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Key findings

  • The highest monthly average temperature in East Boston for July is 74 degrees
  • The lowest monthly average temperature in East Boston for January is 31 degrees
  • The most monthly precipitation in East Boston occurs in October with 5 inches
  • The air quality index in East Boston is 14% better than the national average
  • The pollution index in East Boston is 374% worse than the national average

Compare Boston, MA Weather

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      East Boston 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"

      East Boston 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 BostonBostonMassachusetts
      Air quality index434340
      Pollution index24,018,00024,018,00012,377,839

      East Boston 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

      East Boston air quality information

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

      Average monthly East Boston temperature with heat index

      East Boston monthly precipitation with daily maximum

      East Boston monthly snow depth with daily maximum

      East Boston monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Beverly, MA40,9674314%
      Cambridge, MA108,7574314%
      Dover, MA2,4534314%
      Hull, MA10,4374314%
      Malden, MA60,7324314%
      Boston, MA658,2794314%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Washington, DC659,009476%
      Memphis, TN655,8574510%
      Denver, CO663,3035816%
      Seattle, WA668,8494510%
      Nashville, TN643,7714510%
      Boston, MA658,2794314%
      Source: The East Boston, 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.