Allendale, IL Weather

Allendale, 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 30's.

The warmest month of the year is July with an average maximum temperature of 88.60 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 21.00 degrees Fahrenheit.

Temperature variations between night and day tend to be moderate during summer with a difference that can reach 22 degrees Fahrenheit, and fairly limited during winter with an average difference of 18 degrees Fahrenheit.

The annual average precipitation at Allendale is 43.76 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is May with an average rainfall of 5.12 Inches.

Weather Data

Current Conditions

(Updated: 9:25 AM CST WED NOV 25 2009)

Overcast, 48°F	Humidity: 77%	Dewpoint: 41°F
	Wind Speed: W 12.7 MPH (11 KT)	Heat Index: 48°F
	Barometer: 29.95 in.	Wind Chill: 43°F

Weather Forecast

(Generated: 3:45 AM CST WED NOV 25 2009)

	Hi: 51°F	Today: Mostly cloudy. A 20 percent chance of light rain in the afternoon. Highs in the lower 50s. West winds 10 to 15 mph.
	Lo: 35°F
	Hi: 45°F	Thanksgiving day: Mostly cloudy. A slight chance of light rain and flurries in the morning...Then a slight chance of light rain in the afternoon. Highs in the mid 40s. West winds 10 to 20 mph. Chance of precipitation 20 percent.
	Lo: 29°F
	Hi: 49°F	Friday: Mostly sunny. Highs in the upper 40s. Southwest winds 10 to 15 mph.
	Lo: 31°F
	Hi: 55°F	Saturday: Mostly sunny. Highs in the mid 50s.
	Lo: 41°F
	Hi: 51°F	Sunday: Partly sunny with a 30 percent chance of rain. Highs in the lower 50s.
	Lo: 41°F
	Hi: 45°F	Monday: Mostly cloudy with a 40 percent chance of rain. Lows in the lower 40s. Highs in the mid 40s.
	Lo: 40°F

Moon, Sunrise and Sunset

	Moon Phase: Waxing Gibbous Moon	Civil Twilight: 6:13 AM CST	Sunrise: 6:42 AM CST
		Sunset: 4:32 PM CST	Civil Twilight: 5:01 PM CST

Normal Climate

Normal Temperatures

(MOUNT CARMEL Weather station, 7.69 miles from Allendale)

Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Max °F	38.0	44.1	54.5	65.8	75.9	85.1	88.6	87.0	80.7	69.6	55.3	43.0	65.6
Mean °F	29.5	34.5	44.5	54.9	65.0	74.2	77.9	75.8	68.6	57.2	45.5	34.3	55.2
Min °F	21.0	24.8	34.5	43.9	54.1	63.2	67.1	64.5	56.5	44.7	35.7	25.5	44.6

Normal Precipitation