Weather on May 31
Deltona, FL
55 Years of Data
Avg High
90°F
Avg Low
69°F
Warmest
1998
86°F avg
Coldest
1988
69°F avg
About This Date
May 31st in Deltona, FL typically brings hot spring weather, with average highs around 90°F and lows near 69°F. Over 55 years of records, the warmest May 31st was in 1998 (86°F average), while the coldest was 1988 (69°F) — a 17°F range across recorded history. Rain or other precipitation has occurred on about 40% of May 31st dates historically, with the wettest May 31st recording 6.58" 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 May 31st in Deltona, FL? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 87° | 70° | 78° | 2.08" | — |
| 2024 | 93° | 71° | 82° | — | — |
| 2023 | 89° | 73° | 81° | — | — |
| 2022 | 90° | 71° | 80° | — | — |
| 2021 | 94° | 72° | 83° | 0.25" | — |
| 2020 | 93° | 72° | 82° | 0.69" | — |
| 2019 | 94° | 74° | 84° | — | — |
| 2018 | 90° | 73° | 81° | — | — |
| 2017 | 94° | 72° | 83° | 0.25" | — |
| 2016 | 94° | 71° | 82° | 0.81" | — |
| 2015 | 88° | 72° | 80° | — | — |
| 2014 | 92° | 70° | 81° | 0.25" | — |
| 2013 | 85° | 73° | 79° | 0.15" | — |
| 2012 | 92° | 74° | 83° | — | — |
| 2011 | 93° | 69° | 81° | — | — |
| 2010 | 86° | 73° | 80° | 0.03" | — |
| 2009 | 90° | 66° | 78° | — | — |
| 2008 | 87° | 70° | 78° | — | — |
| 2007 | 85° | 69° | 77° | — | — |
| 2006 | 88° | 74° | 81° | — | — |
| 2005 | 92° | 72° | 82° | — | — |
| 2004 | 95° | 74° | 84° | — | — |
| 2003 | 86° | 70° | 78° | — | — |
| 2002 | 92° | 70° | 81° | 0.25" | — |
| 2001 | 95° | 72° | 83° | — | — |
| 2000 | 89° | 66° | 78° | — | — |
| 1999 | 88° | 61° | 74° | — | — |
| 1998warmest | 96° | 75° | 86° | — | — |
| 1997 | 85° | 68° | 76° | — | — |
| 1996 | 91° | 70° | 80° | 0.08" | — |
| 1995 | 95° | 71° | 83° | 1.4" | — |
| 1994 | 88° | 67° | 77° | 0.08" | — |
| 1993 | 83° | 69° | 76° | 6.58" | — |
| 1992 | 90° | 67° | 78° | 1.45" | — |
| 1991 | 92° | 68° | 80° | 0.38" | — |
| 1990 | 90° | 66° | 78° | — | — |
| 1989 | 87° | 66° | 77° | 0.38" | — |
| 1988coldest | 82° | 56° | 69° | — | — |
| 1987 | 84° | 68° | 76° | — | — |
| 1986 | 94° | 67° | 80° | — | — |
| 1985 | 92° | 61° | 76° | — | — |
| 1984 | 85° | 70° | 77° | — | — |
| 1983 | 71° | 70° | 70° | 5" | — |
| 1982 | 87° | 70° | 78° | — | — |
| 1981 | 93° | 69° | 81° | — | — |
| 1980 | 84° | 66° | 75° | — | — |
| 1979 | 91° | 68° | 80° | 0.91" | — |
| 1978 | 90° | 63° | 76° | — | — |
| 1977 | 91° | 64° | 78° | — | — |
| 1976 | 88° | 63° | 75° | 1.8" | — |
| 1975 | 92° | 71° | 81° | 1.93" | — |
| 1974 | 94° | 72° | 83° | — | — |
| 1973 | 92° | 67° | 79° | 2.41" | — |
| 1972 | 88° | 69° | 78° | 0.38" | — |
| 1971 | 89° | 65° | 77° | — | — |
55 years of data from SANFORD