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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: 7:45 AM CST SUN NOV 8 2009)

Partly Cloudy Partly Cloudy, 41°F Humidity: 87% Dewpoint: 37°F
Wind Speed: CALM Heat Index: 41°F
Barometer: 30.10 in. Wind Chill: 41°F

Weather Forecast

(Generated: 3:39 AM CST SUN NOV 08 2009)
Hi: 70°F Today: Mostly sunny. Near record breaking warmth likely. Highs around 70. Light and variable winds early in the morning becoming south 10 to 15 mph in the late morning and afternoon.
Lo: 51°F
Hi: 61°F Monday: Mostly cloudy. A 40 percent chance of showers in the afternoon. Highs in the lower 60s. Southwest winds around 10 mph early in the morning becoming light and variable in the late morning and early afternoon...Then becoming north around 10 mph late in the afternoon.
Lo: 41°F
Hi: 55°F Tuesday: Sunny. Highs in the mid 50s. Northeast winds around 10 mph.
Lo: 31°F
Hi: 55°F Veterans day: Sunny. Highs in the mid 50s.
Lo: 35°F
Hi: 60°F Thursday: Partly cloudy. Highs around 60. Lows around 40.
Lo: 40°F
Hi: 60°F Friday: Partly cloudy. Highs around 60. Lows around 40.
Lo: 40°F
Hi: 60°F Friday: Partly cloudy. Highs around 60. Lows around 40.
Lo: 40°F

Moon, Sunrise and Sunset

Waning Gibbous Moon Moon Phase: Waning Gibbous Moon Civil Twilight:
6:08 AM CST
Sunrise:
6:37 AM CST
Sunset:
4:41 PM CST
Civil Twilight:
5:11 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

(BELOIT Weather station, 0.58 miles from South Beloit)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Inch 1.32 1.27 2.21 3.75 3.36 4.64 3.83 4.28 3.62 2.39 2.74 1.84 35.25