Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The transition to December results in a modest reduction in average high-temperature, moving from a mild 59.4°F (15.2°C) in November to a cool 52.5°F (11.4°C). An average low-temperature of 38.3°F (3.5°C) is observed during December nights in Tumlin Heights, Georgia.Humidity
The most humid month is December, with an average relative humidity of 78%.Rainfall
The month with the most rainfall is December, when the rain falls for 13.6 days and typically aggregates up to 4.25" (108mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. The month with the most snowfall is December, when snow falls for 0.6 days and typically aggregates up to 1.54" (39mm) of snow.Daylight
With an average of 9h and 54min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:23 am and sunset at 5:25 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:36 pm EST.
Sunshine
With an average of 5.2h of sunshine, December has the least sunshine of the year.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: A maximum daily UV index of 2 during December morphs into the following directions:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What is the most humid month?
What is the average humidity in December?
What is the rainiest month?
How many days does it rain in December?
When does it snow the most?
How much does it snow in Tumlin Heights in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Tumlin Heights, GA
- Average high temperature in December: 52.5°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (48.6°F).
- Average low temperature in December: 38.3°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).
Average pressure in December
Tumlin Heights, GA
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in December
Tumlin Heights, GA
- Average wind speed in December: 6.6mph
The windiest month (with the highest average wind speed) is January (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in December
Tumlin Heights, GA
- Average humidity in December: 78%
The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are July, August, October and November (73%).
Average rainfall in December
Tumlin Heights, GA
- Average rainfall in December: 4.25"
The wettest month (with the highest rainfall) is December (4.25").
The driest month (with the least rainfall) is October (2.36").
Average rainfall days in December
Tumlin Heights, GA
- Average rainfall days in December: 13.6 days
The month with the highest number of rainy days is July (20.9 days).
The month with the least rainy days is October (10.1 days).
Average snowfall in December
Tumlin Heights, GA
- Average snowfall in December: 1.54"
The month with the highest snowfall is December (1.54").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Tumlin Heights, GA
- Average snowfall days in December: 0.6 days
The month with the highest number of snowfall days is February (1.7 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
Tumlin Heights, GA
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in December
Tumlin Heights, GA
- Average sunshine days in December: 15.8 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (7.8 days).
Average UV index in December
Tumlin Heights, 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
Tumlin Heights, GA
- Average cloud cover in December: 44
The months with the most cloud cover are February and December (Cloud cover 44).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in December
Tumlin Heights, GA
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is December (5mi).
Tumlin Heights, Georgia, USA
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