Weather on May 18
Jacksonville, FL
55 Years of Data
Avg High
86°F
Avg Low
63°F
Warmest
2025
83°F avg
Coldest
2009
63°F avg
About This Date
May 18th in Jacksonville, FL typically brings warm spring weather, with average highs around 86°F and lows near 63°F. Over 55 years of records, the warmest May 18th was in 2025 (83°F average), while the coldest was 2009 (63°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 24% of May 18th dates historically, with the wettest May 18th recording 3.25" of rain. The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.
Planning for May 18th in Jacksonville, FL? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025warmest | 95° | 71° | 83° | — | — |
| 2024 | 88° | 70° | 79° | — | — |
| 2023 | 88° | 64° | 76° | 3.25" | — |
| 2022 | 92° | 67° | 79° | — | — |
| 2021 | 82° | 60° | 71° | — | — |
| 2020 | 89° | 68° | 79° | 0.3" | — |
| 2019 | 91° | 63° | 77° | — | — |
| 2018 | 84° | 71° | 78° | 0.23" | — |
| 2017 | 86° | 67° | 76° | — | — |
| 2016 | 87° | 70° | 78° | — | — |
| 2015 | 87° | 65° | 76° | — | — |
| 2014 | 82° | 53° | 68° | — | — |
| 2013 | 86° | 66° | 76° | 0.53" | — |
| 2012 | 80° | 64° | 72° | 1.32" | — |
| 2011 | 80° | 46° | 63° | — | — |
| 2010 | 90° | 68° | 79° | — | — |
| 2009coldest | 68° | 58° | 63° | 1.63" | — |
| 2008 | 84° | 62° | 73° | 0.33" | — |
| 2007 | 78° | 58° | 68° | — | — |
| 2006 | 84° | 56° | 70° | — | — |
| 2005 | 83° | 63° | 73° | — | — |
| 2004 | 85° | 62° | 73° | — | — |
| 2003 | 89° | 69° | 79° | 0.08" | — |
| 2002 | 91° | 68° | 80° | 0.41" | — |
| 2001 | 94° | 67° | 80° | — | — |
| 2000 | 87° | 63° | 75° | — | — |
| 1999 | 83° | 61° | 72° | — | — |
| 1998 | 90° | 68° | 79° | 0.13" | — |
| 1997 | 86° | 61° | 73° | — | — |
| 1996 | 92° | 67° | 79° | — | — |
| 1995 | 95° | 69° | 82° | — | — |
| 1994 | 84° | 58° | 71° | — | — |
| 1993 | 92° | 67° | 79° | 1.09" | — |
| 1992 | 82° | 62° | 72° | — | — |
| 1991 | 91° | 70° | 80° | — | — |
| 1990 | 84° | 64° | 74° | — | — |
| 1989 | 83° | 59° | 71° | — | — |
| 1988 | 89° | 65° | 77° | — | — |
| 1987 | 86° | 62° | 74° | — | — |
| 1986 | 86° | 57° | 72° | — | — |
| 1985 | 84° | 59° | 72° | — | — |
| 1984 | 81° | 48° | 64° | — | — |
| 1983 | 81° | 67° | 74° | — | — |
| 1982 | 86° | 60° | 73° | — | — |
| 1981 | 95° | 62° | 79° | — | — |
| 1980 | 91° | 71° | 81° | 0.13" | — |
| 1979 | 76° | 55° | 65° | — | — |
| 1978 | 90° | 66° | 78° | — | — |
| 1977 | 85° | 55° | 70° | — | — |
| 1976 | 82° | 60° | 71° | — | — |
| 1975 | 87° | 67° | 77° | — | — |
| 1974 | 86° | 63° | 74° | — | — |
| 1973 | 76° | 58° | 67° | — | — |
| 1972 | 85° | 63° | 74° | 0.15" | — |
| 1971 | 87° | 58° | 72° | — | — |
55 years of data from JACKSONVILLE