Knoxville, Tennessee, United States climate

Average temperatures, precipitation and all-time records for Knoxville, Tennessee, United States, with every day graded against ~45 years of local climate history (1981–2026). Its warmest month is August, averaging a high of 88°F, and its coldest is January, with an average low of 27°F.

Knoxville is a city in Knox County, Tennessee, United States, and its county seat. Located on the Tennessee River within the Appalachian Mountains, it is the largest city in the Grand Division of East Tennessee. via Wikipedia

How today compares

Latest recorded day: 2026-07-21. Each reading placed on Knoxville, Tennessee, United States's own ±7-day seasonal distribution.

High 94°F High · 89th pct

Low 77°F Near Record · 99th pct

Feels-like 98°F Normal · 43rd pct

Humidity 20.3 g/m³ Very High · 97th pct

Wind 16 mph Near Record · 99th pct

Precip 0.00 in Dry

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Knoxville average temperatures by month

Typical daily high and low, and average precipitation, for each month in Knoxville, Tennessee, United States, based on 1981–2026 records. The wettest month is February (0.20 in on an average day).

Month	Avg high	Avg low	Avg precip
January	45°F	27°F	0.10 in
February	50°F	31°F	0.20 in
March	58°F	37°F	0.10 in
April	68°F	45°F	0.10 in
May	75°F	55°F	0.10 in
June	83°F	64°F	0.10 in
July	88°F	68°F	0.20 in
August	88°F	66°F	0.10 in
September	83°F	60°F	0.10 in
October	72°F	48°F	0.10 in
November	60°F	37°F	0.10 in
December	49°F	31°F	0.10 in

Jan 14°–59°

Feb 20°–63°

Mar 24°–70°

Apr 34°–77°

May 44°–82°

Jun 57°–90°

Jul 63°–94°

Aug 61°–95°

Sep 51°–91°

Oct 37°–81°

Nov 25°–71°

Dec 21°–62°

Each bar spans the 10th-percentile daily low to the 90th-percentile daily high (the range most days fall within), coloured cold → hot on a shared -10°F to 115°F scale, so the whole year's rhythm reads at a glance.

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Record extremes

Hottest day on record: 105°F on 2012-06-29
Coldest day on record: -9°F on 1994-01-19

All Knoxville weather records →

Percentiles compare each day to Knoxville, Tennessee, United States's own history, so grades are relative to this location: a “Near Record” day here isn't the same temperature as elsewhere. How the grades work →