TODAY OCT15
TEMPERATURE46
HUMIDITY
PRESSURE30.08
WIND COND.
  • 5440Tue
  • 5533Wed20%
  • 4431Thu
  • 5645Fri
  • 5738Sat30%
daynightWeather update from Chicopee Falls / Westover Air Force Base at
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Granby 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°F35°F27°F5.4"
February16°F35°F27°F5.1"
March24°F44°F35°F7.4"
April37°F61°F50°F6.5"
May46°F70°F60°F4.0"
June59°F82°F71°F5.1"
July63°F84°F74°F6.9"
August61°F84°F74°F5.1"
September52°F78°F67°F8.7"
October46°F65°F56°F15.5"
November31°F51°F41°F6.2"
December21°F36°F29°F5.2"

Did you know?

  • The highest monthly average temperature in Granby for July is 74 degrees.
  • The lowest monthly average temperature in Granby for January is 27 degrees.
  • The most monthly precipitation in Granby occurs in October with 15.5 inches.
  • The air quality index in Granby is 21% better than the national average.
  • The pollution index in Granby is 55% worse than the national average.

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Granby 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.
IndexGranbyMassachusettsNational
Air quality index394050
Pollution index7,859,36012,377,8395,066,862

Granby air quality information

MeasurementTotal
Days measured365
Days with good air quality259
Days with moderate air quality103
Days w/ poor A.Q. for sensitive groups3
Days with unhealthy air quality

Granby air quality information

PollutantTotal
Arsenic0.030%
Benzene0.070%
Carbon Tetrachloride0.030%
Lead0.320%
Mercury0.070%

Average monthly Granby temperature with heat index

Granby monthly precipitation with daily maximum

Granby monthly snow depth with daily maximum

Granby monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Amherst Center, MA20,0373922%
Hatfield, MA1,4873922%
Northampton, MA28,5343922%
Springfield, MA153,9913922%
Wilbraham, MA3,9163922%
Granby, MA1,4753922%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Sandia Knolls, NM1,475512%
Clifton, IL1,475198%
Warsaw, IL1,4754020%
Brookfield Center, OH1,4754510%
Naples, TX1,4753824%
Granby, MA1,4753922%
Source: The Granby, 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.