Weather on December 21
Davenport, IA
55 Years of Data
Avg High
33°F
Avg Low
19°F
Warmest
2015
43°F avg
Coldest
1989
-12°F avg
About This Date
December 21st in Davenport, IA typically brings cold winter weather, with average highs around 33°F and lows near 19°F. Over 55 years of records, the warmest December 21st was in 2015 (43°F average), while the coldest was 1989 (-12°F) — a 55°F range across recorded history. Precipitation has occurred on 35% of recorded December 21st dates, with snow falling 5% of the time (heaviest snowfall: 4.7"). The last decade has been 3.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.7°F warmer on this date compared to 20-30 years ago.
Planning for December 21st in Davenport, IA? Bundle up with warm layers and protect extremities from the cold. Consider bringing rain gear or an umbrella.
Warming Trend
1.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 37° | 15° | 26° | — | — |
| 2024 | 30° | 15° | 23° | — | — |
| 2023 | 44° | 36° | 40° | — | — |
| 2022 | 25° | 6° | 15° | — | — |
| 2021 | 38° | 20° | 29° | — | — |
| 2020 | 44° | 30° | 37° | — | — |
| 2019 | 49° | 29° | 39° | — | — |
| 2018 | 34° | 28° | 31° | — | — |
| 2017 | 36° | 29° | 32° | 0.05" | — |
| 2016 | 39° | 20° | 29° | — | — |
| 2015warmest | 50° | 36° | 43° | 2.34" | — |
| 2014 | 39° | 28° | 34° | 0.03" | — |
| 2013 | 29° | 25° | 27° | 0.05" | — |
| 2012 | 38° | 13° | 25° | — | — |
| 2011 | 38° | 33° | 35° | 0.03" | — |
| 2010 | 35° | 18° | 26° | 0.25" | — |
| 2009 | 28° | 26° | 27° | 0.05" | — |
| 2008 | 1° | -5° | -2° | 0.3" | — |
| 2007 | 38° | 32° | 35° | 0.08" | — |
| 2006 | 46° | 36° | 41° | 4.06" | — |
| 2005 | 32° | 10° | 21° | — | — |
| 2004 | 32° | 14° | 23° | — | — |
| 2003 | 51° | 33° | 42° | — | — |
| 2002 | 38° | 27° | 32° | 0.03" | — |
| 2001 | 45° | 26° | 35° | — | — |
| 2000 | 18° | -3° | 8° | 0.76" | — |
| 1999 | 15° | — | — | — | — |
| 1998 | 26° | 7° | 16° | — | — |
| 1997 | 35° | 26° | 31° | — | — |
| 1996 | 38° | 22° | 30° | — | — |
| 1995 | 26° | 18° | 22° | — | — |
| 1994 | 51° | 24° | 38° | — | — |
| 1993 | 33° | 23° | 28° | — | — |
| 1992 | 37° | 25° | 31° | — | — |
| 1991 | 40° | 27° | 33° | 0.53" | — |
| 1990 | 19° | 5° | 12° | — | — |
| 1989coldest | -6° | -18° | -12° | 0.23" | 1" |
| 1988 | 35° | 22° | 28° | — | — |
| 1987 | 38° | 22° | 30° | — | — |
| 1986 | 39° | 18° | 28° | — | — |
| 1985 | 22° | -7° | 7° | — | — |
| 1984 | 50° | 31° | 40° | 0.64" | — |
| 1983 | 21° | 3° | 12° | 0.97" | 4.7" |
| 1982 | 40° | 20° | 30° | — | — |
| 1981 | 35° | 26° | 31° | 0.3" | — |
| 1980 | 23° | 11° | 17° | — | — |
| 1979 | 48° | 28° | 38° | — | — |
| 1978 | 33° | 14° | 24° | — | — |
| 1977 | 23° | 15° | 19° | 0.48" | 1.9" |
| 1976 | 18° | 1° | 9° | — | — |
| 1975 | 36° | 18° | 27° | — | — |
| 1974 | 30° | 15° | 23° | 0.1" | — |
| 1973 | 23° | -3° | 10° | — | — |
| 1972 | 34° | 26° | 30° | — | — |
| 1971 | 37° | 27° | 32° | — | — |
55 years of data from DAVENPORT L&D 15