Weather on May 20
Deltona, FL
55 Years of Data
Avg High
88°F
Avg Low
66°F
Warmest
2025
85°F avg
Coldest
1976
69°F avg
About This Date
May 20th in Deltona, FL typically brings warm spring weather, with average highs around 88°F and lows near 66°F. Over 55 years of records, the warmest May 20th was in 2025 (85°F average), while the coldest was 1976 (69°F) — a 16°F range across recorded history. Rain or other precipitation has occurred on about 24% of May 20th dates historically, with the wettest May 20th recording 12.07" of rain. The last decade has been 3.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.9°F warmer on this date compared to 20-30 years ago.
Planning for May 20th in Deltona, FL? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025warmest | 95° | 75° | 85° | — | — |
| 2024 | 90° | 74° | 82° | — | — |
| 2023 | 90° | 72° | 81° | — | — |
| 2022 | 93° | 72° | 82° | — | — |
| 2021 | 84° | 69° | 77° | — | — |
| 2020 | 93° | 70° | 81° | — | — |
| 2019 | 90° | 65° | 77° | — | — |
| 2018 | 84° | 69° | 77° | 1.09" | — |
| 2017 | 89° | 73° | 81° | — | — |
| 2016 | 91° | 72° | 81° | — | — |
| 2015 | 91° | 70° | 80° | — | — |
| 2014 | 84° | 62° | 73° | — | — |
| 2013 | 87° | 72° | 79° | — | — |
| 2012 | 87° | 69° | 78° | — | — |
| 2011 | 92° | 65° | 78° | — | — |
| 2010 | 89° | 71° | 80° | — | — |
| 2009 | 72° | 66° | 69° | 12.07" | — |
| 2008 | 87° | 74° | 80° | 0.03" | — |
| 2007 | 80° | 61° | 70° | — | — |
| 2006 | 93° | 69° | 81° | — | — |
| 2005 | 85° | 66° | 75° | — | — |
| 2004 | 86° | 65° | 75° | — | — |
| 2003 | 92° | 74° | 83° | 0.05" | — |
| 2002 | 77° | 63° | 70° | 0.79" | — |
| 2001 | 91° | 64° | 78° | — | — |
| 2000 | 93° | 64° | 79° | — | — |
| 1999 | 90° | 61° | 75° | 0.05" | — |
| 1998 | 90° | 55° | 72° | — | — |
| 1997 | 88° | 69° | 78° | 0.13" | — |
| 1996 | 92° | 69° | 80° | — | — |
| 1995 | 95° | 70° | 82° | 0.86" | — |
| 1994 | 89° | 54° | 71° | 1.22" | — |
| 1993 | 89° | 62° | 76° | — | — |
| 1992 | 85° | 59° | 72° | — | — |
| 1991 | 86° | 72° | 79° | 1.57" | — |
| 1990 | 90° | 72° | 81° | — | — |
| 1989 | 83° | 58° | 70° | — | — |
| 1988 | 88° | 68° | 78° | 0.28" | — |
| 1987 | 85° | 63° | 74° | — | — |
| 1986 | 89° | 68° | 79° | 2.97" | — |
| 1985 | 87° | 64° | 76° | — | — |
| 1984 | 83° | 57° | 70° | — | — |
| 1983 | 86° | 65° | 75° | — | — |
| 1982 | 84° | 60° | 72° | 0.03" | — |
| 1981 | 94° | 69° | 81° | — | — |
| 1980 | 91° | 73° | 82° | — | — |
| 1979 | 88° | 60° | 74° | — | — |
| 1978 | 86° | 63° | 74° | — | — |
| 1977 | 88° | 54° | 71° | — | — |
| 1976coldest | 80° | 58° | 69° | — | — |
| 1975 | 88° | 66° | 77° | — | — |
| 1974 | 89° | 63° | 76° | — | — |
| 1973 | 90° | 62° | 76° | — | — |
| 1972 | 84° | 59° | 72° | — | — |
| 1971 | 91° | 59° | 75° | — | — |
55 years of data from SANFORD