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Ames, IA Weather


Ames, 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 9.60 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 18 degrees Fahrenheit.

The annual average precipitation at Ames is 33.95 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is June with an average rainfall of 4.76 Inches.

Weather Data

Current Conditions

(Updated: 2:53 AM CST WED NOV 25 2009)

Overcast Overcast, 42°F Humidity: 92% Dewpoint: 40°F
Wind Speed: NW 12.7 MPH (11 KT) Heat Index: 42°F
Barometer: 29.87 in. Wind Chill: 35°F

Weather Forecast

(Generated: 4:03 PM CST TUE NOV 24 2009)
  Tonight: Cloudy. Rain likely through midnight...Then a slight chance of rain after midnight. Low in the mid 30s. Northwest wind 10 to 15 mph. Chance of rain 70 percent.
Lo: 35°F
Hi: 41°F Wednesday: Cloudy. Isolated light rain showers and light snow showers in the morning...Then scattered light rain showers and light snow showers in the afternoon. Breezy. High in the lower 40s. Temperature steady or slowly falling in the afternoon. Northwest wind 15 to 25 mph. Chance of precipitation 50 percent.
Lo: 29°F
Hi: 39°F Thanksgiving day: Partly sunny. Breezy. High in the upper 30s. Northwest wind 10 to 20 mph with gusts to around 30 mph.
Lo: 25°F
Hi: 49°F Friday: Mostly clear. High in the upper 40s. Low in the upper 20s.
Lo: 29°F
Hi: 49°F Saturday: Mostly clear. High in the upper 40s. Low in the upper 20s.
Lo: 29°F
Hi: 49°F Saturday: Mostly clear. High in the upper 40s. Low in the upper 20s.
Lo: 31°F
Hi: 41°F Sunday: Mostly cloudy with a 20 percent chance of light rain. High in the lower 40s.
Lo: 29°F

Moon, Sunrise and Sunset

Waxing Gibbous Moon Moon Phase: Waxing Gibbous Moon Civil Twilight:
6:44 AM CST
Sunrise:
7:15 AM CST
Sunset:
4:46 PM CST
Civil Twilight:
5:17 PM CST

Normal Climate

Normal Temperatures

(AMES 8 WSW Weather station, 7.78 miles from Ames)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Max °F 27.4 33.6 46.8 61.5 72.7 81.6 84.3 82.1 76.2 63.9 45.2 31.2 58.9
Mean °F 18.5 24.8 37.1 49.8 61.3 70.4 73.8 71.5 64.2 52.2 36.3 23.1 48.6
Min °F 9.6 16.0 27.3 38.1 49.8 59.2 63.2 60.8 52.2 40.5 27.3 14.9 38.2

Normal Precipitation

(AMES 5 SE Weather station, 5.15 miles from Ames)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Inch 0.89 0.94 2.33 3.10 4.19 4.76 4.43 4.55 3.00 2.37 2.29 1.10 33.95