December weather forecast
Lookout Mountain, GA

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Weather in December

The first month of the winter, December, is still a cool month in Lookout Mountain, Georgia, with an average temperature fluctuating between 36.3°F (2.4°C) and 50.2°F (10.1°C).

Temperature

As December commences, the average high-temperature subtly reduces, transitioning from a moderate 57.6°F (14.2°C) in November to a cool 50.2°F (10.1°C). In December, the average low-temperature in Lookout Mountain records at an icy 36.3°F (2.4°C) during the nights.

Humidity

December is the most humid month, 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, snow falls for 2.2 days, with typically accumulated 0.59" (15mm) of snow. In Lookout Mountain, during the entire year, snow falls for 13.2 days and aggregates up to 4.17" (106mm) of snow.

Daylight

The month with the shortest days in Lookout Mountain, Georgia, is December, 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

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

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
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Frequently asked questions

What are December temperatures in Lookout Mountain?

The average high-temperature, in December, in Lookout Mountain, is 50.2°F (10.1°C), while the average low-temperature is 36.3°F (2.4°C). In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is estimated at 87.8°F (31°C).

What is the most humid month in Lookout Mountain?

December is the most humid month in Lookout Mountain, Georgia, with an average relative humidity of 80%.

What is the average humidity in December in Lookout Mountain?

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

What is the wettest month in Lookout Mountain?

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

How many days does it rain in December in Lookout Mountain?

In December, the rain falls for 13.7 days. Throughout December, 4.37" (111mm) of precipitation is accumulated.

How many days does it snow in December in Lookout Mountain?

In Lookout Mountain, during December, snow falls for 2.2 days and regularly aggregates up to 0.59" (15mm) of snow.

What is the month with the shortest days in Lookout Mountain?

With an average of 9h and 54min of daylight, December has the shortest days of the year in Lookout Mountain.

What is the average length of the day in December in Lookout Mountain?

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

When are sunrise and sunset in December in Lookout Mountain?

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

What is the month with the least sunshine in Lookout Mountain?

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

How long on average sun shines in December in Lookout Mountain?

The average sunshine duration in December in Lookout Mountain is 4.9h.

What is the month with the lowest UV index in Lookout Mountain?

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

What is the UV index reading in December in Lookout Mountain?

The average daily maximum UV index in December in Lookout Mountain is 2. A UV Index value of 2, and less, symbolizes a low health threat from unprotected exposure to UV radiation.
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).

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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).

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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).

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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%).

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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").

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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).

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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").

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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).

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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).

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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).

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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).

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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).

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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).

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Lookout Mountain, Georgia, USA

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