South Beloit, IL Weather

South Beloit, IL 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 20's.

The warmest month of the year is July with an average maximum temperature of 82.50 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 11.60 degrees Fahrenheit.

Temperature variations between night and day tend to be moderate during summer with a difference that can reach 20 degrees Fahrenheit, and fairly limited during winter with an average difference of 15 degrees Fahrenheit.

The annual average precipitation at South Beloit is 35.25 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is June with an average rainfall of 4.64 Inches.

Weather Data

Current Conditions

(Updated: 5:45 PM CST SUN NOV 22 2009)

Fair, 46°F	Humidity: 82%	Dewpoint: 41°F
	Wind Speed: SE 5.8 MPH (5 KT)	Heat Index: 46°F
	Barometer: 30.13 in.	Wind Chill: 43°F

Weather Forecast

(Generated: 2:51 PM CST SUN NOV 22 2009)

		Tonight: Partly cloudy. Areas of fog after midnight. Lows in the upper 30s. Southeast winds around 10 mph in the evening becoming light and variable after midnight.
	Lo: 39°F
	Hi: 55°F	Monday: Partly sunny. Highs in the mid 50s. Light and variable winds early in the morning becoming southeast around 10 mph in the late morning and afternoon.
	Lo: 40°F
	Hi: 51°F	Tuesday: Cloudy. Slight chance of showers in the morning...Then showers likely in the afternoon. Highs in the lower 50s. Southeast winds 10 to 15 mph. Chance of precipitation 60 percent.
	Lo: 39°F
	Hi: 41°F	Wednesday: Cloudy. Chance of rain showers in the morning...Then a chance of light rain showers and light snow showers in the afternoon. Highs in the lower 40s. Chance of precipitation 50 percent.
	Lo: 31°F
	Hi: 39°F	Thanksgiving day: Mostly cloudy with a 30 percent chance of light snow showers. Highs in the upper 30s.
	Lo: 29°F
	Hi: 41°F	Friday: Partly cloudy. Lows in the upper 20s. Highs in the lower 40s.
	Lo: 29°F
	Hi: 41°F	Saturday: Partly cloudy. Lows in the upper 20s. Highs in the lower 40s.
	Lo: 29°F

Moon, Sunrise and Sunset

	Moon Phase: Waxing Crescent Moon	Civil Twilight: 6:24 AM CST	Sunrise: 6:55 AM CST
		Sunset: 4:28 PM CST	Civil Twilight: 4:59 PM CST

Normal Climate

Normal Temperatures

(BELOIT Weather station, 0.58 miles from South Beloit)

Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Max °F	26.5	31.7	43.7	57.5	69.5	79.2	82.5	80.1	72.9	61.5	44.9	31.7	56.8
Mean °F	19.1	24.3	35.4	47.6	58.8	68.6	72.4	70.1	62.3	51.1	37.1	24.8	47.6
Min °F	11.6	16.9	27.1	37.7	48.0	58.0	62.3	60.1	51.6	40.7	29.3	17.8	38.4

Normal Precipitation