Andover, IL Weather

Andover, 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 85.70 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 13.40 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 Andover is 37.43 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is August with an average rainfall of 4.32 Inches.

Weather Data

Current Conditions

(Updated: 2:52 AM CST MON NOV 23 2009)

Fog And Mist, 42°F	Humidity: 89%	Dewpoint: 39°F
	Wind Speed: E 6.9 MPH (6 KT)	Heat Index: 42°F
	Barometer: 30.07 in.	Wind Chill: 38°F

Weather Forecast

(Generated: 1:14 AM CST MON NOV 23 2009)

		Tonight: Partly cloudy. Low around 40. East wind 5 to 10 mph.
	Lo: 40°F
	Hi: 59°F	Monday: Partly sunny. High in the upper 50s. Southeast wind 5 to 10 mph.
	Lo: 41°F
	Hi: 51°F	Tuesday: Rain likely. High in the lower 50s. Southeast wind 10 to 15 mph. Chance of rain 70 percent.
	Lo: 39°F
	Hi: 41°F	Wednesday: Cloudy with a 40 percent chance of rain. High in the lower 40s.
	Lo: 31°F
	Hi: 39°F	Thanksgiving day: Blustery. Mostly cloudy with scattered snow showers. High in the upper 30s. Chance of snow 30 percent.
	Lo: 29°F
	Hi: 40°F	Friday: Mostly sunny. High around 40.
	Lo: 29°F
	Hi: 45°F	Saturday: Mostly sunny. High in the mid 40s.
	Lo: 31°F

Moon, Sunrise and Sunset

	Moon Phase: First Quarter Moon	Civil Twilight: 6:27 AM CST	Sunrise: 6:58 AM CST
		Sunset: 4:36 PM CST	Civil Twilight: 5:06 PM CST

Normal Climate

Normal Temperatures

(GENESEO Weather station, 13.07 miles from Andover)

Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Max °F	28.7	34.4	47.2	61.1	73.1	82.4	85.7	83.2	75.7	63.3	46.9	33.4	59.6
Mean °F	21.1	26.9	38.4	50.7	62.4	71.9	75.7	73.4	65.3	53.3	39.0	26.3	50.4
Min °F	13.4	19.3	29.5	40.2	51.6	61.3	65.7	63.5	54.9	43.2	31.1	19.2	41.1

Normal Precipitation