South Glastonbury, MT Weather - Forecast & Monthly Averages

TEMPERATURE	17
HUMIDITY	80
PRESSURE	101800
WIND COND.

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Weather Quick Facts

The highest monthly average temperature in South Glastonbury for July is 70.4 degrees
The lowest monthly average temperature in South Glastonbury for December is 26.5 degrees
The most monthly precipitation in South Glastonbury occurs in May with 3.1 inches
The air quality index in South Glastonbury is 41% better than the national average
The pollution index in South Glastonbury is 34% worse than the national average

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South Glastonbury 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	20°F	40°F	29°F	0.3"
February	20°F	41°F	30°F	0.6"
March	27°F	51°F	38°F	0.9"
April	31°F	58°F	43°F	1.8"
May	37°F	66°F	51°F	3.1"
June	44°F	77°F	61°F	2.0"
July	50°F	90°F	70°F	1.0"
August	48°F	87°F	68°F	1.1"
September	41°F	77°F	58°F	1.3"
October	35°F	61°F	47°F	1.6"
November	26°F	48°F	37°F	0.8"
December	17°F	36°F	26°F	0.6"

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South Glastonbury 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	South Glastonbury	Montana	National
Air quality index	25	34	42
Pollution index	3,657,990	834,473	2,726,193

South Glastonbury air quality

Measurement	Total
Days measured	365
Days with good air quality	337
Days with moderate air quality	28
Days w/ poor A.Q. for sensitive groups	0
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.040%
Benzene	0.040%
Carbon Tetrachloride	0.010%
Lead	0.040%
Mercury	0.030%

Average monthly South Glastonbury temperature with heat index

South Glastonbury monthly precipitation with daily maximum

South Glastonbury monthly snow depth with daily maximum

South Glastonbury monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Corwin Springs, MT	110	25	50.0%
Emigrant, MT	301	25	50.0%
Pray, MT	719	25	50.0%
South Glastonbury, MT	379	25	50.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Rough Rock, AZ	379	17	66.0%
Magnolia, DE	379	42	16.0%
McCausland, IA	379	42	16.0%
Hall Summit, LA	379	39	22.0%
Coinjock, NC	379	40	20.0%
South Glastonbury, MT	379	25	50.0%

Source: The South Glastonbury, MT 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.