Weather on April 20
Chattanooga, TN
55 Years of Data
Avg High
75°F
Avg Low
51°F
Warmest
2002
79°F avg
Coldest
1983
42°F avg
About This Date
April 20th in Chattanooga, TN typically brings pleasant spring weather, with average highs around 75°F and lows near 51°F. Over 55 years of records, the warmest April 20th was in 2002 (79°F average), while the coldest was 1983 (42°F) — a 37°F range across recorded history. Rain or other precipitation has occurred on about 35% of April 20th dates historically, with the wettest April 20th recording 3.66" of rain. The last decade has been 1.0°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.0°F cooler on this date compared to 20-30 years ago.
Planning for April 20th in Chattanooga, TN? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 85° | 61° | 73° | — | — |
| 2024 | 71° | 60° | 66° | — | — |
| 2023 | 86° | 50° | 68° | — | — |
| 2022 | 72° | 39° | 55° | — | — |
| 2021 | 76° | 46° | 61° | — | — |
| 2020 | 75° | 53° | 64° | 2.31" | — |
| 2019 | 51° | 43° | 47° | 0.05" | — |
| 2018 | 69° | 42° | 56° | — | — |
| 2017 | 82° | 64° | 73° | 0.69" | — |
| 2016 | 85° | 56° | 70° | — | — |
| 2015 | 74° | 56° | 65° | 0.36" | — |
| 2014 | 79° | 44° | 61° | — | — |
| 2013 | 65° | 37° | 51° | — | — |
| 2012 | 73° | 56° | 64° | — | — |
| 2011 | 79° | 62° | 70° | 1.8" | — |
| 2010 | 65° | 54° | 59° | 0.61" | — |
| 2009 | 67° | 47° | 57° | 0.05" | — |
| 2008 | 72° | 46° | 59° | — | — |
| 2007 | 74° | 42° | 58° | — | — |
| 2006 | 75° | 59° | 67° | 0.23" | — |
| 2005 | 81° | 48° | 64° | — | — |
| 2004 | 81° | 56° | 68° | — | — |
| 2003 | 73° | 62° | 68° | — | — |
| 2002warmest | 89° | 69° | 79° | — | — |
| 2001 | 74° | 43° | 58° | — | — |
| 2000 | 83° | 52° | 67° | 0.25" | — |
| 1999 | 80° | 50° | 65° | 0.05" | — |
| 1998 | 65° | 46° | 55° | — | — |
| 1997 | 69° | 42° | 56° | — | — |
| 1996 | 70° | 57° | 63° | 3.66" | — |
| 1995 | 79° | 62° | 70° | 0.25" | — |
| 1994 | 87° | 55° | 71° | — | — |
| 1993 | 70° | 59° | 64° | 1.93" | — |
| 1992 | 76° | 61° | 68° | 2.06" | — |
| 1991 | 64° | 53° | 59° | 0.13" | — |
| 1990 | 76° | 58° | 67° | — | — |
| 1989 | 77° | 50° | 64° | — | — |
| 1988 | 72° | 33° | 52° | — | — |
| 1987 | 88° | 50° | 69° | — | — |
| 1986 | 69° | 56° | 62° | 0.86" | — |
| 1985 | 84° | 55° | 70° | — | — |
| 1984 | 52° | 45° | 48° | 1.7" | — |
| 1983coldest | 56° | 28° | 42° | — | — |
| 1982 | 67° | 54° | 60° | — | — |
| 1981 | 74° | 55° | 64° | 0.46" | — |
| 1980 | 79° | 46° | 62° | — | — |
| 1979 | 82° | 44° | 63° | — | — |
| 1978 | 57° | 46° | 52° | — | — |
| 1977 | 81° | 56° | 68° | — | — |
| 1976 | 87° | 51° | 69° | 0.05" | — |
| 1975 | 69° | 35° | 52° | — | — |
| 1974 | 77° | 41° | 59° | — | — |
| 1973 | 82° | 59° | 71° | — | — |
| 1972 | 82° | 55° | 69° | — | — |
| 1971 | 89° | 55° | 72° | — | — |
55 years of data from CHATTANOOGA AP