Weather on April 21
Jacksonville, FL
55 Years of Data
Avg High
82°F
Avg Low
57°F
Warmest
2002
79°F avg
Coldest
1983
55°F avg
About This Date
April 21st in Jacksonville, FL typically brings warm spring weather, with average highs around 82°F and lows near 57°F — a 25°F daily swing. Over 55 years of records, the warmest April 21st was in 2002 (79°F average), while the coldest was 1983 (55°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 20% of April 21st dates historically, with the wettest April 21st recording 5.82" of rain. The last decade has been 1.2°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.2°F cooler on this date compared to 20-30 years ago.
Planning for April 21st in Jacksonville, FL? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 87° | 64° | 76° | — | — |
| 2024 | 86° | 59° | 73° | 0.41" | — |
| 2023 | 82° | 54° | 68° | — | — |
| 2022 | 77° | 59° | 68° | — | — |
| 2021 | 84° | 57° | 71° | — | — |
| 2020 | 85° | 59° | 72° | — | — |
| 2019 | 77° | 46° | 62° | — | — |
| 2018 | 72° | 61° | 66° | 0.53" | — |
| 2017 | 85° | 54° | 69° | — | — |
| 2016 | 83° | 55° | 69° | — | — |
| 2015 | 81° | 62° | 71° | — | — |
| 2014 | 75° | 55° | 65° | — | — |
| 2013 | 72° | 48° | 60° | 0.03" | — |
| 2012 | 81° | 64° | 72° | 2.69" | — |
| 2011 | 90° | 62° | 76° | — | — |
| 2010 | 81° | 56° | 68° | 0.41" | — |
| 2009 | 80° | 54° | 67° | — | — |
| 2008 | 82° | 54° | 68° | — | — |
| 2007 | 74° | 47° | 60° | — | — |
| 2006 | 87° | 60° | 74° | — | — |
| 2005 | 83° | 53° | 68° | — | — |
| 2004 | 84° | 55° | 70° | — | — |
| 2003 | 81° | 56° | 68° | 0.08" | — |
| 2002warmest | 91° | 67° | 79° | — | — |
| 2001 | 79° | 53° | 66° | — | — |
| 2000 | 87° | 61° | 74° | — | — |
| 1999 | 86° | 58° | 72° | — | — |
| 1998 | 76° | 57° | 66° | — | — |
| 1997 | 84° | 59° | 72° | — | — |
| 1996 | 84° | 58° | 71° | — | — |
| 1995 | 88° | 64° | 76° | — | — |
| 1994 | 86° | 66° | 76° | — | — |
| 1993 | 80° | 55° | 68° | — | — |
| 1992 | 80° | 68° | 74° | 5.82" | — |
| 1991 | 75° | 55° | 65° | — | — |
| 1990 | 82° | 55° | 69° | — | — |
| 1989 | 75° | 55° | 65° | — | — |
| 1988 | 86° | 52° | 69° | — | — |
| 1987 | 87° | 56° | 71° | — | — |
| 1986 | 79° | 60° | 69° | 1.98" | — |
| 1985 | 80° | 51° | 66° | — | — |
| 1984 | 86° | 58° | 72° | — | — |
| 1983coldest | 73° | 38° | 55° | — | — |
| 1982 | 91° | 65° | 78° | — | — |
| 1981 | 77° | 63° | 70° | 0.25" | — |
| 1980 | 85° | 53° | 69° | — | — |
| 1979 | 80° | 50° | 65° | — | — |
| 1978 | 76° | 50° | 63° | — | — |
| 1977 | 81° | 67° | 74° | 1.3" | — |
| 1976 | 84° | 56° | 70° | — | — |
| 1975 | 76° | 53° | 64° | — | — |
| 1974 | 78° | 62° | 70° | 0.1" | — |
| 1973 | 80° | 57° | 69° | — | — |
| 1972 | 90° | 58° | 74° | — | — |
| 1971 | 87° | 59° | 73° | — | — |
55 years of data from JACKSONVILLE