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Key findings

  • The highest monthly average temperature in Allston-Brighton for July is 74.2 degrees
  • The lowest monthly average temperature in Allston-Brighton for January is 30.7 degrees
  • The most monthly precipitation in Allston-Brighton occurs in October with 5 inches
  • The air quality index in Allston-Brighton is 14% better than the national average
  • The pollution index in Allston-Brighton is 781% worse than the national average

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      Allston-Brighton 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
      January23°F40°F31°F3.2"
      February22°F41°F31°F3.2"
      March29°F48°F38°F3.8"
      April40°F61°F49°F3.7"
      May50°F69°F58°F3.8"
      June59°F78°F67°F4.7"
      July66°F85°F74°F4.1"
      August64°F83°F73°F3.5"
      September58°F77°F66°F3.0"
      October48°F66°F56°F5.0"
      November37°F55°F45°F3.3"
      December28°F45°F36°F4.6"

      Allston-Brighton 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.
      IndexAllston-BrightonBostonMassachusetts
      Air quality index434340
      Pollution index24,018,00024,018,0008,399,610

      Allston-Brighton air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality291
      Days with moderate air quality73
      Days w/ poor A.Q. for sensitive groups1
      Days with unhealthy air quality0

      Allston-Brighton air quality information

      PollutantTotal
      Arsenic0.030%
      Benzene0.220%
      Carbon Tetrachloride0.100%
      Lead0.280%
      Mercury0.130%

      Average monthly Allston-Brighton temperature with heat index

      Allston-Brighton monthly precipitation with daily maximum

      Allston-Brighton monthly snow depth with daily maximum

      Allston-Brighton monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Framingham, MA70,7434020.0%
      Braintree Town, MA37,0664314.0%
      Dover, MA2,4534314.0%
      Medfield, MA6,5754314.0%
      Newton, MA88,3174314.0%
      Boston, MA658,2794314.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Washington, DC659,009476.0%
      Memphis, TN655,8574510.0%
      Denver, CO663,3035816.0%
      Seattle, WA668,8494510.0%
      Nashville, TN643,7714510.0%
      Boston, MA658,2794314.0%
      Source: The Allston-Brighton, Boston, MA 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.