All-time weather records — Mountain City, TN

Record high
97.0°F
June 30, 2012
Record low
-24.0°F
December 13, 1962
Wettest day
4.03 in
October 16, 1964

Climate change signal in Mountain City

17.5%

of Mountain City's all-time daily heat records were set in the last decade (64 of 366 records since 2015).

4.9%

of all-time daily cold records were set in the last decade (18 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
12
28
1960s
64
136
1970s
41
55
1980s
27
31
1990s
55
66
2000s
63
20
2010s
82
20
2020s
22
10

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 2026. Period of observation: 1956-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 75.9°F — Jan 31, 2002 -20.0°F — Jan 22, 1970 2.65 in — Jan 18, 2010
February 79.0°F — Feb 23, 2018 -18.0°F — Feb 5, 1996 2.00 in — Feb 22, 2003
March 84.9°F — Mar 14, 1973 -11.0°F — Mar 13, 1960 3.27 in — Mar 12, 1963
April 88.0°F — Apr 18, 1976 14.0°F — Apr 9, 1972 2.95 in — Apr 20, 2019
May 89.1°F — May 21, 2022 21.9°F — May 2, 1963 3.37 in — May 28, 1995
June 97.0°F — Jun 30, 2012 28.0°F — Jun 1, 1966 2.55 in — Jun 29, 1995
July 97.0°F — Jul 1, 2012 34.0°F — Jul 15, 2019 3.62 in — Jul 16, 2023
August 95.0°F — Aug 17, 2007 35.1°F — Aug 29, 1986 3.80 in — Aug 8, 2016
September 93.9°F — Sep 5, 1975 28.0°F — Sep 25, 1963 3.86 in — Sep 26, 2024
October 91.0°F — Oct 2, 2019 10.0°F — Oct 27, 1962 4.03 in — Oct 16, 1964
November 82.9°F — Nov 5, 2003 1.9°F — Nov 25, 1970 2.70 in — Nov 12, 2020
December 77.0°F — Dec 6, 2001 -24.0°F — Dec 13, 1962 3.10 in — Dec 5, 1993

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