Darby, MT Weather

Darby, 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 83.80 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 18.50 degrees Fahrenheit.

Temperature variations between night and day tend to be relatively big during summer with a difference that can reach 35 degrees Fahrenheit, and fairly limited during winter with an average difference of 19 degrees Fahrenheit.

The annual average precipitation at Darby is 16.20 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is May with an average rainfall of 2.03 Inches.

Weather Data

Current Conditions

(Updated: 6:53 AM MST MON NOV 23 2009)

Overcast, 32°F	Humidity: 85%	Dewpoint: 28°F
	Wind Speed: CALM	Heat Index: 32°F
	Barometer: 30.23 in.	Wind Chill: 32°F

Weather Forecast

(Generated: 5:04 AM MST MON NOV 23 2009)

	Hi: 30°F	Today: Mostly cloudy. Slight chance of snow showers in the morning. Highs in the upper 20s to mid 30s.
	Lo: 23°F
	Hi: 35°F	Tuesday: Mostly cloudy with a chance of snow. Highs in the 30s.
	Lo: 25°F
	Hi: 35°F	Wednesday: Partly cloudy. Highs in the 30s.
	Lo: 19°F
	Hi: 35°F	Thanksgiving day: Mostly clear. Lows 15 to 22. Highs in the 30s.
	Lo: 26°F
	Hi: 36°F	Friday: Mostly cloudy with a 50 percent chance of snow. Highs in the 30s to lower 40s.
	Lo: 23°F
	Hi: 35°F	Saturday: Mostly cloudy with a 50 percent chance of snow showers. Lows 19 to 26. Highs in the 30s.
	Lo: 23°F
	Hi: 35°F	Sunday: Mostly cloudy with a 50 percent chance of snow showers. Lows 19 to 26. Highs in the 30s.
	Lo: 23°F

Moon, Sunrise and Sunset

	Moon Phase: First Quarter Moon	Civil Twilight: 7:14 AM MST	Sunrise: 7:47 AM MST
		Sunset: 4:57 PM MST	Civil Twilight: 5:31 PM MST

Normal Climate

Normal Temperatures

(DARBY Weather station, 0.23 miles from Darby)

Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Max °F	35.9	42.3	50.6	58.7	67.4	75.4	83.8	83.7	73.3	61.7	44.6	36.4	59.5
Mean °F	27.2	31.9	38.9	45.7	53.6	60.5	66.4	66.0	57.2	47.6	35.0	27.7	46.5
Min °F	18.5	21.5	27.1	32.6	39.8	45.6	49.0	48.3	41.1	33.4	25.4	18.9	33.4

Normal Precipitation