Weather on December 18
Jacksonville, FL
55 Years of Data
Avg High
66°F
Avg Low
42°F
Warmest
2016
70°F avg
Coldest
1988
37°F avg
About This Date
December 18th in Jacksonville, FL typically brings mild winter weather, with average highs around 66°F and lows near 42°F. Over 55 years of records, the warmest December 18th was in 2016 (70°F average), while the coldest was 1988 (37°F) — a 33°F range across recorded history. Rain or other precipitation has occurred on about 18% of December 18th dates historically, with the wettest December 18th recording 2.11" of rain. The last decade has been 7.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 7.2°F warmer on this date compared to 20-30 years ago.
Planning for December 18th in Jacksonville, FL? Great weather for outdoor activities.
Warming Trend
2.2°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 74° | 55° | 64° | — | — |
| 2024 | 79° | 58° | 68° | — | — |
| 2023 | 64° | 48° | 56° | — | — |
| 2022 | 60° | 35° | 48° | — | — |
| 2021 | 80° | 55° | 68° | — | — |
| 2020 | 55° | 32° | 44° | — | — |
| 2019 | 61° | 37° | 49° | — | — |
| 2018 | 69° | 39° | 54° | — | — |
| 2017 | 81° | 57° | 69° | — | — |
| 2016warmest | 83° | 58° | 70° | — | — |
| 2015 | 71° | 46° | 59° | 0.2" | — |
| 2014 | 64° | 39° | 52° | — | — |
| 2013 | 64° | 37° | 51° | — | — |
| 2012 | 72° | 44° | 58° | — | — |
| 2011 | 64° | 38° | 51° | — | — |
| 2010 | 73° | 50° | 62° | — | — |
| 2009 | 73° | 50° | 62° | 0.94" | — |
| 2008 | 81° | 53° | 67° | — | — |
| 2007 | 61° | 29° | 45° | — | — |
| 2006 | 78° | 50° | 64° | — | — |
| 2005 | 53° | 48° | 51° | 2.11" | — |
| 2004 | 65° | 41° | 53° | — | — |
| 2003 | 61° | 29° | 45° | — | — |
| 2002 | 71° | 46° | 59° | — | — |
| 2001 | 72° | 48° | 60° | 0.2" | — |
| 2000 | 58° | 26° | 42° | — | — |
| 1999 | 62° | 54° | 58° | 0.94" | — |
| 1998 | 60° | 29° | 44° | — | — |
| 1997 | 68° | 39° | 54° | — | — |
| 1996 | 62° | 42° | 52° | 1.19" | — |
| 1995 | 74° | 60° | 67° | 0.18" | — |
| 1994 | 65° | 47° | 56° | — | — |
| 1993 | 73° | 45° | 59° | — | — |
| 1992 | 69° | 57° | 63° | — | — |
| 1991 | 68° | 33° | 51° | — | — |
| 1990 | 81° | 58° | 69° | — | — |
| 1989 | 46° | 39° | 43° | 0.94" | — |
| 1988coldest | 50° | 25° | 37° | — | — |
| 1987 | 63° | 28° | 45° | — | — |
| 1986 | 72° | 53° | 62° | — | — |
| 1985 | 60° | 36° | 48° | — | — |
| 1984 | 78° | 56° | 67° | — | — |
| 1983 | 63° | 47° | 55° | — | — |
| 1982 | 57° | 29° | 43° | — | — |
| 1981 | 59° | 35° | 47° | — | — |
| 1980 | 67° | 31° | 49° | — | — |
| 1979 | 57° | 33° | 45° | — | — |
| 1978 | 65° | 26° | 45° | — | — |
| 1977 | 66° | 47° | 56° | 0.13" | — |
| 1976 | 73° | 42° | 58° | — | — |
| 1975 | 67° | 30° | 48° | 0.08" | — |
| 1974 | 54° | 27° | 40° | — | — |
| 1973 | 52° | 28° | 40° | — | — |
| 1972 | 62° | 32° | 47° | — | — |
| 1971 | 59° | 41° | 50° | — | — |
55 years of data from JACKSONVILLE