Allerton, IA Weather

Allerton, IA 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 85.40 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 11.10 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 19 degrees Fahrenheit.

The annual average precipitation at Allerton is 35.61 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is July with an average rainfall of 4.85 Inches.

Weather Data

Current Conditions

(Updated: 2:55 AM CST WED NOV 25 2009)

Overcast, 43°F	Humidity: 87%	Dewpoint: 39°F
	Wind Speed: NW 11.5 MPH (10 KT)	Heat Index: 43°F
	Barometer: 29.87 in.	Wind Chill: 37°F

Weather Forecast

(Generated: 4:03 PM CST TUE NOV 24 2009)

		Tonight: Cloudy until early morning then becoming partly cloudy. A chance of rain through midnight...Then a slight chance of rain after midnight. Breezy...Colder. Low in the mid 30s. Northwest wind 15 to 20 mph. Chance of rain 50 percent.
	Lo: 35°F
	Hi: 45°F	Wednesday: Partly sunny until late afternoon then becoming cloudy. Isolated light rain showers and light snow showers in the afternoon. Breezy. High in the mid 40s. Temperature steady or slowly falling in the afternoon. Northwest wind 10 to 25 mph increasing to 20 to 25 mph in the afternoon. Chance of precipitation 20 percent.
	Lo: 29°F
	Hi: 41°F	Thanksgiving day: Partly sunny. Breezy. High in the lower 40s. Northwest wind 10 to 20 mph with gusts to around 30 mph.
	Lo: 29°F
	Hi: 50°F	Friday: Mostly clear. High around 50. Low in the lower 30s.
	Lo: 31°F
	Hi: 50°F	Saturday: Mostly clear. High around 50. Low in the lower 30s.
	Lo: 31°F
	Hi: 50°F	Saturday: Mostly clear. High around 50. Low in the lower 30s.
	Lo: 31°F
	Hi: 45°F	Sunday: Partly cloudy. Low in the lower 30s. High in the mid 40s.
	Lo: 29°F

Moon, Sunrise and Sunset

	Moon Phase: Waxing Gibbous Moon	Civil Twilight: 6:41 AM CST	Sunrise: 7:11 AM CST
		Sunset: 4:49 PM CST	Civil Twilight: 5:19 PM CST

Normal Climate

Normal Temperatures

(CORYDON 8 W Weather station, 6.74 miles from Allerton)

Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Max °F	29.8	35.5	48.2	60.9	71.5	80.8	85.4	83.1	76.0	64.3	47.8	33.8	59.8
Mean °F	20.5	26.1	37.8	49.9	60.9	70.2	75.1	72.4	64.3	52.2	38.0	25.0	49.4
Min °F	11.1	16.6	27.3	38.9	50.2	59.6	64.7	61.7	52.6	40.0	28.1	16.2	38.9

Normal Precipitation