Weather on August 20
Jacksonville, FL
55 Years of Data
Avg High
91°F
Avg Low
73°F
Warmest
2010
87°F avg
Coldest
1976
72°F avg
About This Date
August 20th 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 20th was in 2010 (87°F average), while the coldest was 1976 (72°F) — a 15°F range across recorded history. Rain or other precipitation has occurred on about 44% of August 20th dates historically, with the wettest August 20th recording 3.48" 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 20th in Jacksonville, FL? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 92° | 75° | 83° | — | — |
| 2024 | 95° | 76° | 85° | — | — |
| 2023 | 91° | 75° | 83° | 0.05" | — |
| 2022 | 94° | 72° | 83° | — | — |
| 2021 | 94° | 74° | 84° | 0.2" | — |
| 2020 | 88° | 70° | 79° | 3.28" | — |
| 2019 | 90° | 75° | 82° | 0.05" | — |
| 2018 | 92° | 74° | 83° | — | — |
| 2017 | 95° | 73° | 84° | — | — |
| 2016 | 97° | 74° | 85° | — | — |
| 2015 | 93° | 73° | 83° | 0.71" | — |
| 2014 | 95° | 73° | 84° | — | — |
| 2013 | 90° | 73° | 81° | — | — |
| 2012 | 89° | 72° | 80° | 3.48" | — |
| 2011 | 92° | 73° | 82° | — | — |
| 2010warmest | 96° | 77° | 87° | 0.51" | — |
| 2009 | 93° | 74° | 83° | — | — |
| 2008 | 85° | 73° | 79° | 3.18" | — |
| 2007 | 93° | 73° | 83° | — | — |
| 2006 | 93° | 74° | 83° | — | — |
| 2005 | 95° | 75° | 85° | — | — |
| 2004 | 95° | 76° | 85° | 0.1" | — |
| 2003 | 88° | 71° | 79° | — | — |
| 2002 | 87° | 73° | 80° | — | — |
| 2001 | 92° | 74° | 83° | — | — |
| 2000 | 90° | 71° | 80° | — | — |
| 1999 | 90° | 73° | 81° | 0.79" | — |
| 1998 | 87° | 74° | 80° | 1.88" | — |
| 1997 | 95° | 73° | 84° | — | — |
| 1996 | 88° | 72° | 80° | — | — |
| 1995 | 81° | 72° | 76° | 0.13" | — |
| 1994 | 93° | 71° | 82° | — | — |
| 1993 | 94° | 72° | 83° | — | — |
| 1992 | 91° | 72° | 81° | 0.13" | — |
| 1991 | 93° | 77° | 85° | 0.05" | — |
| 1990 | 91° | 71° | 81° | — | — |
| 1989 | 88° | 74° | 81° | 0.1" | — |
| 1988 | 95° | 77° | 86° | — | — |
| 1987 | 95° | 72° | 83° | 0.94" | — |
| 1986 | 87° | 73° | 80° | 2.06" | — |
| 1985 | 92° | 75° | 83° | — | — |
| 1984 | 88° | 70° | 79° | 3.18" | — |
| 1983 | 96° | 74° | 85° | — | — |
| 1982 | 91° | 70° | 80° | 0.05" | — |
| 1981 | 83° | 71° | 77° | — | — |
| 1980 | 99° | 72° | 85° | 2.62" | — |
| 1979 | 91° | 70° | 80° | — | — |
| 1978 | 92° | 71° | 81° | — | — |
| 1977 | 84° | 75° | 80° | 3.43" | — |
| 1976coldest | 75° | 69° | 72° | 1.12" | — |
| 1975 | 90° | 72° | 81° | 0.1" | — |
| 1974 | 90° | 69° | 79° | — | — |
| 1973 | 89° | 72° | 80° | — | — |
| 1972 | 94° | 71° | 82° | 0.43" | — |
| 1971 | 92° | 74° | 83° | — | — |
55 years of data from JACKSONVILLE