Weather on February 21

Des Moines, IA

55 Years of Data

Avg High
40°F
Avg Low
20°F
Warmest
2024
52°F avg
Coldest
2008
-1°F avg

About This Date

February 21st in Des Moines, IA typically brings chilly winter weather, with average highs around 40°F and lows near 20°F. Over 56 years of records, the warmest February 21st was in 2024 (52°F average), while the coldest was 2008 (-1°F) — a 53°F range across recorded history. Precipitation has occurred on 20% of recorded February 21st dates, with snow falling 5% of the time (heaviest snowfall: 6"). The last decade has been 3.4°F cooler on this date compared to 20-30 years ago.

The last decade has been 3.4°F cooler on this date compared to 20-30 years ago.

Planning for February 21st in Des Moines, IA? Bring layers as temperatures can vary throughout the day.

Cooling Trend
1.2°F per decade on this date
YearHighLowAvgPrecipSnow
202623°14°19°
202520°-5°
2024warmest63°42°52°
202339°19°29°
202259°32°46°
202131°12°21°
202022°11°
201935°22°
201824°11°17°
201760°33°47°0.3"
201652°30°41°
201536°16°26°
201434°18°26°1.37"1"
201322°11°
201247°29°38°0.43"
201143°27°35°
201031°17°24°
200937°12°25°0.03"
2008coldest-12°-1°
200747°30°38°
200641°13°27°
200541°26°34°
200436°31°33°
200352°30°41°
200245°22°33°
200124°12°
200047°19°33°
199931°19°
199841°33°37°
199746°31°38°
199650°29°39°
199549°24°36°
199431°20°25°
199328°24°26°0.64"2"
199250°23°37°
199157°29°43°
199035°19°
198926°16°21°
198843°10°26°
198751°25°38°
198626°16°
198549°37°43°1.91"
198456°21°38°
198350°32°41°
198248°28°38°
198158°39°48°0.25"
198038°34°36°0.18"
197935°23°29°
197822°-5°0.05"
197735°12°24°
197652°22°37°4.04"6"
197542°18°30°
197448°35°42°0.05"
197344°22°33°
197245°20°32°
197130°24°27°
56 years of data from ANKENY

Browse Weather History

Weather data provided by NOAA Climate Data Online. Not for critical planning.

February 21st Weather in Des Moines, IA - 55 Years of History