| Jacksonville All-Time Extremes
(1871-present) |
| Temperature |
| Record high | 105 on July 21, 1942 |
| Record low | 7 on January 21, 1985 |
| Record lowest maximum | 27 on February 13, 1899 |
| Record lowest daily mean | 19 on February 13, 1899 & January 21, 1985 |
| Record warmest minimum | 86 on July 26, 1872 |
| Record warmest daily mean | 94 on July 26, 1872 |
| Earliest freeze | November 3, 1954 |
| Latest freeze | April 8, 2007 |
| Average date of first freeze | December 3 |
| Average date of last freeze | February 26 |
Greatest number of consecutive days with
low temp at or below
freezing | 8 from December 16-23, 1901 January 17-24, 1977 |
Greatest number of consecutive days with
minimum 20 or below | 3 from December 24-26, 1983 January 20-22, 1985 |
Greatest number of consecutive days with
maximum 90 or above | 44 from June 30-August 12, 1992 |
| Rainfall |
| Maximum rainfall in one year | 82.27" in 1947 |
| Minimum rainfall in one year | 30.44" in 1927 |
| Maximum rainfall in one month | 23.32" in June 1932 |
| Minimum rainfall in one month | Trace in December 1889 & November 1970 |
| Maximum rainfall in 24 hours | 10.17" on September 5-6, 1950 |
| Maximum rainfall in one hour | 5.29"on May 27, 1975 |
Greatest number of consecutive days
without precipitation
(including trace amounts) | 26 from November 28-December 23, 1889 |
Greatest number of consecutive days
without measurable
precipitation | 46 from October 31-December 15, 1970 |
Greatest number of consecutive days
with precipitation | 17 from August 30-September 15, 2001 |
| Snowfall |
| Maximum snowfall in 24 hours | 1.9" on February 13, 1899 |
| Maximum snowfall in one year | 1.9" in 1899 |
| Greatest depth of snow on ground | 1.9" on February 13,1899 |
| Greatest number of consecutive days with snow | 2 on numerous occasions
(last time December 22-23, 1989) |
Greatest number of consecutive days with at least
a trace or more
of snow on the ground | 4 from December 23-26, 1989 |
| Earliest snowfall | Trace on November 28, 1911 |
| Latest snowfall | Trace on March 28, 1955 |
| Barometric Pressure |
| Highest pressure | 30.74" (1041.0 mb) on January 4, 1979 |
| Lowest pressure | 28.90" (978.7 mb) in September 1928 |
