Weather on August 18 at Congaree
Congaree National Park
Based on 55 years of data from Columbia, SC
Planning Your Visit
August 18th in Congaree National Park (via Columbia, SC) typically brings hot summer weather, with average highs around 93°F and lows near 71°F. Over 55 years of records, the warmest August 18th was in 1995 (93°F average), while the coldest was 1981 (68°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 42% of August 18th dates historically, with the wettest August 18th recording 3.63" of rain. The last decade has been 2.1°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.1°F cooler on this date compared to 20-30 years ago.
Planning for August 18th in Congaree? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 95°F | 70°F | 0.79" | 0" |
| 2024 | 95°F | 69°F | 1.7" | 0" |
| 2023 | 95°F | 69°F | 0" | 0" |
| 2022 | 87°F | 69°F | 0" | 0" |
| 2021 | -- | 75°F | 2.41" | 0" |
| 2020 | 92°F | 70°F | 0.56" | 0" |
| 2019 | 96°F | 72°F | 0" | 0" |
| 2018 | 95°F | 72°F | 0.13" | 0" |
| 2017 | 98°F | 79°F | 0" | 0" |
| 2016 | 97°F | 78°F | 0.03" | 0" |
| 2015 | 90°F | 73°F | 0.38" | 0" |
| 2014 | 96°F | 75°F | 0" | -- |
| 2013 | 88°F | 61°F | 0.05" | -- |
| 2012 | 91°F | 70°F | 1.14" | -- |
| 2011 | 93°F | 70°F | 0" | -- |
| 2010 | 95°F | 76°F | 0.56" | 0" |
| 2009 | 93°F | 74°F | 0" | 0" |
| 2008 | 88°F | 67°F | -- | 0" |
| 2007 | 97°F | 73°F | 0.76" | 0" |
| 2006 | 89°F | 71°F | 0" | 0" |
| 2005 | 94°F | 73°F | 0.41" | 0" |
| 2004 | 90°F | 71°F | 0" | -- |
| 2003 | 95°F | 75°F | 0" | 0" |
| 2002 | 98°F | 74°F | 0" | 0" |
| 2001 | 96°F | 74°F | 1.22" | 0" |
| 2000 | 107°F | 76°F | 0" | 0" |
| 1999 | 104°F | 74°F | 0" | 0" |
| 1998 | 97°F | 70°F | 0" | 0" |
| 1997 | 98°F | 76°F | 0" | 0" |
| 1996 | 94°F | 70°F | 0.18" | 0" |
| 1995 | 107°F | 79°F | 0" | 0" |
| 1994 | 88°F | 73°F | 0.05" | 0" |
| 1993 | 102°F | 72°F | 0.05" | 0" |
| 1992 | 86°F | 66°F | 0.53" | 0" |
| 1991 | 91°F | 69°F | 0" | 0" |
| 1990 | 92°F | 71°F | 0" | 0" |
| 1989 | 89°F | 67°F | 0.05" | 0" |
| 1988 | 103°F | 73°F | 0" | 0" |
| 1987 | 97°F | 71°F | 0" | 0" |
| 1986 | 93°F | 71°F | 3.63" | 0" |
| 1985 | 89°F | 74°F | 0.48" | 0" |
| 1984 | 91°F | 71°F | 0" | 0" |
| 1983 | 103°F | 71°F | 0" | 0" |
| 1982 | 87°F | 67°F | 1.5" | 0" |
| 1981 | 74°F | 62°F | 3.15" | 0" |
| 1980 | 92°F | 70°F | 0" | 0" |
| 1979 | 89°F | 57°F | 0" | 0" |
| 1978 | 95°F | 73°F | 0" | 0" |
| 1977 | 78°F | 69°F | 0" | 0" |
| 1976 | 91°F | 62°F | 0" | 0" |
| 1975 | 96°F | 73°F | 0" | 0" |
| 1974 | 92°F | 70°F | 0" | 0" |
| 1973 | 82°F | 71°F | 0.33" | 0" |
| 1972 | 87°F | 72°F | 0" | 0" |
| 1971 | 88°F | 70°F | 0" | 0" |