30.495°N, 81.694°W · station JAXthr · 1871–2026 · 156 years of record
The Almanac Ribbon
Every day of the year at Jacksonville: the record high and record low ever set (outer lines), the everyday normal range (shaded band), and the full record envelope behind it.
Record highRecord lowNormal high–low band (1991–2020)hottest ever 104°F · coldest ever 7°F
Records by Month
Month
Record high
Record low
Jan
87°Jan 30, 2023
7°Jan 21, 1985
Feb
89°Feb 13, 2020
10°Feb 13, 1899
Mar
94°Mar 28, 2020
23°Mar 3, 1980
Apr
95°Apr 21, 1968
31°Apr 8, 2007
May
100°May 13, 1967
45°May 4, 1971
Jun
103°Jun 19, 1998
47°Jun 1, 1984
Jul
104°Jul 28, 1872
61°Jul 8, 1972
Aug
102°Aug 1, 1999
63°Aug 29, 1984
Sep
99°Sep 3, 1912
48°Sep 19, 1981
Oct
95°Oct 8, 1911
33°Oct 29, 2008
Nov
89°Nov 1, 2015
21°Nov 25, 1970
Dec
85°Dec 28, 2015
11°Dec 25, 1983
All-time
104°Jul 28, 1872
7°Jan 21, 1985
Longest-Standing Records
The daily records that have held the longest — set in the earliest years and never beaten since. Highs power Jacksonville on hottestsince.com; lows on coldestsince.com.
Oldest-standing record highs
Date
Record
Set
Standing
Apr 14
90°
1872
154yrs
Jun 9
101°
1872
154yrs
Jul 26
102°
1872
154yrs
Jul 28
104°
1872
154yrs
Aug 29
99°
1872
154yrs
Aug 31
95°
1873
153yrs
Aug 11
100°
1874
152yrs
Jun 16
99°
1875
151yrs
Jul 18
100°
1875
151yrs
Jul 22
99°
1875
151yrs
Jul 24
101°
1875
151yrs
Sep 5
98°
1875
151yrs
Oldest-standing record lows
Date
Record
Set
Standing
Nov 17
31°
1872
154yrs
Nov 30
26°
1872
154yrs
Apr 29
42°
1874
152yrs
Aug 4
69°
1875
151yrs
Aug 26
66°
1875
151yrs
Mar 22
31°
1876
150yrs
Oct 2
43°
1876
150yrs
Oct 3
45°
1876
150yrs
Dec 2
25°
1876
150yrs
Dec 3
24°
1876
150yrs
Dec 4
25°
1876
150yrs
Dec 5
25°
1876
150yrs
All-Time Extremes
Hottest ever
104°F
1872-07-28
Coldest ever
7°F
1985-01-21
Longest heat streak
50 days
≥ 90°F · ended 2010-08-26
The Warming Trend
Jacksonville's annual mean temperature, each year a stripe — blue below the 1991–2020 average, red above.
Days Above / Below the Mark
96 days ≥90°F in 2026 · normal 69 · record 114 in 2011
19 days ≤32°F in 2026 · normal 10 · record 44 in 2010
The Full Record
Every day of the year, record and normal high & low with the year each record was set. Type to filter, click a column to sort.