Weather on July 20 at Mammoth Cave
Mammoth Cave National Park
Based on 55 years of data from Bowling Green, KY
Planning Your Visit
July 20th in Mammoth Cave National Park (via Bowling Green, KY) typically brings hot summer weather, with average highs around 91°F and lows near 71°F. Over 55 years of records, the warmest July 20th was in 1980 (88°F average), while the coldest was 2009 (70°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 24% of July 20th dates historically, with the wettest July 20th recording 3.78" of rain. The last decade has been 2.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.3°F warmer on this date compared to 20-30 years ago.
Planning for July 20th in Mammoth Cave? Stay hydrated and seek shade during peak afternoon hours.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 94°F | 76°F | 0" | 0" |
| 2024 | 88°F | 70°F | 0" | 0" |
| 2023 | 83°F | 74°F | 0.56" | 0" |
| 2022 | 98°F | 78°F | 0.36" | -- |
| 2021 | 88°F | 70°F | 0" | 0" |
| 2020 | 94°F | 74°F | 0" | 0" |
| 2019 | 93°F | 73°F | 0.2" | 0" |
| 2018 | 94°F | 70°F | 0" | 0" |
| 2017 | 94°F | 73°F | 0" | 0" |
| 2016 | 90°F | 73°F | 2.39" | 0" |
| 2015 | 90°F | 74°F | 0.3" | 0" |
| 2014 | 87°F | 68°F | 0" | 0" |
| 2013 | 91°F | 73°F | 0.61" | 0" |
| 2012 | 92°F | 74°F | 0.79" | 0" |
| 2011 | 97°F | 79°F | 0" | 0" |
| 2010 | 92°F | 71°F | 0" | 0" |
| 2009 | 80°F | 59°F | 0" | 0" |
| 2008 | 95°F | 76°F | 0" | 0" |
| 2007 | 84°F | 68°F | 0" | 0" |
| 2006 | 94°F | 76°F | 0" | 0" |
| 2005 | 91°F | 74°F | 0" | 0" |
| 2004 | 87°F | 63°F | 0" | 0" |
| 2003 | 91°F | 66°F | 0" | 0" |
| 2002 | 92°F | 72°F | 1.68" | 0" |
| 2001 | 85°F | 71°F | 2.01" | 0" |
| 2000 | 84°F | 68°F | 0" | 0" |
| 1999 | 96°F | 75°F | 0" | 0" |
| 1998 | 88°F | 75°F | 0" | 0" |
| 1997 | 94°F | 71°F | -- | 0" |
| 1996 | 85°F | 71°F | -- | 0" |
| 1995 | 94°F | 63°F | 0" | 0" |
| 1994 | 94°F | 71°F | 0.08" | 0" |
| 1993 | 94°F | 71°F | 0" | 0" |
| 1992 | 94°F | 65°F | 0" | 0" |
| 1991 | 96°F | 70°F | 0" | 0" |
| 1990 | 93°F | 71°F | 0" | 0" |
| 1989 | 85°F | 67°F | 0" | 0" |
| 1988 | 85°F | 73°F | 3.78" | 0" |
| 1987 | 94°F | 66°F | 0" | 0" |
| 1986 | 102°F | 74°F | 0" | 0" |
| 1985 | 96°F | 71°F | 0" | 0" |
| 1984 | 86°F | 56°F | 0" | 0" |
| 1983 | 99°F | 75°F | 0" | 0" |
| 1982 | 89°F | 69°F | 0" | 0" |
| 1981 | 92°F | 68°F | 2.26" | 0" |
| 1980 | 99°F | 78°F | 0" | 0" |
| 1979 | 85°F | 68°F | 0" | 0" |
| 1978 | 97°F | 72°F | 0" | 0" |
| 1977 | 95°F | 73°F | 0" | 0" |
| 1976 | 90°F | 63°F | 0" | 0" |
| 1975 | 87°F | 69°F | 0.18" | 0" |
| 1974 | 93°F | 69°F | 0" | 0" |
| 1973 | 92°F | 72°F | 0" | 0" |
| 1972 | 94°F | 70°F | 0" | 0" |
| 1971 | 79°F | 63°F | 0" | 0" |