Historical Weather in Iowa
See 55+ years of weather history for any date in Iowa going back to 1970.
Look Up a Specific Date
Monthly Climate Averages
Historical temperature and precipitation averages for Des Moines, IA, based on 55+ years of weather data.
Warmest MonthJulyAvg High: 86°F / Low: 65°F
Coldest MonthJanuaryAvg High: 30°F / Low: 12°F
Jan
30°/ 12°
💧 3.5"
❄️ 1.4"
Feb
35°/ 16°
💧 4.1"
❄️ 1.6"
Mar
48°/ 28°
💧 6.4"
❄️ 1.5"
Apr
62°/ 40°
💧 8.6"
❄️ 1.7"
May
73°/ 51°
💧 9.5"
❄️ 2.0"
Jun
82°/ 61°
💧 11.6"
❄️ 0.1"
Jul
86°/ 65°
💧 11.2"
Aug
84°/ 63°
💧 11.4"
Sep
77°/ 54°
💧 10.1"
Oct
64°/ 42°
💧 8.4"
❄️ 1.7"
Nov
48°/ 29°
💧 6.5"
❄️ 1.5"
Dec
34°/ 17°
💧 4.7"
❄️ 1.4"
Temperatures in Fahrenheit. Precipitation and snowfall in inches.
Climate data based on Des Moines, the largest city in Iowa.
Iowa All-Time Temperature RecordsSee the hottest and coldest days ever recorded since 1970
→Major Cities in Iowa
Today's Weather History in Iowa
See how today compares to 55+ years of weather data for Iowa cities.