Hamilton, MT Weather

Hamilton, 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 82.80 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 16.80 degrees Fahrenheit.

Temperature variations between night and day tend to be relatively big during summer with a difference that can reach 34 degrees Fahrenheit, and fairly limited during winter with an average difference of 19 degrees Fahrenheit.

The annual average precipitation at Hamilton is 13.54 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is May with an average rainfall of 1.75 Inches.

Weather Data

Current Conditions

(Updated: 6:53 PM MDT THU MAR 18 2010)

Mostly Cloudy, 46°F	Humidity: 35%	Dewpoint: 20°F
	Wind Speed: N 11.5 MPH (10 KT)	Heat Index: 46°F
	Barometer: 30.17 in.	Wind Chill: 41°F

Weather Forecast

(Generated: 4:58 PM MDT THU MAR 18 2010)

		Tonight: Mostly sunny early in the evening then becoming mostly cloudy. Scattered snow showers. Lows 19 to 26. Northwest winds to 15 mph early in the evening.
	Lo: 23°F
	Hi: 36°F	Friday: Partly cloudy with a chance of snow showers. Highs in the 30s to lower 40s.
	Lo: 21°F
	Hi: 46°F	Saturday: Mostly sunny. Highs in the mid 40s to lower 50s.
	Lo: 25°F
	Hi: 46°F	Sunday: Partly cloudy. A 20 percent chance of rain and snow showers in the afternoon. Highs in the mid 40s to lower 50s.
	Lo: 26°F
	Hi: 40°F	Monday: Rain and snow showers likely. Chance of precipitation 70 percent. Highs in the upper 30s to mid 40s.
	Lo: 25°F
	Hi: 36°F	Tuesday: Chance of valley rain showers with mountain snow showers likely. Chance of precipitation 60 percent. Highs in the mid 30s to lower 40s.
	Lo: 23°F
	Hi: 40°F	Wednesday: Mostly cloudy with a 30 percent chance of rain and snow showers. Highs in the upper 30s to mid 40s.
	Lo: 25°F

Moon, Sunrise and Sunset

	Moon Phase: Waxing Crescent Moon	Civil Twilight: 7:13 AM MDT	Sunrise: 7:42 AM MDT
		Sunset: 7:46 PM MDT	Civil Twilight: 8:16 PM MDT

Normal Climate

Normal Temperatures

(HAMILTON Weather station, 1.27 miles from Hamilton)

Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Max °F	34.4	40.8	49.7	57.9	66.3	74.2	82.8	82.0	71.0	58.7	42.3	34.0	57.8
Mean °F	25.6	30.5	38.0	45.1	52.8	59.8	66.1	65.1	55.6	44.9	32.8	25.5	45.2
Min °F	16.8	20.2	26.3	32.2	39.2	45.3	49.3	48.1	40.1	31.0	23.2	16.9	32.4

Normal Precipitation