Altona, IL Weather

Altona, 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 84.90 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 12.50 degrees Fahrenheit.

Temperature variations between night and day tend to be moderate during summer with a difference that can reach 21 degrees Fahrenheit, and fairly limited during winter with an average difference of 16 degrees Fahrenheit.

The annual average precipitation at Altona is 37.89 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is June with an average rainfall of 4.39 Inches.

Weather Data

Current Conditions

(Updated: 10:45 AM CST THU DEC 4 2008)

Fair, 21°F	Humidity: 74%	Dewpoint: 14°F
	Wind Speed: W 7 MPH	Heat Index: 21°F
	Barometer: 30.39 in.	Wind Chill: 12°F

Weather Forecast

(Generated: 3:28 AM CST THU DEC 04 2008)

	Hi: 25°F	Today: Partly sunny with scattered flurries. Highs in the mid 20s. Northwest winds 10 to 15 mph.
	Lo: 11°F
	Hi: 29°F	Friday: Mostly sunny. Highs in the upper 20s. Southwest winds 10 to 15 mph.
	Lo: 21°F
	Hi: 31°F	Saturday: Cloudy with a 30 percent chance of snow. Highs in the lower 30s. West winds 15 to 20 mph.
	Lo: 12°F
	Hi: 25°F	Sunday: Mostly sunny. Highs in the mid 20s.
	Lo: 18°F
	Hi: 31°F	Monday: Mostly cloudy. Lows around 18. Highs in the lower 30s.
	Lo: 29°F
	Hi: 35°F	Tuesday: Cloudy. Highs in the mid 30s.
	Lo: 21°F

Moon, Sunrise and Sunset

	Moon Phase: First Quarter Moon	Civil Twilight: 6:37 AM CST	Sunrise: 7:08 AM CST
		Sunset: 4:32 PM CST	Civil Twilight: 5:03 PM CST

Normal Climate

Normal Temperatures

(GALVA Weather station, 8.33 miles from Altona)

Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Max °F	28.9	34.7	47.4	60.7	72.1	81.7	84.9	82.9	76.2	64.0	47.6	34.1	59.6
Mean °F	20.7	26.6	38.1	49.9	61.4	70.6	74.5	72.2	64.7	52.8	38.8	26.1	49.7
Min °F	12.5	18.4	28.7	39.1	50.6	59.5	64.0	61.5	53.2	41.5	30.0	18.0	39.8

Normal Precipitation