If you plan to visit Knoxville in December, the weather is typically alright, with an average high temperature of +52°F during the day and approximately 6 sunny days. Expect some rainy, though, as there are typically 12 rainy days in the month and around 109 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flightsin one click on Avionero.
Average weather
☀️
+52°F
Avg. max. temperature
-2°F
Min.
+77°F
Max.
109 mm
Total precipitation
73%
Avg. humidity
2 m/s
Avg. wind
6 ☀️
Sunny Days
11 ⛅️
Cloudy
12 🌦
Rainy
Our opinion: Knoxville has OK weather in December.
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Average temperature in Knoxville in December
Here are the expected maximum, average and minimum temperatures in Knoxville for December based on the historical data.
Last Year
Historical Data
Going from a maximum of +66°F during the day to a minimum of +25°F during the night, the temperature in December averages around +54°F.
The average maximum temperature goes up 9% by the end of the month, compared with the beginning of the month, from +50°F to +54°F.
Is Knoxville warm or cold in December?
Knoxville is typically chill in December.
Maximum temperatures go down compared to the previous month from +61°F to +52°F. The minimum temperature also goes down from +41°F to +36°F.
Pack a jumper and a jacket as there will be cooler temperatures.
December is one of the coolest months in Knoxville, here is the comparison with other months:
Climate in Knoxville in December
Knoxville weather looks like this, on average, in December and the surrounding months.
November
December
January
Avg. temperature
+61°F
+52°F
+48°F
Min. temperature
+18°F
-2°F
-20°F
Max. temperature
+84°F
+77°F
+75°F
Rainfall
90 mm
109 mm
99 mm
Wind
1 m/s
2 m/s
2 m/s
Humidity
71%
73%
71%
Air pressure
1019 HPa
1020 HPa
1020 HPa
Sunny days
8
6
5
Cloudy days
10
11
11
Rainy days
11
12
11
Snowy days
0
2
4
December typically has worse weather conditions compared to November.It’s getting colder in December. From +61°F in the day, the average maximum temperature lowers to +52°F.Prepare for more rain. Average rainfall goes from 90 mm to 109 mm.Humidity rises from 71% to 73%.Winds are stronger in comparison to November, going up from 1 m/s to 2 m/s on average.The days becoming less sunny, going from 8 sunny days in November to 6 in December.
January brings much the same weather, it remains ok.
Wind speed in Knoxville in December based on historical data.
Last Year
Historical Data
The average wind speed is 2 m/s getting up to 5 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Knoxville is gradually increasing during December, going from 1 m/s to 5 m/s over the course of the month.
Rain
Amount of rainfall in mm during December in Knoxville based on historical data.
Last Year
Historical Data
Typically, there is a 39% chance of rain on an average day in December, with total rainfall of approximately 188 mm. The maximum amount of rainfall per day is around 43 mm, which is moderate rain.December is a pretty wet month with over 12 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
December is one of the rainiest months in Knoxville, here is a comparison with other months, total mm:
Knoxville wettest month is July, where a typical day has a 61% chance of precipitation and 125 mm of rainfall per day. October, on the other hand, is the driest month with a mere 35% chance of precipitation and 75 mm of rainfall per day.
Snow
Amount of snow in mm during December in Knoxville based on historical data.
Last Year
Historical Data
Typically, there is a 0% chance of snow on an average day in December, with a total monthly snowfall of approximately 0 mm.
December is one of the snowiest months in Knoxville.
Here’s how December is compared with other months in the amount of snow, total mm:
How was the weather last December in Knoxville?
This is the weather in Knoxville in December 2024:
1 December
🌫️
+50°F
2 December
🌫️
+57°F
3 December
🌫️
+63°F
4 December
☁️
+60°F
5 December
☁️
+52°F
6 December
🌧️
+46°F
7 December
☀️
+55°F
8 December
☀️
+60°F
9 December
🌫️
+55°F
10 December
🌫️
+56°F
11 December
☁️
+45°F
12 December
☀️
+51°F
13 December
☀️
+57°F
14 December
☀️
+58°F
15 December
☀️
+58°F
16 December
☀️
+56°F
17 December
🌧️
+54°F
18 December
☁️
+52°F
19 December
☀️
+40°F
20 December
☀️
+47°F
21 December
☀️
+55°F
22 December
☀️
+58°F
23 December
☀️
+59°F
24 December
☁️
+65°F
25 December
☁️
+59°F
26 December
🌫️
+62°F
27 December
🌫️
+56°F
28 December
☁️
+47°F
29 December
☁️
+41°F
30 December
☁️
+41°F
31 December
☁️
+54°F
In December 2024 Knoxville had 12 sunny days, 10 cloudy days, and 2 rainy days. The average maximum temperature was +54°F, with an absolute maximum of +66°F and a minimum of +39°F. The average humidity was 71%, with a maximum of 99% and a minimum of 22%. The average wind speed was 2 m/s, with a maximum of 11 m/s and a minimum of 0 m/s.
Are you planning a trip in December?
Climate Change Over the Years
This is how Knoxville climate has changed over the last 43 years.
The climate in Knoxville in December has not changed that much over the last 43 years.
The average temperature was the lowest in 1979 (+67°F) and the highest in 2016 (+73°F). The driest year was 2007 with only 700 mm of rainfall, and the wettest year was 2019 with 2090 mm.
FAQ
Frequently asked questions about the weather in Knoxville in December:
Is December a good time to visit Knoxville?
It’s always a good time to visit Knoxville, but the weather is changeable in December, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.
Can you sunbathe in Knoxville in December?
Not really, December is not the best time to sunbathe, unless you visit a local solarium.
Is Knoxville rainy in December?
Knoxville is often rainy in December. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.
Is it sunny in Knoxville in December?
Usually, it’s not very sunny in Knoxville in December, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.
For this page, we’ve looked at the typical weather in Knoxville, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
