Thermograph

How unusual is the weather? Graded against ~45 years of local climate history.

Knoxville, Tennessee, United States weather records

Record high and low temperatures for Knoxville, Tennessee, United States, by month, by season, and all-time, with the dates they occurred, across 1981–2026 of daily climate history. Its hottest day on record reached 105°F on 2012-06-29; its coldest fell to -9°F on 1994-01-19.

Records by month

The warmest (▲) and coldest (▼) both the daytime high and the overnight low have ever been in each calendar month, so each column shows its record high and its record low. Tap a month for its full averages and typical range.

MonthDaytime highOvernight low
January
73°F2022-01-01
10°F1982-01-10
62°F2022-01-01
-9°F1994-01-19
February
75°F2023-02-23
10°F1996-02-04
60°F2023-02-23
-8°F1996-02-05
March
83°F2007-03-25
23°F1996-03-08
62°F2020-03-28
10°F1993-03-15
April
87°F1986-04-27
32°F1987-04-04
65°F1991-04-29
21°F2007-04-08
May
92°F2007-05-30
48°F2011-05-17
70°F2006-05-30
34°F1989-05-08
June
105°F2012-06-29
66°F1997-06-07
77°F2025-06-25
44°F2003-06-02
July
104°F2012-07-01
73°F1994-07-27
77°F2011-07-21
53°F1983-07-07
August
104°F1983-08-21
71°F2004-08-12
78°F2007-08-22
46°F1986-08-29
September
99°F2011-09-02
61°F1984-09-30
73°F1998-09-06
38°F1993-09-30
October
97°F2019-10-03
40°F1993-10-31
72°F2019-10-03
25°F2017-10-30
November
84°F2003-11-03
31°F2014-11-18
62°F2004-11-02
17°F2019-11-13
December
74°F2001-12-05
10°F1989-12-22
59°F2015-12-25
-3°F1983-12-25

Records by season

The warmest (▲) and coldest (▼) both the daytime high and the overnight low have reached in each meteorological season (Northern Hemisphere, each a three-month span).

SeasonDaytime highOvernight low
Winter (Dec–Feb)
75°F2023-02-23
10°F1989-12-22
62°F2022-01-01
-9°F1994-01-19
Spring (Mar–May)
92°F2007-05-30
23°F1996-03-08
70°F2006-05-30
10°F1993-03-15
Summer (Jun–Aug)
105°F2012-06-29
66°F1997-06-07
78°F2007-08-22
44°F2003-06-02
Autumn (Sep–Nov)
99°F2011-09-02
31°F2014-11-18
73°F1998-09-06
17°F2019-11-13

All-time records

The most extreme value Knoxville has recorded for each metric across its entire history.

High

Highest 105°F 2012-06-29
Lowest 10°F 1989-12-22

Low

Highest 78°F 2007-08-22
Lowest -9°F 1994-01-19

Feels-like

Highest 130°F 2012-07-01
Lowest -30°F 1985-01-20

Humidity

Highest 21.9 g/m³ 2020-07-31
Lowest 0.8 g/m³ 1982-01-10

Wind

Highest 26 mph 2024-01-12
Lowest 2 mph 2006-08-01

Precip

Wettest 3.72 in 2011-09-05
Driest 24-day dry spell 2001-10-26

For rainfall, the “driest” figure is the longest run of consecutive days without measurable rain, dated to when that dry spell began.

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