Climateby Month

Knoxville, TN weather in January

NOAA 1991-2020 normals and daily records · Knoxville all year

In January, Knoxville sees highs around 48°F and lows around 26°F: chilly, with frequent rain. Expect about 12 wet days. Snowfall averages about 1.7 in. It is one of the coldest months in Knoxville.

Normal high
48°F
Normal low
26°F
Wet days
12
5.2 in total
Snowfall
1.7 in
snow on the ground 2 days

How January changes from start to finish

Normal values at the start and end of January
January 1January 31
Normal high48°F49°F
Normal low28°F27°F
Chance of a wet day38%37%
Sunrise / sunset7:46 am / 5:32 pm7:36 am / 6:01 pm
Daylight9.8 h10.4 h

Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Eastern Time).

A typical January day

  1. 6 am35°Fdew point 29°F
  2. 9 am35°Fdew point 29°F
  3. Noon42°Fdew point 30°F
  4. 3 pm46°Fdew point 30°F
  5. 6 pm43°Fdew point 30°F
  6. 9 pm40°Fdew point 30°F

NOAA hourly normals (local standard time) from Knoxville Mcghee Tyson Airport (11 mi away); average wind 7 mph.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F2 of 31
  • Hot dayshigh 90°F or more0 of 31
  • Muggy daysdaily mean dew point 65°F or more0 of 31
  • Wet daysat least 0.01 in of rain or melted snow12 of 31
  • Notable rainat least 0.10 in9 of 31
  • Freezing nightslow 32°F or below22 of 31
  • Snow on the groundsnow depth 1 in or more2 of 31

Average days per January, counted from daily records for each year 1991-2020.

Rain and snow in January

Normal precipitation is 5.2 in; a dry January brings about 3.4 in and a wet one about 6.5 in (25th and 75th percentiles). About 4 days bring half an inch or more, and about 2 an inch or more. Normal snowfall is 1.7 in, with about 1 day of an inch or more.

How January varies from year to year

  • Warmest January, 1991-20202006: average high 56°F
  • Coolest January1994: average high 40°F
  • Wettest January2013: 13.0 in
  • Driest January2018: 2.2 in
  • Highest reading75°F (January 31, 2002)
  • Lowest reading-7°F (January 19, 1994)

From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.

January compared with December and February

DecemberJanuaryFebruary
Normal high51°F48°F53°F
Normal low30°F26°F29°F
Wet days111211
Comfortable days324
Daylight9.8 h10.0 h10.9 h

Highs change by -3°F from December and +5°F into February.

Nearby alternatives in January

How Knoxville ranks in January

  • Normal high193rd warmest of 378 cities; 4th of 7 in Tennessee
  • Wet days302nd driest of 378
  • Comfortable days183rd most of 339

What to pack for Knoxville in January

  • A warm jacket – lows near 26°F, highs near 48°F
  • A rain jacket or umbrella – rain or snow on about 12 days
  • A hat and gloves – about 22 freezing nights

Heating and cooling

January has 863 heating degree days and 0 cooling degree days (base 65°F), 16% of the year's total heating and cooling demand.

Questions

How cold is Knoxville in January?

The normal high is 48°F and the normal low is 26°F. From 1991 to 2020 the coldest January reading was -7°F (January 19, 1994).

Does it rain a lot in Knoxville in January?

About 12 days in January have at least 0.01 in of precipitation, and the normal total is 5.2 in. The wettest January in 1991-2020 was in 2013 (13.0 in); the driest was in 2018 (2.2 in).

Does it snow in Knoxville in January?

Yes. Normal snowfall in January is 1.7 in, and snow covers the ground on about 2 days.

Is January a good time to visit Knoxville?

January ranks 12th of 12 months on our comfort score for Knoxville (38 out of 100). It has about 2 comfortable days. The best months are April and October.

Where the numbers come from

  • Temperature, rain and frost dates: Knoxville Exp Stn (USC00404946), 4.8 mi SSW of the city center, 830 ft (69 ft lower than the city). NOAA normals and daily records, 1991-2020.
  • Snowfall, snow depth and humidity and wind by hour: Knoxville Mcghee Tyson Airport (USW00013891), 11 mi SSW of the city center, 962 ft (63 ft higher than the city). NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Mc Ghee Tyson Airport (723260-13891), 11 mi SSW of the city center, 970 ft (71 ft higher than the city). Hourly observations, 1991-2020.
  • Not available for this location: cloud cover (no station close enough or similar enough in elevation).