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Des Moines, IA Weather


Des Moines, 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 86.00 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 11.70 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 18 degrees Fahrenheit.

The annual average precipitation at Des Moines is 34.72 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is June with an average rainfall of 4.57 Inches.

Weather Data

Current Conditions

(Updated: 4:54 PM CDT SAT JUL 4 2009)

Overcast Overcast, 68°F Humidity: 81% Dewpoint: 62°F
Wind Speed: NE 9.2 MPH G 17.3 (8 MPH G 15 KT) Heat Index: 68°F
Barometer: 29.92 in. Wind Chill: 68°F

Weather Forecast

(Generated: 3:41 PM CDT SAT JUL 04 2009)
  Tonight: Cloudy with isolated light showers early in the evening... Then partly cloudy in the late evening and overnight. Patchy fog after midnight. Low in the upper 50s. North wind 5 to 10 mph. Chance of showers 20 percent.
Lo: 59°F
Hi: 81°F Sunday: Partly sunny. High in the lower 80s. Northwest wind around 5 mph.
Lo: 61°F
Hi: 85°F Monday: Partly sunny. High in the mid 80s. West wind around 5 mph.
Lo: 65°F
Hi: 89°F Tuesday: Partly cloudy. High 86 to 91. Low in the upper 60s.
Lo: 69°F
Hi: 89°F Wednesday: Partly cloudy. High 86 to 91. Low in the upper 60s.
Lo: 69°F
Hi: 89°F Thursday: Partly cloudy. High 86 to 91. Low in the upper 60s.
Lo: 69°F
Hi: 89°F Thursday: Partly cloudy. High 86 to 91. Low in the upper 60s.
Lo: 69°F

Moon, Sunrise and Sunset

Waxing Gibbous Moon Moon Phase: Waxing Gibbous Moon Civil Twilight:
5:11 AM CDT
Sunrise:
5:45 AM CDT
Sunset:
8:51 PM CDT
Civil Twilight:
9:25 PM CDT

Normal Climate

Normal Temperatures

(DES MOINES AP Weather station, 5.81 miles from Des Moines)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Max °F 29.1 35.4 48.2 61.3 72.3 81.8 86.0 83.9 75.9 63.5 46.7 33.1 59.8
Mean °F 20.4 26.6 38.4 50.6 61.9 71.4 76.1 73.9 65.1 52.8 37.9 24.9 50.0
Min °F 11.7 17.8 28.7 39.9 51.4 61.0 66.1 63.9 54.3 42.2 29.0 16.7 40.2

Normal Precipitation

(DES MOINES AP Weather station, 5.81 miles from Des Moines)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Inch 1.03 1.19 2.21 3.58 4.25 4.57 4.18 4.51 3.15 2.62 2.10 1.33 34.72