Weather on August 18
Jacksonville, FL
55 Years of Data
About This Date
August 18th in Jacksonville, FL typically brings hot summer weather, with average highs around 92°F and lows near 73°F. Over 55 years of records, the warmest August 18th was in 1995 (86°F average), while the coldest was 1979 (77°F) — a 9°F range across recorded history. Rain or other precipitation has occurred on about 49% of August 18th dates historically, with the wettest August 18th recording 4.72" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for August 18th in Jacksonville, FL? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 90° | 75° | 82° | 1.12" | — |
| 2024 | 95° | 73° | 84° | — | — |
| 2023 | 94° | 75° | 84° | — | — |
| 2022 | 90° | 70° | 80° | 3.3" | — |
| 2021 | 92° | 76° | 84° | 0.15" | — |
| 2020 | 90° | 73° | 81° | — | — |
| 2019 | 91° | 75° | 83° | — | — |
| 2018 | 94° | 72° | 83° | 4.72" | — |
| 2017 | 91° | 76° | 83° | 0.28" | — |
| 2016 | 95° | 72° | 83° | — | — |
| 2015 | 93° | 71° | 82° | 3.4" | — |
| 2014 | 93° | 74° | 83° | 0.05" | — |
| 2013 | 89° | 74° | 81° | 1.24" | — |
| 2012 | 91° | 73° | 82° | — | — |
| 2011 | 90° | 73° | 81° | 0.25" | — |
| 2010 | 96° | 76° | 86° | — | — |
| 2009 | 89° | 75° | 82° | 0.74" | — |
| 2008 | 86° | 73° | 80° | 0.05" | — |
| 2007 | 92° | 75° | 83° | — | — |
| 2006 | 90° | 74° | 82° | 0.05" | — |
| 2005 | 94° | 77° | 85° | — | — |
| 2004 | 91° | 71° | 81° | 1.63" | — |
| 2003 | 90° | 73° | 81° | — | — |
| 2002 | 94° | 73° | 83° | — | — |
| 2001 | 94° | 72° | 83° | 2.59" | — |
| 2000 | 96° | 72° | 84° | — | — |
| 1999 | 95° | 73° | 84° | — | — |
| 1998 | 91° | 74° | 82° | 0.43" | — |
| 1997 | 94° | 74° | 84° | 0.69" | — |
| 1996 | 88° | 68° | 78° | — | — |
| 1995warmest | 96° | 75° | 86° | — | — |
| 1994 | 90° | 74° | 82° | 0.03" | — |
| 1993 | 97° | 72° | 84° | 1.02" | — |
| 1992 | 93° | 74° | 83° | 1.04" | — |
| 1991 | 93° | 74° | 83° | — | — |
| 1990 | 95° | 71° | 83° | — | — |
| 1989 | 93° | 73° | 83° | 0.05" | — |
| 1988 | 94° | 71° | 82° | — | — |
| 1987 | 95° | 75° | 85° | — | — |
| 1986 | 93° | 73° | 83° | 0.13" | — |
| 1985 | 93° | 75° | 84° | — | — |
| 1984 | 91° | 72° | 81° | 1.93" | — |
| 1983 | 91° | 69° | 80° | — | — |
| 1982 | 85° | 69° | 77° | 0.03" | — |
| 1981 | 90° | 77° | 83° | 0.15" | — |
| 1980 | 90° | 78° | 84° | — | — |
| 1979coldest | 83° | 71° | 77° | 0.99" | — |
| 1978 | 95° | 71° | 83° | 1.24" | — |
| 1977 | 96° | 74° | 85° | — | — |
| 1976 | 83° | 75° | 79° | — | — |
| 1975 | 94° | 76° | 85° | — | — |
| 1974 | 90° | 70° | 80° | 1.09" | — |
| 1973 | 93° | 73° | 83° | — | — |
| 1972 | 92° | 70° | 81° | — | — |
| 1971 | 91° | 73° | 82° | — | — |