Greycliff, MT Weather

Greycliff, MT climate is mild during summer when temperatures tend to be in the 60's and very cold during winter when temperatures tend to be in the 20's.

The warmest month of the year is July with an average maximum temperature of 84.80 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 13.30 degrees Fahrenheit.

Temperature variations between night and day tend to be relatively big during summer with a difference that can reach 33 degrees Fahrenheit, and moderate during winter with an average difference of 22 degrees Fahrenheit.

The annual average precipitation at Greycliff is 16.11 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is May with an average rainfall of 2.79 Inches.

Weather Data

Current Conditions

(Updated: 12:53 PM MST WED NOV 25 2009)

Fair, 52°F	Humidity: 32%	Dewpoint: 23°F
	Wind Speed: SW 21.9 MPH G 28.8 (19 MPH G 25 KT)	Heat Index: 52°F
	Barometer: 30.23 in.	Wind Chill: 46°F

Weather Forecast

(Generated: 10:03 AM MST WED NOV 25 2009)

	Hi: 51°F	Rest of today: Partly cloudy. Windy. Highs in the lower 50s. Southwest winds 15 to 30 mph. Gusts up to 40 mph late in the morning.
	Lo: 31°F
	Hi: 60°F	Thanksgiving day: Partly cloudy. Windy. Highs around 60. Southwest winds 20 to 35 mph with gusts to around 45 mph.
	Lo: 31°F
	Hi: 49°F	Friday: Mostly cloudy. A 20 percent chance of rain showers in the afternoon. Cooler. Highs in the upper 40s. West winds 15 to 25 mph.
	Lo: 25°F
	Hi: 39°F	Saturday: Mostly cloudy with a 20 percent chance of snow showers. Colder. Highs in the upper 30s.
	Lo: 21°F
	Hi: 39°F	Sunday: Partly cloudy. Highs in the upper 30s.
	Lo: 21°F
	Hi: 45°F	Monday: Partly cloudy. Highs in the mid 40s.
	Lo: 25°F

Moon, Sunrise and Sunset

	Moon Phase: Waxing Gibbous Moon	Civil Twilight: 6:58 AM MST	Sunrise: 7:31 AM MST
		Sunset: 4:39 PM MST	Civil Twilight: 5:12 PM MST

Normal Climate

Normal Temperatures

(BIG TIMBER Weather station, 9.24 miles from Greycliff)

Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Max °F	34.8	40.5	47.6	56.2	66.6	77.0	84.8	84.5	72.3	59.7	43.8	36.0	58.7
Mean °F	24.1	29.0	35.2	43.4	53.0	62.2	68.5	67.7	56.7	45.8	33.4	26.0	45.4
Min °F	13.3	17.5	22.8	30.6	39.3	47.4	52.1	50.8	41.0	31.9	23.0	16.0	32.1

Normal Precipitation