All-time weather records — Casselberry, FL

Record high
102.9°F
September 8, 1921
Record low
1.2°F
July 31, 2009
Wettest day
8.43 in
September 16, 1945

Climate change signal in Casselberry

5.5%

of Casselberry's all-time daily heat records were set in the last decade (20 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
12
88
1900s
56
45
1910s
85
58
1920s
104
44
1930s
27
70
1940s
18
16
1950s
3
18
1960s
16
12
1970s
8
6
1990s
9
·
2000s
3
3
2010s
16
3
2020s
9
3

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 1892, the latest in 2023. Period of observation: 1892-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 88.0°F — Jan 6, 1921 21.0°F — Jan 26, 1905 3.47 in — Jan 12, 2015
February 90.0°F — Feb 15, 1935 19.0°F — Feb 7, 1895 3.55 in — Feb 3, 1970
March 97.0°F — Mar 30, 1907 27.0°F — Mar 14, 1932 5.02 in — Mar 15, 1960
April 99.0°F — Apr 24, 1923 37.0°F — Apr 2, 1919 2.74 in — Apr 25, 1918
May 102.0°F — May 31, 1945 46.9°F — May 3, 1925 4.44 in — May 29, 1932
June 102.0°F — Jun 18, 1998 55.0°F — Jun 13, 1913 6.05 in — Jun 4, 1968
July 100.9°F — Jul 2, 1998 1.2°F — Jul 31, 2009 8.19 in — Jul 25, 1960
August 100.9°F — Aug 1, 1922 63.0°F — Aug 10, 1893 5.14 in — Aug 6, 2021
September 102.9°F — Sep 8, 1921 50.0°F — Sep 20, 1910 8.43 in — Sep 16, 1945
October 98.1°F — Oct 1, 1904 37.9°F — Oct 24, 1937 8.02 in — Oct 18, 1910
November 93.0°F — Nov 11, 1935 28.0°F — Nov 28, 1903 5.25 in — Nov 25, 2014
December 91.0°F — Dec 5, 1928 18.0°F — Dec 28, 1894 4.25 in — Dec 1, 1925

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