December weather forecastLookout Mountain, GA
December
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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: 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: 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: 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: 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: 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: 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: 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: 9h and 54min
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 54min
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: 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: 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: 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: 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).





