Weather on January 21
Chattanooga, TN
55 Years of Data
Avg High
49°F
Avg Low
29°F
Warmest
1999
60°F avg
Coldest
1985
4°F avg
About This Date
January 21st in Chattanooga, TN typically brings chilly winter weather, with average highs around 49°F and lows near 29°F. Over 56 years of records, the warmest January 21st was in 1999 (60°F average), while the coldest was 1985 (4°F) — a 56°F range across recorded history. Precipitation has occurred on 39% of recorded January 21st dates, with snow falling 4% of the time. The last decade has been 5.4°F cooler on this date compared to 20-30 years ago.
The last decade has been 5.4°F cooler on this date compared to 20-30 years ago.
Planning for January 21st in Chattanooga, TN? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 55° | 20° | 37° | 0.23" | — |
| 2025 | 26° | 17° | 22° | — | — |
| 2024 | 34° | 13° | 24° | — | — |
| 2023 | 51° | 34° | 42° | — | — |
| 2022 | 34° | 28° | 31° | — | — |
| 2021 | 50° | 41° | 46° | 0.86" | — |
| 2020 | 38° | 25° | 32° | — | — |
| 2019 | 34° | 19° | 27° | — | — |
| 2018 | 69° | 30° | 50° | — | — |
| 2017 | 66° | 50° | 58° | 0.81" | — |
| 2016 | 37° | 34° | 35° | 0.86" | — |
| 2015 | 62° | 34° | 48° | — | — |
| 2014 | 52° | 21° | 37° | 0.03" | — |
| 2013 | 50° | 29° | 39° | — | — |
| 2012 | 65° | 45° | 55° | 1.12" | — |
| 2011 | 36° | 24° | 30° | — | — |
| 2010 | 63° | 46° | 54° | 1.6" | — |
| 2009 | 39° | 16° | 27° | — | — |
| 2008 | 43° | 17° | 30° | — | — |
| 2007 | 48° | 41° | 45° | 2.39" | — |
| 2006 | 62° | 48° | 55° | 2.79" | — |
| 2005 | 62° | 38° | 50° | — | — |
| 2004 | 49° | 24° | 36° | — | — |
| 2003 | 58° | 36° | 47° | 0.51" | — |
| 2002 | 60° | 34° | 47° | 0.56" | — |
| 2001 | 41° | 22° | 31° | — | — |
| 2000 | 37° | 20° | 28° | — | — |
| 1999warmest | 73° | 47° | 60° | 0.08" | — |
| 1998 | 50° | 29° | 39° | 0.03" | — |
| 1997 | 68° | 28° | 48° | — | — |
| 1996 | 44° | 26° | 35° | — | — |
| 1995 | 44° | 31° | 37° | — | — |
| 1994 | 40° | 18° | 29° | — | — |
| 1993 | 49° | 43° | 46° | 1.32" | — |
| 1992 | 61° | 24° | 42° | — | — |
| 1991 | 40° | 23° | 31° | — | — |
| 1990 | 58° | 35° | 46° | — | — |
| 1989 | 48° | 29° | 38° | — | — |
| 1988 | 47° | 32° | 39° | — | — |
| 1987 | 38° | 32° | 35° | 0.1" | 0.4" |
| 1986 | 67° | 27° | 47° | — | — |
| 1985coldest | 17° | -10° | 4° | — | — |
| 1984 | 29° | 8° | 18° | — | — |
| 1983 | 38° | 32° | 35° | 2.16" | — |
| 1982 | 65° | 50° | 57° | 2.03" | — |
| 1981 | 46° | 39° | 43° | 0.36" | — |
| 1980 | 46° | 36° | 41° | — | — |
| 1979 | 43° | 31° | 37° | 1.12" | 0.4" |
| 1978 | 34° | 26° | 30° | — | — |
| 1977 | 38° | 10° | 24° | — | — |
| 1976 | 47° | 21° | 34° | — | — |
| 1975 | 50° | 25° | 37° | — | — |
| 1974 | 67° | 43° | 55° | — | — |
| 1973 | 53° | 34° | 43° | 2.26" | — |
| 1972 | 61° | 50° | 55° | 1.02" | — |
| 1971 | 52° | 18° | 35° | 0.05" | — |
56 years of data from CHATTANOOGA AP