Weather on December 21
Cary, NC
55 Years of Data
Avg High
50°F
Avg Low
32°F
Warmest
1984
62°F avg
Coldest
1981
24°F avg
About This Date
December 21st in Cary, NC typically brings cool winter weather, with average highs around 50°F and lows near 32°F. Over 55 years of records, the warmest December 21st was in 1984 (62°F average), while the coldest was 1981 (24°F) — a 38°F range across recorded history. Rain or other precipitation has occurred on about 33% of December 21st dates historically, with the wettest December 21st recording 3.76" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for December 21st in Cary, NC? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Cooling Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 53° | 30° | 42° | — | — |
| 2024 | 49° | 35° | 42° | — | — |
| 2023 | 45° | 25° | 35° | — | — |
| 2022 | 37° | 28° | 33° | — | — |
| 2021 | 42° | 28° | 35° | — | — |
| 2020 | 44° | 36° | 40° | 0.81" | — |
| 2019 | 53° | 25° | 39° | — | — |
| 2018 | 64° | 46° | 55° | 1.32" | — |
| 2017 | 53° | 39° | 46° | 1.32" | — |
| 2016 | 42° | 28° | 35° | — | — |
| 2015 | 52° | 27° | 39° | — | — |
| 2014 | 37° | 33° | 35° | 0.1" | — |
| 2013 | 65° | 46° | 55° | — | — |
| 2012 | 61° | 39° | 50° | 1.24" | — |
| 2011 | 63° | 42° | 52° | 0.05" | — |
| 2010 | 40° | 24° | 32° | — | — |
| 2009 | 45° | 27° | 36° | — | — |
| 2008 | 60° | 48° | 54° | 2.41" | — |
| 2007 | 56° | 31° | 43° | — | — |
| 2006 | 51° | 32° | 42° | — | — |
| 2005 | 46° | 25° | 35° | — | — |
| 2004 | 46° | 12° | 29° | — | — |
| 2003 | 40° | 23° | 31° | — | — |
| 2002 | 65° | 35° | 50° | 0.51" | — |
| 2001 | 51° | 32° | 42° | — | — |
| 2000 | 43° | 18° | 30° | — | — |
| 1999 | 47° | 46° | 46° | 0.13" | — |
| 1998 | 58° | 48° | 53° | — | — |
| 1997 | 66° | 37° | 52° | — | — |
| 1996 | 35° | 17° | 26° | — | — |
| 1995 | 43° | 22° | 32° | — | — |
| 1994 | 53° | 27° | 40° | — | — |
| 1993 | 47° | 33° | 40° | 1.63" | — |
| 1992 | 57° | 37° | 47° | 0.97" | — |
| 1991 | 46° | 22° | 34° | — | — |
| 1990 | 49° | 41° | 45° | 3.76" | — |
| 1989 | 34° | 23° | 28° | — | — |
| 1988 | 58° | 36° | 47° | — | — |
| 1987 | 65° | 53° | 59° | — | — |
| 1986 | 51° | 29° | 40° | — | — |
| 1985 | 36° | 23° | 29° | — | — |
| 1984warmest | 68° | 56° | 62° | — | — |
| 1983 | 38° | 24° | 31° | — | — |
| 1982 | 50° | 33° | 42° | — | — |
| 1981coldest | 33° | 14° | 24° | — | — |
| 1980 | 38° | 13° | 25° | — | — |
| 1979 | 42° | 28° | 35° | — | — |
| 1978 | 63° | 40° | 51° | 0.38" | — |
| 1977 | 45° | 39° | 42° | 1.52" | — |
| 1976 | 52° | 26° | 39° | 0.84" | — |
| 1975 | 44° | 26° | 35° | — | — |
| 1974 | 48° | 42° | 45° | 1.12" | — |
| 1973 | 62° | 37° | 50° | 1.78" | — |
| 1972 | 66° | 46° | 56° | — | — |
| 1971 | 61° | 53° | 57° | 0.76" | — |
55 years of data from CARY