Superior, WI Weather

Superior, WI 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 Superior 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

Current Conditions

(Updated: 9:58 PM CST TUE NOV 24 2009)

Drizzle, 43°F	Humidity: 93%	Dewpoint: 41°F
	Wind Speed: CALM	Heat Index: 43°F
	Barometer: 29.85 in.	Wind Chill: 43°F

Weather Forecast

(Generated: 9:39 PM CST TUE NOV 24 2009)

		Tonight: Cloudy with a 50 percent chance of light rain. Areas of fog. Lows 37 to 42. Light winds.
	Lo: 40°F
	Hi: 40°F	Wednesday: Light rain likely. Highs 37 to 42. Northwest winds 10 to 15 mph. Chance of rain 60 percent.
	Lo: 30°F
	Hi: 36°F	Thanksgiving day: Mostly cloudy. A chance of snow showers in the morning...Then a slight chance of snow showers in the afternoon. Highs 33 to 38. Northwest winds 10 to 15 mph. Chance of snow 30 percent.
	Lo: 26°F
	Hi: 38°F	Friday: Partly cloudy. Highs 35 to 40. Lows 22 to 27.
	Lo: 25°F
	Hi: 38°F	Saturday: Partly cloudy. Highs 35 to 40. Lows 22 to 27.
	Lo: 25°F
	Hi: 38°F	Saturday: Partly cloudy. Highs 35 to 40. Lows 22 to 27.
	Lo: 26°F
	Hi: 36°F	Sunday: Mostly cloudy with a 20 percent chance of light snow. Highs 33 to 38.
	Lo: 21°F

Moon, Sunrise and Sunset

	Moon Phase: Waxing Gibbous Moon	Civil Twilight: 6:48 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, 3.58 miles from Superior)

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