Blairstown, IA Weather

Blairstown, 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 84.30 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 7.90 degrees Fahrenheit.

Temperature variations between night and day tend to be moderate during summer with a difference that can reach 21 degrees Fahrenheit, and moderate during winter with an average difference of 20 degrees Fahrenheit.

The annual average precipitation at Blairstown is 35.81 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is August with an average rainfall of 4.71 Inches.

Weather Data

Current Conditions

(Updated: 8:52 PM CST TUE NOV 24 2009)

Light Rain, 45°F	Humidity: 97%	Dewpoint: 44°F
	Wind Speed: N 10.4 MPH (9 KT)	Heat Index: 45°F
	Barometer: 29.73 in.	Wind Chill: 40°F

Moon, Sunrise and Sunset

	Moon Phase: Waxing Gibbous Moon	Civil Twilight: 6:37 AM CST	Sunrise: 7:08 AM CST
		Sunset: 4:41 PM CST	Civil Twilight: 5:11 PM CST

Normal Climate

Normal Temperatures

(BELLE PLAINE Weather station, 11.29 miles from Blairstown)

Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Max °F	27.1	33.3	45.9	59.9	71.4	80.6	84.3	82.4	74.6	62.9	45.4	31.5	58.3
Mean °F	17.5	23.4	35.8	48.7	60.2	69.7	73.7	71.6	62.9	51.0	35.8	22.8	47.8
Min °F	7.9	13.5	25.6	37.4	49.0	58.7	63.1	60.8	51.1	39.1	26.2	14.1	37.2

Normal Precipitation