Grand Junction, CO Weather

Grand Junction, CO climate is warm during summer when temperatures tend to be in the 70's and very cold during winter when temperatures tend to be in the 30's.

The warmest month of the year is July with an average maximum temperature of 91.90 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 moderate during summer with a difference that can reach 29 degrees Fahrenheit, and moderate during winter with an average difference of 22 degrees Fahrenheit.

The annual average precipitation at Grand Junction is 9.06 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is May with an average rainfall of 1.09 Inches.

Weather Data

Current Conditions

(Updated: 4:53 PM MST TUE NOV 24 2009)

Fair, 38°F	Humidity: 30%	Dewpoint: 9°F
	Wind Speed: CALM	Heat Index: 38°F
	Barometer: 30.35 in.	Wind Chill: 38°F

Weather Forecast

(Generated: 3:03 PM MST TUE NOV 24 2009)

		Tonight: Mostly clear. Lows 10 to 20.
	Lo: 16°F
	Hi: 45°F	Wednesday: Sunny. Highs in the 40s.
	Lo: 21°F
	Hi: 51°F	Thanksgiving day: Sunny. Highs 45 to 55.
	Lo: 21°F
	Hi: 51°F	Friday: Partly cloudy. Highs 45 to 55. Lows 15 to 25.
	Lo: 21°F
	Hi: 45°F	Saturday: Mostly sunny with a 20 percent chance of rain and snow. Highs in the 40s.
	Lo: 21°F
	Hi: 45°F	Sunday: Partly cloudy. Highs in the 40s. Lows 15 to 25.
	Lo: 21°F
	Hi: 45°F	Monday: Partly cloudy. Highs in the 40s. Lows 15 to 25.
	Lo: 21°F

Moon, Sunrise and Sunset

	Moon Phase: Waxing Gibbous Moon	Civil Twilight: 6:37 AM MST	Sunrise: 7:06 AM MST
		Sunset: 4:54 PM MST	Civil Twilight: 5:23 PM MST

Normal Climate

Normal Temperatures

(GRAND JUNCTION 6 ESE Weather station, 4.40 miles from Grand Junction)

Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Max °F	37.9	45.9	56.2	64.6	74.6	86.4	91.9	89.5	80.6	67.5	51.3	40.5	65.6
Mean °F	27.4	34.8	44.4	51.9	61.3	71.8	77.5	75.4	66.5	54.0	39.9	30.0	52.9
Min °F	16.8	23.6	32.5	39.2	48.0	57.1	63.1	61.3	52.4	40.5	28.5	19.4	40.2

Normal Precipitation