December weather forecast
Lookout Mountain, GA

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Weather in December

December, the first month of the winter in Lookout Mountain, is also a fresh month, with temperature in the range of an average low of 36.3°F (2.4°C) and an average high of 50.2°F (10.1°C).

Temperature

A subtle shift in Lookout Mountain's weather is observed as November turns into December, with the average high temperature reducing from a refreshing 57.6°F (14.2°C) to a cool 50.2°F (10.1°C). In Lookout Mountain, December nights witness a steady temperature drop to a cold 36.3°F (2.4°C).

Humidity

The most humid month is December, with an average relative humidity of 80%.

Rainfall

The month with the most rainfall is December, when the rain falls for 13.7 days and typically aggregates up to 4.37" (111mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. In Lookout Mountain, in December, during 2.2 snowfall days, 0.59" (15mm) of snow is typically accumulated. In Lookout Mountain, during the entire year, snow falls for 13.2 days and aggregates up to 4.17" (106mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 54min of daylight.
On the first day of the month, sunrise is at 7:31 am and sunset at 5:30 pm. On the last day of December, sunrise is at 7:49 am and sunset at 5:40 pm EST.

Sunshine

December has the least sunshine of the year, with an average of 4.9h of sunshine.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum high daily UV index of 2 during December translates into the following directions:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Updated: Aug 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are December temperatures?

During December, Lookout Mountain experiences an average high-temperature of 50.2°F (10.1°C) and a low-temperature of 36.3°F (2.4°C). The average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, in September is calculated to be 87.8°F (31°C).

What is the most humid month?

With an average relative humidity of 80%, December is the most humid month.

What is the average humidity in December?

In Lookout Mountain, the average relative humidity in December is 80%.

What is the wettest month?

December is the month with the most rainfall. Rain falls for 13.7 days and accumulates 4.37" (111mm) of precipitation.

How many days does it rain in December?

In Lookout Mountain, in December, it is raining for 13.7 days, with typically 4.37" (111mm) of accumulated precipitation.

How much does it snow in Lookout Mountain in December?

In December, it is snowing for 2.2 days. Throughout December, 0.59" (15mm) of snow is accumulated.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 54min of daylight.

How many hours of daylight does Lookout Mountain have in December?

In Lookout Mountain, the average day length in December is 9h and 52min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 7:31 am and sunset at 5:30 pm. On the last day of the month, sunrise is at 7:49 am and sunset at 5:40 pm EST.

What is the month with the least sunshine?

With an average of 4.9h of sunshine, December has the least sunshine of the year.

How many hours of sunshine does Lookout Mountain have in December?

In Lookout Mountain, the average sunshine duration in December is 4.9h.

What are the months with the lowest UV index?

The months with the lowest UV index are January and December, with an average maximum UV index of 2.

What is the UV index intensity in December?

In December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Lookout Mountain, GA

Average temperature in December - Lookout Mountain, GA
  • Average high temperature in December: 50.2°F

The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (46°F).

  • Average low temperature in December: 36.3°F

The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).

Average pressure in December
Lookout Mountain, GA

Average pressure in December - Lookout Mountain, GA
  • Average pressure in December: 30.15"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

Average wind speed in December
Lookout Mountain, GA

Average wind speed in December - Lookout Mountain, GA
  • Average wind speed in December: 5.7mph

The windiest month (with the highest average wind speed) is February (6.4mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).

Average humidity in December
Lookout Mountain, GA

Average humidity in December - Lookout Mountain, GA
  • Average humidity in December: 80%

The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are June, July, August, October and November (75%).

Average rainfall in December
Lookout Mountain, GA

Average rainfall in December - Lookout Mountain, GA
  • Average rainfall in December: 4.37"

The wettest month (with the highest rainfall) is December (4.37").
The driest month (with the least rainfall) is September (2.56").

Average rainfall days in December
Lookout Mountain, GA

Average rainfall days in December - Lookout Mountain, GA
  • Average rainfall days in December: 13.7 days

The month with the highest number of rainy days is July (19.6 days).
The month with the least rainy days is November (9.8 days).

Average snowfall in December
Lookout Mountain, GA

Average snowfall in December - Lookout Mountain, GA
  • Average snowfall in December: 0.59"

The month with the highest snowfall is February (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Lookout Mountain, GA

Average snowfall days in December - Lookout Mountain, GA
  • Average snowfall days in December: 2.2 days

The month with the highest number of snowfall days is January (4.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Lookout Mountain, GA

Average daylight in December / Average sunshine in December - Lookout Mountain, GA
  • Average daylight in December: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in December: 4h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).

Average sunshine days in December
Lookout Mountain, GA

Average sunshine days in December - Lookout Mountain, GA
  • Average sunshine days in December: 15.1 days

The month with the most sunshine days is October (18.9 days).
The month with the least sunshine days is July (9.4 days).

Average UV index in December
Lookout Mountain, GA

Average UV index in December - Lookout Mountain, GA
  • Average UV index in December: 2

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).

Average cloud cover in December
Lookout Mountain, GA

Average cloud cover in December - Lookout Mountain, GA
  • Average cloud cover in December: 50

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 31).

Average visibility in December
Lookout Mountain, GA

Average visibility in December - Lookout Mountain, GA
  • Average visibility in December: 5mi

The months with the highest visibility are June, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, July, August, September and December (5mi).

Lookout Mountain, Georgia, USA

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