Weather on October 20
Des Moines, IA
55 Years of Data
Avg High
61°F
Avg Low
39°F
Warmest
1979
74°F avg
Coldest
1972
30°F avg
About This Date
October 20th in Des Moines, IA typically brings mild fall weather, with average highs around 61°F and lows near 39°F. Over 55 years of records, the warmest October 20th was in 1979 (74°F average), while the coldest was 1972 (30°F) — a 44°F range across recorded history. Precipitation has occurred on 18% of recorded October 20th dates, with snow falling 4% of the time (heaviest snowfall: 7"). The last decade has been 4.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.5°F warmer on this date compared to 20-30 years ago.
Planning for October 20th in Des Moines, IA? Great weather for outdoor activities.
Warming Trend
1.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 67° | 47° | 57° | — | — |
| 2024 | 81° | 53° | 67° | — | — |
| 2023 | 75° | 44° | 60° | — | — |
| 2022 | 68° | 36° | 52° | — | — |
| 2021 | 70° | 46° | 58° | 0.03" | — |
| 2020 | 34° | 29° | 31° | 0.76" | 7" |
| 2019 | 62° | 40° | 51° | 0.2" | — |
| 2018 | 51° | 33° | 42° | — | — |
| 2017 | 76° | 49° | 62° | — | — |
| 2016 | 71° | 40° | 55° | — | — |
| 2015 | 78° | 56° | 67° | — | — |
| 2014 | 67° | 39° | 53° | — | — |
| 2013 | 56° | 34° | 45° | — | — |
| 2012 | 49° | 43° | 46° | 0.03" | — |
| 2011 | 48° | 33° | 41° | — | — |
| 2010 | 66° | 33° | 50° | — | — |
| 2009 | 72° | 47° | 59° | — | — |
| 2008 | 72° | 48° | 60° | — | — |
| 2007 | 63° | 40° | 51° | — | — |
| 2006 | 48° | 34° | 41° | — | — |
| 2005 | 62° | 45° | 53° | — | — |
| 2004 | 51° | 45° | 48° | 0.03" | — |
| 2003 | 87° | 41° | 64° | — | — |
| 2002 | 46° | 23° | 35° | — | — |
| 2001 | 63° | 34° | 48° | — | — |
| 2000 | 82° | 51° | 67° | — | — |
| 1999 | 49° | 14° | 31° | — | — |
| 1998 | 62° | 34° | 48° | — | — |
| 1997 | 58° | 33° | 45° | — | — |
| 1996 | 66° | 35° | 51° | — | — |
| 1995 | 63° | 42° | 52° | — | — |
| 1994 | 66° | 39° | 53° | — | — |
| 1993 | 57° | 48° | 53° | — | — |
| 1992 | 41° | 31° | 36° | — | — |
| 1991 | 48° | 21° | 35° | — | — |
| 1990 | 61° | 32° | 46° | 0.05" | — |
| 1989 | 42° | 26° | 34° | — | — |
| 1988 | 48° | 41° | 45° | 0.33" | — |
| 1987 | 46° | 33° | 40° | — | — |
| 1986 | 76° | 53° | 64° | — | — |
| 1985 | 53° | 50° | 52° | 0.03" | — |
| 1984 | 59° | 42° | 51° | — | — |
| 1983 | 48° | 43° | 45° | 0.48" | — |
| 1982 | 44° | 32° | 38° | 0.43" | 0.5" |
| 1981 | 67° | 47° | 57° | — | — |
| 1980 | 68° | 44° | 56° | — | — |
| 1979warmest | 84° | 64° | 74° | — | — |
| 1978 | 81° | 41° | 61° | — | — |
| 1977 | 65° | 37° | 51° | — | — |
| 1976 | 40° | 25° | 32° | — | — |
| 1975 | 66° | 34° | 50° | — | — |
| 1974 | 62° | 29° | 45° | — | — |
| 1973 | 71° | 39° | 55° | — | — |
| 1972coldest | 42° | 17° | 30° | — | — |
| 1971 | 74° | 50° | 62° | — | — |
55 years of data from ANKENY