Granby, MA Weather - Forecast & Monthly Averages

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TEMPERATURE	64
HUMIDITY	22
PRESSURE	100810
WIND COND.

Weather Quick Facts

The highest monthly average temperature in Granby for July is 74 degrees
The lowest monthly average temperature in Granby for January is 26.6 degrees
The most monthly precipitation in Granby occurs in October with 15.5 inches
The air quality index in Granby is 5% better than the national average
The pollution index in Granby is 188% worse than the national average

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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.
Month	Temp. _(min)	Temp. _(max)	Temp. _(avg)	Precipitation
January	18°F	35°F	27°F	5.4"
February	16°F	35°F	27°F	5.1"
March	24°F	44°F	35°F	7.4"
April	37°F	61°F	50°F	6.5"
May	46°F	70°F	60°F	4.0"
June	59°F	82°F	71°F	5.1"
July	63°F	84°F	74°F	6.9"
August	61°F	84°F	74°F	5.1"
September	52°F	78°F	67°F	8.7"
October	46°F	65°F	56°F	15.5"
November	31°F	51°F	41°F	6.2"
December	21°F	36°F	29°F	5.2"

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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.
Index	Granby	Massachusetts	National
Air quality index	40	40	42
Pollution index	7,859,360	8,399,610	2,726,193

Granby air quality

Measurement	Total
Days measured	364
Days with good air quality	305
Days with moderate air quality	59
Days w/ poor A.Q. for sensitive groups	0
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.030%
Benzene	0.070%
Carbon Tetrachloride	0.030%
Lead	0.320%
Mercury	0.070%

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	Population	Air Quality Index	National Avg.
Chicopee, MA	56,658	40	20.0%
Wilbraham, MA	3,333	40	20.0%
Monson Center, MA	1,754	40	20.0%
Hatfield, MA	1,180	40	20.0%
South Deerfield, MA	2,201	40	20.0%
Granby, MA	1,221	40	20.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Eton, GA	1,221	43	14.0%
Greene, IA	1,221	15	70.0%
Roseland, LA	1,221	30	40.0%
Fairland, OK	1,221	38	24.0%
Due West, SC	1,221	31	38.0%
Granby, MA	1,221	40	20.0%

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.