All-time weather records — Port Gibson, MS

Record high
107.1°F
August 18, 1909
Record low
-56.0°F
May 18, 1998
Wettest day
12.12 in
January 31, 1899

Climate change signal in Port Gibson

7.7%

of Port Gibson's all-time daily heat records were set in the last decade (28 of 366 records since 2015).

1.1%

of all-time daily cold records were set in the last decade (4 of 366 records since 2015).

If records were spread evenly across the station's history, you'd expect roughly 5% per decade. Decade-by-decade, here's where each record-breaking day was set:

Decade Heat records set # Cold records set #
1890s
48
20
1900s
50
28
1910s
41
40
1920s
44
45
1930s
35
19
1940s
30
29
1950s
29
29
1960s
9
44
1970s
9
22
1980s
17
39
1990s
4
28
2000s
14
13
2010s
19
8
2020s
17
2

Records are the all-time daily extremes that are still standing — each daily record can only be held by one year. The station's earliest hot record was set in 1896, the latest in 2024. Period of observation: 1893-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 93.9°F — Jan 8, 1986 -5.1°F — Jan 27, 1940 12.12 in — Jan 31, 1899
February 87.1°F — Feb 26, 1977 -33.0°F — Feb 13, 1899 5.28 in — Feb 7, 1903
March 93.9°F — Mar 24, 1929 15.1°F — Mar 3, 1980 6.00 in — Mar 4, 1977
April 99.0°F — Apr 3, 1988 26.1°F — Apr 4, 1987 7.96 in — Apr 13, 1974
May 99.0°F — May 31, 1911 -56.0°F — May 18, 1998 8.95 in — May 13, 1990
June 104.0°F — Jun 20, 1936 0.0°F — Jun 29, 2002 7.07 in — Jun 17, 1934
July 104.0°F — Jul 12, 1930 44.1°F — Jul 4, 1997 3.95 in — Jul 2, 1981
August 107.1°F — Aug 18, 1909 7.0°F — Aug 31, 1959 6.27 in — Aug 2, 1908
September 105.1°F — Sep 1, 2000 35.1°F — Sep 29, 1967 5.30 in — Sep 20, 1932
October 97.0°F — Oct 6, 1955 -17.0°F — Oct 22, 1996 7.10 in — Oct 26, 2015
November 89.1°F — Nov 14, 1921 15.1°F — Nov 30, 1976 9.73 in — Nov 28, 1964
December 84.0°F — Dec 3, 1982 3.9°F — Dec 23, 1929 7.87 in — Dec 11, 1899

Click a month to see every daily record for that month in Port Gibson.