All-time weather records — Jefferson, GA

Record high
106.0°F
July 2, 2012
Record low
-5.1°F
January 21, 1985
Wettest day
6.32 in
October 4, 1995

Climate change signal in Jefferson

17.8%

of Jefferson's all-time daily heat records were set in the last decade (65 of 366 records since 2015).

1.9%

of all-time daily cold records were set in the last decade (7 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 #
1950s
25
50
1960s
61
180
1970s
50
34
1980s
90
57
1990s
43
15
2000s
15
5
2010s
63
23
2020s
19
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 1957, the latest in 2025. Period of observation: 1957-2025.

Records by month

Month Hottest day Coldest day Wettest day
January 78.1°F — Jan 30, 1975 -5.1°F — Jan 21, 1985 4.19 in — Jan 20, 1969
February 80.1°F — Feb 8, 2019 3.0°F — Feb 18, 1958 4.24 in — Feb 21, 1961
March 88.0°F — Mar 11, 1974 10.0°F — Mar 6, 1960 4.40 in — Mar 25, 2020
April 93.9°F — Apr 24, 1960 23.0°F — Apr 10, 1960 5.39 in — Apr 20, 2019
May 97.0°F — May 20, 1985 30.0°F — May 2, 1963 4.70 in — May 29, 1976
June 104.0°F — Jun 30, 2012 42.1°F — Jun 2, 1966 4.85 in — Jun 27, 1994
July 106.0°F — Jul 2, 2012 39.9°F — Jul 13, 2013 5.50 in — Jul 28, 1960
August 105.1°F — Aug 21, 1983 48.9°F — Aug 7, 1957 4.37 in — Aug 20, 1998
September 99.0°F — Sep 2, 1957 28.9°F — Sep 30, 1967 5.68 in — Sep 17, 2004
October 97.0°F — Oct 3, 2019 21.0°F — Oct 27, 1962 6.32 in — Oct 4, 1995
November 86.0°F — Nov 1, 2016 9.0°F — Nov 30, 1959 4.70 in — Nov 2, 2015
December 79.0°F — Dec 18, 1984 0.0°F — Dec 24, 1983 3.35 in — Dec 12, 1961

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