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
December's arrival in Mount Juliet aligns with a minor decrease in average high-temperatures, from November's refreshing 56.7°F (13.7°C) to a chilly 48.7°F (9.3°C). In December, the nighttime temperature lowers to an average of 35.1°F (1.7°C).Humidity
With an average relative humidity of 79%, December is the most humid month.Rainfall
In Mount Juliet, during December, the rain falls for 11.6 days and regularly aggregates up to 1.81" (46mm) of precipitation. Throughout the year, in Mount Juliet, there are 159.4 rainfall days, and 25.12" (638mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In December, it is snowing for 2.9 days. Throughout December, 0.51" (13mm) of snow is accumulated. In Mount Juliet, during the entire year, snow falls for 13.8 days and aggregates up to 2.6" (66mm) of snow.Daylight
December has the shortest days of the year in Mount Juliet, with an average of 9h and 42min of daylight.On the first day of the month, sunrise is at 6:39 am and sunset at 4:31 pm. On the last day of December, in Mount Juliet, Tennessee, sunrise is at 6:57 am and sunset at 4:41 pm CST.
Sunshine
The average sunshine in December in Mount Juliet is 4.7h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Mount Juliet. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The daily high UV index of 2 during December translates into the following recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature in Mount Juliet?
What is the most humid month in Mount Juliet?
What is the average humidity in December in Mount Juliet?
How much does it rain in Mount Juliet in December?
How many days does it snow in December in Mount Juliet?
What is the month with the shortest days in Mount Juliet?
How many hours of daylight does Mount Juliet have in December?
When are sunrise and sunset in December in Mount Juliet?
How many hours of sunshine does Mount Juliet have in December?
What are the months with the lowest UV index in Mount Juliet?
What is the UV index reading in December in Mount Juliet?
Average temperature in December
Mount Juliet, TN
- Average high temperature in December: 48.7°F
The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (44.1°F).
- Average low temperature in December: 35.1°F
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).
Average pressure in December
Mount Juliet, 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
Mount Juliet, TN
- Average wind speed in December: 7.3mph
The windiest month (with the highest average wind speed) is February (8mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in December
Mount Juliet, TN
- Average humidity in December: 79%
The month with the highest relative humidity is December (79%).
The months with the lowest relative humidity are June, October and November (74%).
Average rainfall in December
Mount Juliet, TN
- Average rainfall in December: 1.81"
The wettest month (with the highest rainfall) is July (3.46").
The driest month (with the least rainfall) is November (1.42").
Average rainfall days in December
Mount Juliet, TN
- Average rainfall days in December: 11.6 days
The month with the highest number of rainy days is July (19.1 days).
The month with the least rainy days is November (8.7 days).
Average snowfall in December
Mount Juliet, TN
- Average snowfall in December: 0.51"
The month with the highest snowfall is January (0.83").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Mount Juliet, TN
- Average snowfall days in December: 2.9 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 and September (0 days).
Average daylight in December /
Average sunshine in December
Mount Juliet, TN
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in December
Mount Juliet, TN
- Average sunshine days in December: 16.7 days
The months with the most sunshine days are October and November (19.3 days).
The month with the least sunshine days is July (9.9 days).
Average UV index in December
Mount Juliet, TN
- 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, February and December (UV index 2).
Average cloud cover in December
Mount Juliet, TN
- Average cloud cover in December: 52
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in December
Mount Juliet, TN
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Mount Juliet, Tennessee, USA
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