Weather on January 21
Jacksonville, FL
55 Years of Data
Avg High
64°F
Avg Low
41°F
Warmest
2017
73°F avg
Coldest
1985
18°F avg
About This Date
January 21st in Jacksonville, FL typically brings mild winter weather, with average highs around 64°F and lows near 41°F. Over 56 years of records, the warmest January 21st was in 2017 (73°F average), while the coldest was 1985 (18°F) — a 55°F range across recorded history. Rain or other precipitation has occurred on about 29% of January 21st dates historically, with the wettest January 21st recording 4.34" of rain. The last decade has been 2.7°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.7°F cooler on this date compared to 20-30 years ago.
Planning for January 21st in Jacksonville, FL? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 66° | 35° | 51° | — | — |
| 2025 | 45° | 33° | 39° | 1.37" | — |
| 2024 | 44° | 28° | 36° | — | — |
| 2023 | 58° | 40° | 49° | 0.03" | — |
| 2022 | 59° | 41° | 50° | 0.03" | — |
| 2021 | 74° | 47° | 60° | — | — |
| 2020 | 50° | 32° | 41° | — | — |
| 2019 | 51° | 32° | 42° | — | — |
| 2018 | 71° | 43° | 57° | — | — |
| 2017warmest | 84° | 62° | 73° | 1.57" | — |
| 2016 | 70° | 35° | 52° | — | — |
| 2015 | 75° | 48° | 62° | — | — |
| 2014 | 72° | 44° | 58° | 0.76" | — |
| 2013 | 69° | 45° | 57° | — | — |
| 2012 | 74° | 50° | 62° | — | — |
| 2011 | 55° | 47° | 51° | 0.13" | — |
| 2010 | 67° | 57° | 62° | 4.34" | — |
| 2009 | 46° | 22° | 34° | — | — |
| 2008 | 52° | 32° | 42° | — | — |
| 2007 | 75° | 41° | 58° | — | — |
| 2006 | 80° | 56° | 68° | — | — |
| 2005 | 73° | 39° | 56° | — | — |
| 2004 | 62° | 31° | 46° | — | — |
| 2003 | 72° | 43° | 57° | — | — |
| 2002 | 71° | 56° | 63° | 3.73" | — |
| 2001 | 51° | 27° | 39° | — | — |
| 2000 | 53° | 30° | 42° | — | — |
| 1999 | 78° | 55° | 67° | — | — |
| 1998 | 65° | 42° | 53° | — | — |
| 1997 | 68° | 33° | 51° | — | — |
| 1996 | 60° | 47° | 53° | — | — |
| 1995 | 59° | 34° | 46° | — | — |
| 1994 | 53° | 30° | 42° | — | — |
| 1993 | 75° | 56° | 65° | 0.05" | — |
| 1992 | 69° | 29° | 49° | — | — |
| 1991 | 62° | 43° | 52° | — | — |
| 1990 | 81° | 64° | 72° | 0.94" | — |
| 1989 | 54° | 49° | 51° | 0.71" | — |
| 1988 | 67° | 51° | 59° | 2.62" | — |
| 1987 | 52° | 46° | 49° | 1.6" | — |
| 1986 | 69° | 37° | 53° | — | — |
| 1985coldest | 30° | 7° | 18° | — | — |
| 1984 | 45° | 31° | 38° | 1.35" | — |
| 1983 | 64° | 45° | 54° | 3.23" | — |
| 1982 | 80° | 58° | 69° | — | — |
| 1981 | 58° | 45° | 51° | — | — |
| 1980 | 74° | 38° | 56° | — | — |
| 1979 | 68° | 39° | 54° | 0.76" | — |
| 1978 | 50° | 36° | 43° | — | — |
| 1977 | 50° | 26° | 38° | — | — |
| 1976 | 62° | 31° | 46° | — | — |
| 1975 | 60° | 35° | 48° | — | — |
| 1974 | 80° | 53° | 67° | — | — |
| 1973 | 71° | 45° | 58° | — | — |
| 1972 | 78° | 61° | 69° | — | — |
| 1971 | 59° | 19° | 39° | — | — |
56 years of data from JACKSONVILLE