Weather on March 21
Deltona, FL
55 Years of Data
Avg High
79°F
Avg Low
54°F
Warmest
2003
82°F avg
Coldest
1996
51°F avg
About This Date
March 21st in Deltona, FL typically brings pleasant spring weather, with average highs around 79°F and lows near 54°F — a 25°F daily swing. Over 56 years of records, the warmest March 21st was in 2003 (82°F average), while the coldest was 1996 (51°F) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 29% of March 21st dates historically, with the wettest March 21st recording 2.08" of rain. The last decade has been 3.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.3°F cooler on this date compared to 20-30 years ago.
Planning for March 21st in Deltona, FL? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 81° | 50° | 65° | — | — |
| 2025 | 82° | 47° | 64° | — | — |
| 2024 | 74° | 49° | 61° | — | — |
| 2023 | 67° | 48° | 57° | — | — |
| 2022 | 78° | 56° | 67° | 0.28" | — |
| 2021 | 64° | 54° | 59° | 0.25" | — |
| 2020 | 87° | 63° | 75° | — | — |
| 2019 | 72° | 55° | 63° | — | — |
| 2018 | 78° | 58° | 68° | 0.33" | — |
| 2017 | 78° | 47° | 62° | — | — |
| 2016 | 81° | 53° | 67° | 0.38" | — |
| 2015 | 88° | 65° | 76° | — | — |
| 2014 | 80° | 60° | 70° | — | — |
| 2013 | 73° | 52° | 62° | 1.02" | — |
| 2012 | 81° | 64° | 72° | — | — |
| 2011 | 79° | 58° | 68° | — | — |
| 2010 | 72° | 48° | 60° | — | — |
| 2009 | 82° | 58° | 70° | — | — |
| 2008 | 74° | 52° | 63° | 0.58" | — |
| 2007 | 74° | 59° | 66° | — | — |
| 2006 | 85° | 55° | 70° | — | — |
| 2005 | 76° | 46° | 61° | 0.05" | — |
| 2004 | 82° | 55° | 69° | — | — |
| 2003warmest | 92° | 73° | 82° | 1.24" | — |
| 2002 | 87° | 63° | 75° | — | — |
| 2001 | 73° | 51° | 62° | — | — |
| 2000 | 87° | 52° | 69° | — | — |
| 1999 | 86° | 51° | 69° | — | — |
| 1998 | 81° | 58° | 69° | 0.46" | — |
| 1997 | 78° | 63° | 70° | 0.94" | — |
| 1996coldest | 64° | 38° | 51° | — | — |
| 1995 | 80° | 51° | 66° | — | — |
| 1994 | 84° | 60° | 72° | — | — |
| 1993 | 68° | 59° | 64° | 1.37" | — |
| 1992 | 73° | 49° | 61° | — | — |
| 1991 | 77° | 53° | 65° | — | — |
| 1990 | 73° | 47° | 60° | — | — |
| 1989 | 85° | 62° | 73° | — | — |
| 1988 | 65° | 40° | 52° | — | — |
| 1987 | 73° | 48° | 61° | — | — |
| 1986 | 88° | 47° | 67° | 1.02" | — |
| 1985 | 75° | 51° | 63° | — | — |
| 1984 | 80° | 52° | 66° | 1.12" | — |
| 1983 | 78° | 62° | 70° | 2.08" | — |
| 1982 | 86° | 61° | 73° | — | — |
| 1981 | 73° | 38° | 55° | — | — |
| 1980 | 87° | 68° | 78° | — | — |
| 1979 | 83° | 58° | 70° | — | — |
| 1978 | 76° | 58° | 67° | — | — |
| 1977 | 90° | 60° | 75° | — | — |
| 1976 | 83° | 56° | 69° | — | — |
| 1975 | 77° | 45° | 61° | — | — |
| 1974 | 88° | 57° | 72° | — | — |
| 1973 | 82° | 60° | 71° | 1.52" | — |
| 1972 | 79° | 59° | 69° | 0.51" | — |
| 1971 | 70° | 41° | 55° | — | — |
56 years of data from SANFORD