All-time weather records — Harriman, TN

Record high
106.0°F
July 1, 2012
Record low
0.0°F
January 29, 2014
Wettest day
7.03 in
February 9, 1990

Climate change signal in Harriman

42.1%

of Harriman's all-time daily heat records were set in the last decade (154 of 366 records since 2015).

41.8%

of all-time daily cold records were set in the last decade (153 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 #
1880s
·
·
1890s
·
·
1900s
·
·
1910s
·
·
1920s
·
·
1930s
·
·
1940s
·
·
1950s
·
·
1960s
·
·
1970s
·
·
1980s
·
·
1990s
·
·
2000s
145
150
2010s
146
142
2020s
75
74

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 2000, the latest in 2026. Period of observation: 1884-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 82.0°F — Jan 12, 2023 0.0°F — Jan 29, 2014 3.84 in — Jan 3, 2020
February 81.0°F — Feb 24, 2023 3.0°F — Feb 19, 2015 7.03 in — Feb 9, 1990
March 86.0°F — Mar 26, 2007 15.1°F — Mar 3, 2009 4.70 in — Mar 30, 1886
April 89.1°F — Apr 11, 2001 25.0°F — Apr 8, 2007 4.20 in — Apr 5, 1977
May 93.9°F — May 31, 2006 32.0°F — May 9, 2020 5.05 in — May 6, 2003
June 104.0°F — Jun 30, 2012 46.9°F — Jun 5, 2015 3.97 in — Jun 6, 1973
July 106.0°F — Jul 1, 2012 35.1°F — Jul 5, 2014 4.55 in — Jul 6, 1967
August 102.0°F — Aug 17, 2007 53.1°F — Aug 26, 2015 3.71 in — Aug 20, 2015
September 99.0°F — Sep 3, 2011 39.9°F — Sep 26, 2001 5.70 in — Sep 18, 2012
October 95.0°F — Oct 2, 2019 28.9°F — Oct 26, 2013 3.27 in — Oct 1, 1915
November 84.0°F — Nov 2, 2016 16.0°F — Nov 27, 2016 4.77 in — Nov 28, 1973
December 75.0°F — Dec 28, 2015 3.0°F — Dec 24, 2022 5.50 in — Dec 31, 1997

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