All-time weather records — Altamont, TN

Record high
100.0°F
June 30, 2012
Record low
-13.0°F
January 18, 2024
Wettest day
6.15 in
April 28, 2011

Climate change signal in Altamont

34.7%

of Altamont's all-time daily heat records were set in the last decade (127 of 366 records since 2015).

33.6%

of all-time daily cold records were set in the last decade (123 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 #
1990s
27
19
2000s
132
153
2010s
153
119
2020s
54
75

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 1999, the latest in 2026. Period of observation: 1999-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 72.0°F — Jan 31, 2002 -13.0°F — Jan 18, 2024 2.91 in — Jan 3, 2020
February 78.1°F — Feb 24, 2023 -4.0°F — Feb 19, 2015 4.17 in — Feb 6, 2020
March 82.9°F — Mar 26, 2007 8.1°F — Mar 1, 2002 3.62 in — Mar 1, 2018
April 84.9°F — Apr 20, 2025 18.0°F — Apr 8, 2007 6.15 in — Apr 28, 2011
May 88.0°F — May 31, 2011 23.0°F — May 7, 2021 6.11 in — May 6, 2003
June 100.0°F — Jun 30, 2012 41.0°F — Jun 7, 2000 2.75 in — Jun 5, 2016
July 98.1°F — Jul 1, 2012 46.9°F — Jul 1, 2008 3.50 in — Jul 2, 2021
August 98.1°F — Aug 24, 2007 44.1°F — Aug 14, 2004 3.27 in — Aug 26, 2008
September 95.0°F — Sep 6, 1999 32.0°F — Sep 23, 1999 5.25 in — Sep 17, 2004
October 91.9°F — Oct 4, 2019 21.0°F — Oct 26, 2013 2.67 in — Oct 7, 2021
November 82.0°F — Nov 4, 2003 10.0°F — Nov 22, 2008 3.50 in — Nov 28, 2011
December 71.1°F — Dec 12, 2007 -5.1°F — Dec 24, 2022 3.85 in — Dec 26, 2015

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