Weather on December 21
Cedar Rapids, IA
55 Years of Data
Avg High
31°F
Avg Low
16°F
Warmest
2015
42°F avg
Coldest
1989
-10°F avg
About This Date
December 21st in Cedar Rapids, IA typically brings very cold winter weather, with average highs around 31°F and lows near 16°F. Over 55 years of records, the warmest December 21st was in 2015 (42°F average), while the coldest was 1989 (-10°F) — a 52°F range across recorded history. Precipitation has occurred on 24% of recorded December 21st dates, with snow falling 13% of the time (heaviest snowfall: 1.5"). The last decade has been 7.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 7.0°F warmer on this date compared to 20-30 years ago.
Planning for December 21st in Cedar Rapids, IA? Bundle up with warm layers and protect extremities from the cold.
Warming Trend
1.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 34° | 12° | 23° | — | — |
| 2024 | 30° | 11° | 20° | — | — |
| 2023 | 42° | 35° | 39° | — | — |
| 2022 | 20° | -1° | 10° | — | — |
| 2021 | 36° | 14° | 25° | — | — |
| 2020 | 44° | 32° | 38° | — | — |
| 2019 | 49° | 22° | 35° | — | — |
| 2018 | 36° | 26° | 31° | — | — |
| 2017 | 34° | 26° | 30° | — | — |
| 2016 | 38° | 18° | 28° | — | — |
| 2015warmest | 49° | 35° | 42° | 0.69" | — |
| 2014 | 39° | 31° | 35° | 0.08" | — |
| 2013 | 26° | 23° | 25° | — | — |
| 2012 | 25° | 10° | 17° | — | — |
| 2011 | 41° | 27° | 34° | 0.1" | — |
| 2010 | 36° | 22° | 29° | — | — |
| 2009 | 25° | 22° | 23° | — | — |
| 2008 | 10° | -8° | 1° | — | — |
| 2007 | 36° | 33° | 34° | — | — |
| 2006 | 42° | 34° | 38° | 3.45" | — |
| 2005 | 26° | 2° | 14° | — | — |
| 2004 | 30° | 12° | 21° | 0.05" | 0.3" |
| 2003 | 48° | 27° | 37° | — | — |
| 2002 | 36° | 28° | 32° | — | — |
| 2001 | 42° | 20° | 31° | — | — |
| 2000 | 15° | -4° | 6° | 0.1" | 0.6" |
| 1999 | 9° | -8° | 1° | — | — |
| 1998 | 25° | 7° | 16° | — | — |
| 1997 | 33° | 18° | 25° | — | — |
| 1996 | 38° | 15° | 26° | — | — |
| 1995 | 24° | 14° | 19° | — | — |
| 1994 | 44° | 33° | 39° | — | — |
| 1993 | 28° | 19° | 24° | — | — |
| 1992 | 36° | 22° | 29° | — | — |
| 1991 | 36° | 24° | 30° | 0.03" | — |
| 1990 | 17° | 2° | 9° | 0.03" | 0.1" |
| 1989coldest | 1° | -21° | -10° | — | — |
| 1988 | 36° | 18° | 27° | — | — |
| 1987 | 40° | 23° | 31° | — | — |
| 1986 | 39° | 17° | 28° | — | — |
| 1985 | 11° | -17° | -3° | — | — |
| 1984 | 40° | 23° | 31° | 0.66" | — |
| 1983 | 20° | 6° | 13° | 0.2" | 1.5" |
| 1982 | 39° | 17° | 28° | — | — |
| 1981 | 34° | 23° | 28° | 0.25" | 1" |
| 1980 | 20° | 11° | 15° | — | — |
| 1979 | 49° | 26° | 37° | — | — |
| 1978 | 32° | 11° | 21° | — | — |
| 1977 | 21° | 16° | 18° | 0.23" | 1" |
| 1976 | 17° | -3° | 7° | — | — |
| 1975 | 33° | 9° | 21° | — | — |
| 1974 | 26° | 10° | 18° | 0.05" | 0.5" |
| 1973 | 19° | -7° | 6° | — | — |
| 1972 | 31° | 23° | 27° | — | — |
| 1971 | 36° | 25° | 30° | — | — |
55 years of data from CEDAR RAPIDS #1