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Early winter · Weather & things to do

Knoxville in December

Knoxville cools off: highs slip to 51°F (11°C), from 61°F in November, with lows of 33°F (0°C) and about 4.9 in (124 mm) of rain.

With a comfort score of 57/100 (11th of 12), it's one of the toughest months, held back mainly by cool days.

Knoxville, Tennessee, United States
Avg high
51°F (11°C)
Avg low
33°F (0°C)
Rain
4.9 in (124 mm)
Humidity
82%
Cloud cover
63%
Daylight
~9 h 34 min
Comfort score
57/100 · Fair

What December feels like

It's cool, with highs near 51°F (11°C), so a proper jacket stays on most of the day.

Lows average 33°F (0°C).

Expect regular rain: about 4.9 in (124 mm) falls in the month.

Knoxville: December compared with the months either side
NovemberDecemberJanuary
Avg high61°F16°C51°F11°C47°F8°C
Avg low38°F4°C33°F0°C29°F-1°C
Rain3.9 in100 mm4.9 in124 mm4.2 in106 mm
Daylight10 h 03 min9 h 34 min9 h 49 min
Comfort805753

Plan around December

December is one of the lower-scoring months here; the best are October.

What to pack for December

What to do in Knoxville in December

Weather can go either way, so the picks below mix open-air spots with indoor backups.

Nearby in December

NASA POWER 2001–2025 monthly averages on a ~50 km grid, temperatures adjusted from the grid cell's ~424 m to Knoxville's ~275 m elevation (standard lapse rate). Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.

Knoxville in December: quick answers

Is December a good time to visit Knoxville?

It's one of the tougher months here, scoring 57/100, held back mainly by cool days. The best months are October. Expect highs of 51°F (11°C) and 4.9 in (124 mm) of rain. Our Smokies Weekend route recommends Apr – Oct, so December is outside its suggested window.

How cold is Knoxville in December?

Average highs are 51°F (11°C) and average lows 33°F (0°C), making it the 2nd-coldest month by daytime highs.

Does it rain a lot in Knoxville in December?

Yes: about 4.9 in (124 mm) of rain falls across December on average, the 2nd-wettest month of the year. The annual total is about 51.5 in (1308 mm).

What should I pack for Knoxville in December?

Bring insulated jacket (highs only 51°F), rain jacket and waterproof shoes (4.9 in of rain on average) and comfortable walking shoes (most places below are best reached on foot or with short walks).

Planning Knoxville in December?

Plan it together in TripsCircle: one itinerary, one shared packing list and costs split as you go.

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