Weather on August 15
Jacksonville, FL
55 Years of Data
Avg High
91°F
Avg Low
73°F
Warmest
2025
86°F avg
Coldest
1983
77°F avg
About This Date
August 15th in Jacksonville, FL typically brings hot summer weather, with average highs around 91°F and lows near 73°F. Over 55 years of records, the warmest August 15th was in 2025 (86°F average), while the coldest was 1983 (77°F) — a 9°F range across recorded history. Rain or other precipitation has occurred on about 47% of August 15th dates historically, with the wettest August 15th recording 3.1" of rain. The last decade has been 1.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.4°F warmer on this date compared to 20-30 years ago.
Planning for August 15th in Jacksonville, FL? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025warmest | 97° | 76° | 86° | 2.82" | — |
| 2024 | 89° | 75° | 82° | 0.15" | — |
| 2023 | 95° | 75° | 85° | — | — |
| 2022 | 91° | 64° | 78° | — | — |
| 2021 | 90° | 73° | 81° | 0.05" | — |
| 2020 | 90° | 73° | 81° | 0.2" | — |
| 2019 | 92° | 77° | 84° | 1.45" | — |
| 2018 | 88° | 73° | 80° | 0.2" | — |
| 2017 | 95° | 75° | 85° | — | — |
| 2016 | 93° | 73° | 83° | — | — |
| 2015 | 89° | 69° | 79° | — | — |
| 2014 | 89° | 73° | 81° | — | — |
| 2013 | 93° | 73° | 83° | 0.64" | — |
| 2012 | 90° | 73° | 81° | 0.03" | — |
| 2011 | 95° | 74° | 84° | — | — |
| 2010 | 93° | 77° | 85° | 0.1" | — |
| 2009 | 87° | 75° | 81° | 0.81" | — |
| 2008 | 91° | 72° | 81° | — | — |
| 2007 | 92° | 74° | 83° | — | — |
| 2006 | 90° | 72° | 81° | — | — |
| 2005 | 94° | 73° | 83° | 1.93" | — |
| 2004 | 87° | 72° | 79° | 1.68" | — |
| 2003 | 88° | 75° | 81° | — | — |
| 2002 | 88° | 74° | 81° | 0.03" | — |
| 2001 | 87° | 74° | 80° | 0.43" | — |
| 2000 | 92° | 69° | 80° | 0.76" | — |
| 1999 | 92° | 71° | 81° | 2.03" | — |
| 1998 | 93° | 73° | 83° | 1.24" | — |
| 1997 | 93° | 76° | 84° | — | — |
| 1996 | 90° | 68° | 79° | — | — |
| 1995 | 93° | 76° | 84° | — | — |
| 1994 | 91° | 72° | 81° | 0.23" | — |
| 1993 | 93° | 76° | 84° | 0.2" | — |
| 1992 | 83° | 74° | 78° | 0.15" | — |
| 1991 | 91° | 72° | 81° | 3.1" | — |
| 1990 | 93° | 72° | 82° | — | — |
| 1989 | 91° | 70° | 80° | 0.46" | — |
| 1988 | 90° | 72° | 81° | — | — |
| 1987 | 84° | 73° | 79° | — | — |
| 1986 | 93° | 74° | 83° | 0.1" | — |
| 1985 | 90° | 72° | 81° | — | — |
| 1984 | 93° | 73° | 83° | — | — |
| 1983coldest | 87° | 67° | 77° | — | — |
| 1982 | 90° | 70° | 80° | — | — |
| 1981 | 90° | 71° | 80° | — | — |
| 1980 | 94° | 73° | 83° | — | — |
| 1979 | 89° | 71° | 80° | — | — |
| 1978 | 93° | 71° | 82° | — | — |
| 1977 | 95° | 73° | 84° | — | — |
| 1976 | 90° | 70° | 80° | — | — |
| 1975 | 89° | 71° | 80° | 1.3" | — |
| 1974 | 90° | 72° | 81° | — | — |
| 1973 | 91° | 71° | 81° | 0.08" | — |
| 1972 | 88° | 71° | 79° | — | — |
| 1971 | 88° | 75° | 81° | 0.56" | — |
55 years of data from JACKSONVILLE