Weather on May 15 at Mammoth Cave
Mammoth Cave National Park
Based on 56 years of data from Bowling Green, KY
Planning Your Visit
May 15th in Mammoth Cave National Park (via Bowling Green, KY) typically brings pleasant spring weather, with average highs around 77°F and lows near 55°F. Over 56 years of records, the warmest May 15th was in 2018 (80°F average), while the coldest was 1973 (51°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 32% of May 15th dates historically, with the wettest May 15th recording 7.72" of rain. The last decade has been 6.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 6.7°F warmer on this date compared to 20-30 years ago.
Planning for May 15th in Mammoth Cave? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2026 | 79°F | 42°F | 0" | 0" |
| 2025 | 87°F | 73°F | 0" | 0" |
| 2024 | 76°F | 60°F | 0.1" | 0" |
| 2023 | 86°F | 67°F | 0" | 0" |
| 2022 | 87°F | 62°F | 0" | -- |
| 2021 | 74°F | 43°F | 0" | 0" |
| 2020 | 83°F | 66°F | 0.05" | 0" |
| 2019 | 71°F | 50°F | 0" | 0" |
| 2018 | 91°F | 70°F | 0" | 0" |
| 2017 | 85°F | 56°F | 0" | 0" |
| 2016 | 66°F | 41°F | 0" | 0" |
| 2015 | 87°F | 61°F | 0" | 0" |
| 2014 | 60°F | 48°F | 0" | 0" |
| 2013 | 87°F | 64°F | 0" | 0" |
| 2012 | 81°F | 54°F | 0" | 0" |
| 2011 | 59°F | 52°F | 0.1" | 0" |
| 2010 | 83°F | 62°F | 0" | 0" |
| 2009 | 85°F | 60°F | 1.3" | 0" |
| 2008 | 72°F | 59°F | 0.66" | 0" |
| 2007 | 85°F | 66°F | 1.24" | 0" |
| 2006 | 61°F | 45°F | 0.05" | 0" |
| 2005 | 66°F | 47°F | 0" | 0" |
| 2004 | 69°F | 59°F | 3.86" | 0" |
| 2003 | 77°F | 58°F | 0" | 0" |
| 2002 | 73°F | 42°F | 0" | 0" |
| 2001 | 87°F | 57°F | 0" | 0" |
| 2000 | 72°F | 42°F | 0" | 0" |
| 1999 | 81°F | 53°F | 0" | 0" |
| 1998 | 83°F | 62°F | 0" | 0" |
| 1997 | 68°F | 39°F | -- | 0" |
| 1996 | 70°F | 36°F | 1.4" | 0" |
| 1995 | 80°F | 65°F | 0.03" | 0" |
| 1994 | 74°F | 58°F | 0.89" | 0" |
| 1993 | 82°F | 49°F | 0" | 0" |
| 1992 | 82°F | 59°F | 0" | 0" |
| 1991 | 88°F | 59°F | 0" | 0" |
| 1990 | 85°F | 56°F | 0" | 0" |
| 1989 | 72°F | 53°F | 0" | 0" |
| 1988 | 88°F | 58°F | 0" | 0" |
| 1987 | 82°F | 63°F | 0.84" | 0" |
| 1986 | 80°F | 59°F | 0.25" | 0" |
| 1985 | 73°F | 59°F | 0" | 0" |
| 1984 | 70°F | 42°F | 0" | 0" |
| 1983 | 69°F | 51°F | 7.72" | 0" |
| 1982 | 81°F | 57°F | 0" | 0" |
| 1981 | 64°F | 47°F | 0" | 0" |
| 1980 | 75°F | 45°F | 0" | 0" |
| 1979 | 79°F | 55°F | 0" | 0" |
| 1978 | 56°F | 48°F | 0.25" | 0" |
| 1977 | 85°F | 56°F | 0" | 0" |
| 1976 | 79°F | 57°F | 1.19" | 0" |
| 1975 | 67°F | 59°F | 3.1" | 0" |
| 1974 | 77°F | 61°F | 0.15" | 0" |
| 1973 | 62°F | 40°F | 0" | 0" |
| 1972 | 76°F | 55°F | 0" | 0" |
| 1971 | 75°F | 50°F | 0" | 0" |