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 onset of December brings a small shift in high-temperatures, falling from a refreshing 57.4°F (14.1°C) in November to a chilly 49.6°F (9.8°C). An average low-temperature of 35.8°F (2.1°C) is noted during the nights in December in Southern Hills.Humidity
The months with the highest humidity in Southern Hills are March and December, with an average relative humidity of 79%.Rainfall
In December, the rain falls for 12.7 days. Throughout December, 3.11" (79mm) of precipitation is accumulated. Throughout the year, there are 172.4 rainfall days, and 38.43" (976mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Southern Hills, in December, snow falls for 1.4 days, with typically accumulated 0.43" (11mm) of snow. Throughout the year, there are 8.9 snowfall days, and 2.8" (71mm) of snow is accumulated.Daylight
December has the shortest days of the year in Southern Hills, with an average of 9h and 48min of daylight.On the first day of December, sunrise is at 6:39 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 4:45 pm CST.
Sunshine
In Southern Hills, the average sunshine in December is 4.7h.UV index
December is the month with the lowest UV index in Southern Hills, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, a daily UV index of 2 turns into the following recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Frequently asked questions
What is the usual temperature for Southern Hills in December?
What are the most humid months in Southern Hills?
What is the average humidity in December in Southern Hills?
How many days does it rain in December in Southern Hills?
How much does it snow in Southern Hills in December?
What is the month with the shortest days in Southern Hills?
What is the average length of the day in December in Southern Hills?
What time are sunrise and sunset in December in Southern Hills?
How long on average sun shines in December in Southern Hills?
What is the month with the lowest UV index in Southern Hills?
What is the UV index reading in December in Southern Hills?
Average temperature in December
Southern Hills, TN
- Average high temperature in December: 49.6°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (45.3°F).
- Average low temperature in December: 35.8°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 (30.9°F).
Average pressure in December
Southern Hills, TN
- 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 (29.97"Hg).
Average wind speed in December
Southern Hills, TN
- Average wind speed in December: 8mph
The windiest month (with the highest average wind speed) is February (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity in December
Southern Hills, TN
- Average humidity in December: 79%
The months with the highest relative humidity are March and December (79%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Southern Hills, TN
- Average rainfall in December: 3.11"
The wettest months (with the highest rainfall) are February and July (4.06").
The driest month (with the least rainfall) is September (2.36").
Average rainfall days in December
Southern Hills, TN
- Average rainfall days in December: 12.7 days
The month with the highest number of rainy days is July (19.6 days).
The month with the least rainy days is November (9.9 days).
Average snowfall in December
Southern Hills, TN
- Average snowfall in December: 0.43"
The month with the highest snowfall is February (1.06").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Southern Hills, TN
- Average snowfall days in December: 1.4 days
The months with the highest number of snowfall days are January and February (2.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Southern Hills, TN
- 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 48min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).
Average sunshine days in December
Southern Hills, TN
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is July (9.9 days).
Average UV index in December
Southern Hills, TN
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Southern Hills, TN
- Average cloud cover in December: 51
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in December
Southern Hills, TN
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
Southern Hills, Tennessee, USA
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