bristol monthly precipitation with daily maximum

      Bristol monthly snow depth with daily maximum

      Bristol monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Tilton Northfield, NH2,7953138.0%
      Laconia, NH16,5843138.0%
      Ashland, NH1,6303138.0%
      Meredith, NH2,6513138.0%
      Belmont, NH1,2723138.0%
      Bristol, NH1,9703138.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Mackinaw, IL1,9704118.0%
      Hagerstown, IN1,9702844.0%
      Nambe, NM1,9704118.0%
      Watts Mills, SC1,9704412.0%
      North Puyallup, WA1,9704510.0%
      Bristol, NH1,9703138.0%
      Source: The Bristol, 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.