December weather forecast and climate
Gatlinburg, TN

What is the temperature in December in Gatlinburg?

In Gatlinburg, in December, the average high-temperature is 50.7°F (10.4°C), and the average low-temperature is 27.7°F (-2.4°C).

How much does it rain in Gatlinburg in December?

In Gatlinburg, in December, it is raining for 14 days, with typically 4.3" (109.7mm) of accumulated precipitation.

How much does it snow in Gatlinburg in December?

In Gatlinburg, Tennessee, in December, typically, 1.4" (35.6mm) of snow is accumulated.
Average temperature in December - Gatlinburg, TN
  • Average high temperature in December: 50.8°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (48.4°F).

  • Average low temperature in December: 27.7°F

The month with the highest average low temperature is July (62.3°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

Average rainfall in December - Gatlinburg, TN
  • Average rainfall in December: 4.3"

The wettest month (with the highest rainfall) is May (5.9").
The driest month (with the lowest rainfall) is October (2.7").

Average rainfall days in December - Gatlinburg, TN
  • Average rainfall days in December: 14 days

The month with the highest number of rainy days is May (15 days).
Months with the lowest number of rainy days are September and October (10 days).

Average snowfall in December - Gatlinburg, TN
  • Average snowfall in December: 1.4"

The month with the highest snowfall is January (3.6").
Months with the lowest snowfall are May, June, July, August, September and October (0").

Average daylight in December / Average sunshine in December - Gatlinburg, TN
  • Average daylight in December: 9.8h

The month with the longest days is June (Average daylight: 14.6h).
The month with shortest days is December (Average daylight: 9.8h).

  • Average sunshine in December: 4h

Months with most sunshine are May, June and July (Average sunshine: 9h).
The month with least sunshine is December (Average sunshine: 4h).

Average UV index in December - Gatlinburg, TN
  • Average UV index in December: 2

Months with the highest UV index are June and July (UV index 10).
The month with the lowest UV index is December (UV index 2).

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