Historical Weather in Des Moines, IA
See 55+ years of weather history for any date in Des Moines going back to 1970.
Part of Iowa weather history · Iowa temperature records
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Monthly Climate Averages
Historical temperature and precipitation averages for Des Moines, IA, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.
Des Moines, IA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Des Moines, IA Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Des Moines, IA Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Growing Season & Frost in Des Moines, IA
Based on the dates the average overnight low reaches freezing (32°F / 0°C), from 50+ years of NOAA station data.
Hours of Daylight in Des Moines, IA
Day length across the year at 41.7°N latitude. Computed from solar geometry.
Best Time to Visit Des Moines, IA
Des Moines, IA has no months that meet our "pleasant" threshold — every season has tradeoffs.
Des Moines Temperature Records
- Record High: The hottest temperature ever recorded in Des Moines, IA is 108°F, set on August 16, 1983.
- Record Low: The coldest temperature ever recorded in Des Moines, IA is -34°F, set on February 3, 1996.
- Data Coverage: Based on 52 years of data from NOAA weather station: ANKENY.
All-Time Record High
All-Time Record Low
Monthly Temperature Records in Des Moines
| Month | Record High | Record Low |
|---|---|---|
| January | 67°F(2002) | -33°F(2009) |
| February | 78°F(2024) | -34°F(1996) |
| March | 91°F(1986) | -14°F(2014) |
| April | 94°F(2010) | 8°F(1982) |
| May | 99°F(2011) | 25°F(2005) |
| June | 103°F(1988) | 40°F(1982) |
| July | 106°F(2012) | 42°F(2002) |
| August | 108°F(1983) | 41°F(1986) |
| September | 101°F(2013) | 22°F(1999) |
| October | 95°F(1997) | 5°F(1999) |
| November | 81°F(1999) | -7°F(1991) |
| December | 75°F(2021) | -25°F(1989) |