TODAY APR16
TEMPERATURE45
HUMIDITY76
PRESSURE101520
WIND COND.
  • 6736Tue
  • 6339Wed20%
  • 5438Thu20%30%
  • 5744Fri40%
  • 6039Sat40%30%
daynightWeather update from Fitchburg, Fitchburg Municipal Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Shirley for July is 74.1 degrees
  • The lowest monthly average temperature in Shirley for January is 27.1 degrees
  • The most monthly precipitation in Shirley occurs in October with 5.8 inches
  • The air quality index in Shirley is 5% better than the national average
  • The pollution index in Shirley is 177% worse than the national average

Compare Shirley, MA Weather

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      Shirley 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°F37°F27°F2.8"
      February18°F39°F28°F3.3"
      March26°F47°F36°F4.0"
      April38°F62°F49°F3.9"
      May48°F72°F59°F4.0"
      June57°F80°F68°F5.0"
      July63°F86°F74°F4.0"
      August61°F83°F72°F3.6"
      September54°F77°F65°F3.7"
      October43°F65°F53°F5.8"
      November32°F53°F42°F3.2"
      December23°F42°F32°F4.0"

      Shirley 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.
      IndexShirleyMassachusettsNational
      Air quality index404042
      Pollution index7,556,3208,399,6102,726,193

      Shirley air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality312
      Days with moderate air quality52
      Days w/ poor A.Q. for sensitive groups1
      Days with unhealthy air quality0

      Shirley air quality information

      PollutantTotal
      Arsenic0.010%
      Benzene0.070%
      Carbon Tetrachloride0.040%
      Lead0.010%
      Mercury0.040%

      Average monthly Shirley temperature with heat index

      Shirley monthly precipitation with daily maximum

      Shirley monthly snow depth with daily maximum

      Shirley monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Townsend, MA1,2763726.0%
      East Pepperell, MA1,9163726.0%
      Nashua, NH89,0523726.0%
      Groton, MA1,1273726.0%
      Pepperell, MA2,6853726.0%
      Shirley, MA1,7164020.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      North Berwick, ME1,7164020.0%
      Wicklow, NB1,716n/a 
      Central Kootenay G, BC1,716n/a 
      Winchester, IL1,7174020.0%
      Harlan, IN1,7154510.0%
      Shirley, MA1,7164020.0%
      Source: The Shirley, 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.