Duluth, MN Weather

Duluth, MN climate is mild during summer when temperatures tend to be in the 60's and extremely cold during winter when temperatures tend to be in the 10's.

The warmest month of the year is July with an average maximum temperature of 74.90 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 1.10 degrees Fahrenheit.

Temperature variations between night and day tend to be fairly limited during summer with a difference that can reach 17 degrees Fahrenheit, and fairly limited during winter with an average difference of 18 degrees Fahrenheit.

The annual average precipitation at Duluth is 25.60 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is July with an average rainfall of 3.73 Inches.

Weather Data

Weather Warnings

Dense fog advisory in effect until 10 am cst Tuesday .

Current Conditions

(Updated: 2:14 AM CST TUE NOV 24 2009)

Fog And Mist, 45°F	Humidity: 93%	Dewpoint: 43°F
	Wind Speed: E 5.8 MPH (5 KT)	Heat Index: 45°F
	Barometer: 30.03 in.	Wind Chill: 42°F

Weather Forecast

(Generated: 9:42 PM CST MON NOV 23 2009)

		Tonight: Cloudy with light rain likely. Areas of dense fog. Visibility one quarter mile or less at Times. Lows 38 to 43. Southeast winds around 5 mph.
	Lo: 41°F
	Hi: 46°F	Tuesday: Areas of dense fog in the morning. Cloudy with a 50 percent chance of light rain. Visibility one quarter mile or less at Times in the morning. Highs 43 to 48. South winds around 5 mph becoming southwest late in the afternoon.
	Lo: 35°F
	Hi: 38°F	Wednesday: Light rain or snow likely. Light snow accumulations. Highs 35 to 40. Northwest winds 5 to 10 mph increasing to 10 to 20 mph in the afternoon. Chance of precipitation 70 percent.
	Lo: 28°F
	Hi: 36°F	Thanksgiving day: Mostly cloudy with a 20 percent chance of snow showers. Highs 33 to 38.
	Lo: 25°F
	Hi: 38°F	Friday: Partly cloudy. Lows 22 to 27. Highs 35 to 40.
	Lo: 25°F
	Hi: 38°F	Saturday: Partly cloudy. Lows 22 to 27. Highs 35 to 40.
	Lo: 25°F
	Hi: 38°F	Saturday: Partly cloudy. Lows 22 to 27. Highs 35 to 40.
	Lo: 23°F

Moon, Sunrise and Sunset

	Moon Phase: Waxing Gibbous Moon	Civil Twilight: 6:49 AM CST	Sunrise: 7:22 AM CST
		Sunset: 4:26 PM CST	Civil Twilight: 5:00 PM CST

Normal Climate

Normal Temperatures

(DULUTH HARBOR STA Weather station, 1.55 miles from Duluth)

Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Max °F	19.6	25.8	34.5	46.5	57.4	67.6	74.9	73.0	64.5	52.6	37.2	24.5	48.2
Mean °F	10.4	16.6	26.4	38.5	48.4	57.9	65.8	65.3	56.4	45.2	30.5	16.7	39.8
Min °F	1.1	7.4	18.3	30.5	39.3	48.1	56.7	57.5	48.2	37.8	23.7	8.8	31.5

Normal Precipitation