Greycliff, MT Weather - Forecast & Monthly Averages

TEMPERATURE	25
HUMIDITY	74
PRESSURE	101930.3
WIND COND.

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Weather Quick Facts

The highest monthly average temperature in Greycliff for July is 70.4 degrees
The lowest monthly average temperature in Greycliff for December is 26.5 degrees
The most monthly precipitation in Greycliff occurs in May with 3.1 inches
The air quality index in Greycliff is 50% better than the national average
The pollution index in Greycliff is 92% better than the national average

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Greycliff 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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Greycliff 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	Greycliff	Montana	National
Air quality index	21	34	42
Pollution index	218,962	834,473	2,726,193

Greycliff air quality

Measurement	Total
Days measured	362
Days with good air quality	357
Days with moderate air quality	4
Days w/ poor A.Q. for sensitive groups	0
Days with unhealthy air quality	1

Air quality details

Pollutant	Total
Arsenic	0.000%
Benzene	0.002%
Carbon Tetrachloride	0.000%
Lead	0.000%
Mercury	0.000%

Average monthly Greycliff temperature with heat index

Greycliff monthly precipitation with daily maximum

Greycliff monthly snow depth with daily maximum

Greycliff monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Reed Point, MT	247	21	58.0%
Big Timber, MT	1,736	25	50.0%
Greycliff, MT	133	21	58.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Aleknagik, AK	133	31	38.0%
Dutch Flat, CA	133	44	12.0%
Volta, CA	133	48	4.0%
Bradgate, IA	133	15	70.0%
Floris, IA	133	29	42.0%
Greycliff, MT	133	21	58.0%

Source: The Greycliff, 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.