Weather on December 21
Clarksville, TN
55 Years of Data
Avg High
49°F
Avg Low
29°F
Warmest
2013
68°F avg
Coldest
1989
6°F avg
About This Date
December 21st in Clarksville, TN typically brings chilly winter weather, with average highs around 49°F and lows near 29°F. Over 55 years of records, the warmest December 21st was in 2013 (68°F average), while the coldest was 1989 (6°F) — a 62°F range across recorded history. Rain or other precipitation has occurred on about 40% of December 21st dates historically, with the wettest December 21st recording 8.74" of rain. The last decade has been 3.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.4°F warmer on this date compared to 20-30 years ago.
Planning for December 21st in Clarksville, TN? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Warming Trend
1.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 56° | 29° | 42° | — | — |
| 2024 | 43° | 23° | 33° | — | — |
| 2023 | 54° | 31° | 42° | — | — |
| 2022 | 54° | 24° | 39° | — | — |
| 2021 | 54° | 31° | 42° | — | — |
| 2020 | 61° | 32° | 46° | — | — |
| 2019 | 52° | 38° | 45° | — | — |
| 2018 | 40° | 29° | 34° | 0.08" | — |
| 2017 | 57° | 44° | 51° | 0.03" | — |
| 2016 | 53° | 22° | 37° | — | — |
| 2015 | 59° | 48° | 54° | 2.39" | — |
| 2014 | 54° | 23° | 38° | — | — |
| 2013warmest | 76° | 61° | 68° | 3.68" | — |
| 2012 | 42° | 26° | 34° | 0.03" | — |
| 2011 | 62° | 39° | 51° | 1.96" | — |
| 2010 | 50° | 42° | 46° | 0.13" | — |
| 2009 | 39° | 26° | 33° | — | — |
| 2008 | 36° | 12° | 24° | — | — |
| 2007 | 58° | 44° | 51° | — | — |
| 2006 | 60° | 54° | 57° | 0.53" | — |
| 2005 | 38° | 18° | 28° | — | — |
| 2004 | 50° | 37° | 44° | 0.46" | — |
| 2003 | 57° | 25° | 41° | — | — |
| 2002 | 56° | 32° | 44° | 0.05" | — |
| 2001 | 57° | 27° | 42° | — | — |
| 2000 | 34° | 12° | 23° | 0.03" | — |
| 1999 | 32° | 23° | 28° | — | — |
| 1998 | 70° | 30° | 50° | 2.79" | — |
| 1997 | 53° | 32° | 43° | 0.91" | — |
| 1996 | 48° | 19° | 34° | — | — |
| 1995 | 30° | 25° | 27° | — | — |
| 1994 | 59° | 30° | 45° | — | — |
| 1993 | 42° | 27° | 34° | — | — |
| 1992 | 45° | 25° | 35° | 1.02" | — |
| 1991 | 50° | 42° | 46° | 0.74" | — |
| 1990 | 62° | 56° | 59° | 8.74" | — |
| 1989coldest | 17° | -5° | 6° | — | — |
| 1988 | 58° | 34° | 46° | 3.33" | — |
| 1987 | 45° | 25° | 35° | — | — |
| 1986 | 46° | 22° | 34° | — | — |
| 1985 | 30° | 8° | 19° | — | — |
| 1984 | 67° | 33° | 50° | — | — |
| 1983 | 43° | 21° | 32° | 3.68" | — |
| 1982 | 45° | — | — | — | — |
| 1981 | 32° | 13° | 22° | 1.4" | — |
| 1980 | 24° | 11° | 17° | — | — |
| 1979 | 61° | 28° | 44° | — | — |
| 1978 | 67° | 32° | 49° | 2.41" | — |
| 1977 | 35° | 27° | 31° | — | — |
| 1976 | 36° | 13° | 24° | — | — |
| 1975 | 49° | 31° | 40° | 0.03" | — |
| 1974 | 52° | 26° | 39° | — | — |
| 1973 | 30° | 9° | 19° | — | — |
| 1972 | 50° | 35° | 43° | 0.18" | — |
| 1971 | 65° | 38° | 51° | — | — |
55 years of data from CLARKSVILLE WWTP