Weather on June 21
Jacksonville, FL
55 Years of Data
Avg High
90°F
Avg Low
71°F
Warmest
1990
88°F avg
Coldest
2002
72°F avg
About This Date
June 21st in Jacksonville, FL typically brings hot summer weather, with average highs around 90°F and lows near 71°F. Over 55 years of records, the warmest June 21st was in 1990 (88°F average), while the coldest was 2002 (72°F) — a 16°F range across recorded history. Rain or other precipitation has occurred on about 42% of June 21st dates historically, with the wettest June 21st recording 7.24" of rain. The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.
Planning for June 21st 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 | 94° | 73° | 83° | — | — |
| 2024 | 90° | 72° | 81° | 0.1" | — |
| 2023 | 87° | 72° | 79° | 0.46" | — |
| 2022 | 90° | 63° | 76° | — | — |
| 2021 | 85° | 71° | 78° | 0.1" | — |
| 2020 | 94° | 70° | 82° | — | — |
| 2019 | 97° | 72° | 84° | — | — |
| 2018 | 98° | 74° | 86° | — | — |
| 2017 | 92° | 74° | 83° | 4.52" | — |
| 2016 | 86° | 60° | 73° | — | — |
| 2015 | 96° | 76° | 86° | 0.15" | — |
| 2014 | 95° | 69° | 82° | — | — |
| 2013 | 83° | 72° | 77° | 0.86" | — |
| 2012 | 85° | 69° | 77° | — | — |
| 2011 | 97° | 74° | 85° | — | — |
| 2010 | 92° | 70° | 81° | 2.06" | — |
| 2009 | 97° | 76° | 86° | — | — |
| 2008 | 86° | 70° | 78° | — | — |
| 2007 | 85° | 72° | 78° | 0.18" | — |
| 2006 | 93° | 70° | 81° | — | — |
| 2005 | 84° | 65° | 74° | — | — |
| 2004 | 87° | 71° | 79° | 4.72" | — |
| 2003 | 87° | 72° | 79° | 0.08" | — |
| 2002coldest | 75° | 70° | 72° | 7.24" | — |
| 2001 | 92° | 69° | 80° | 2.31" | — |
| 2000 | 88° | 70° | 79° | — | — |
| 1999 | 83° | 71° | 77° | — | — |
| 1998 | 95° | 73° | 84° | — | — |
| 1997 | 91° | 69° | 80° | — | — |
| 1996 | 91° | 72° | 81° | 0.03" | — |
| 1995 | 88° | 69° | 78° | — | — |
| 1994 | 91° | 71° | 81° | 0.89" | — |
| 1993 | 93° | 64° | 79° | — | — |
| 1992 | 95° | 71° | 83° | — | — |
| 1991 | 94° | 75° | 84° | — | — |
| 1990warmest | 99° | 77° | 88° | 0.56" | — |
| 1989 | 91° | 69° | 80° | 1.12" | — |
| 1988 | 89° | 69° | 79° | — | — |
| 1987 | 92° | 74° | 83° | 1.85" | — |
| 1986 | 90° | 68° | 79° | — | — |
| 1985 | 84° | 63° | 73° | — | — |
| 1984 | 95° | 72° | 83° | 1.57" | — |
| 1983 | 79° | 72° | 75° | 1.07" | — |
| 1982 | 95° | 72° | 83° | — | — |
| 1981 | 98° | 70° | 84° | 2.13" | — |
| 1980 | 90° | 72° | 81° | 2.62" | — |
| 1979 | 83° | 71° | 77° | — | — |
| 1978 | 87° | 68° | 78° | — | — |
| 1977 | 94° | 73° | 83° | 0.71" | — |
| 1976 | 81° | 70° | 75° | — | — |
| 1975 | 89° | 70° | 79° | 0.15" | — |
| 1974 | 92° | 70° | 81° | — | — |
| 1973 | 88° | 70° | 79° | — | — |
| 1972 | 95° | 75° | 85° | — | — |
| 1971 | 91° | 72° | 81° | — | — |
55 years of data from JACKSONVILLE