Weather on December 21
Cary, NC
55 Years of Data
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.
| 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" | — |
Cary, NC Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Cary, NC Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Cary, NC Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Cary, NC
Cary, NC has no months that meet our "pleasant" threshold — every season has tradeoffs.