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 aligns with a soft reduction in the average high-temperature, gently falling from a refreshing 55.6°F (13.1°C) in November to a chilly 48°F (8.9°C). Throughout the month of December, Ninemile witnesses an average low-temperature of 34.3°F (1.3°C).Humidity
December is the most humid month in Ninemile, with an average relative humidity of 81%.Rainfall
In Ninemile, in December, during 13.5 rainfall days, 3.23" (82mm) of precipitation is typically accumulated. Throughout the year, there are 183.1 rainfall days, and 37.68" (957mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In Ninemile, in December, during 3.1 snowfall days, 0.94" (24mm) of snow is typically accumulated. Throughout the year, there are 17.4 snowfall days, and 3.46" (88mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 48min of daylight.On the first day of the month, sunrise is at 6:32 am and sunset at 4:27 pm. On the last day of December, sunrise is at 6:50 am and sunset at 4:37 pm CST.
Sunshine
The average sunshine in December is 4.8h.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 minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: In December, the average maximum UV index of 2 translates into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Around midday, solar radiation is most harmful; hence, exposure should be limited. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature in Ninemile?
What is the most humid month?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Ninemile have in December?
When are sunrise and sunset in December?
How many hours of sunshine does Ninemile have in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Ninemile, TN
- Average high temperature in December: 48°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (43.3°F).
- Average low temperature in December: 34.3°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (28.9°F).
Average pressure in December
Ninemile, TN
- Average pressure in December: 30.15"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Ninemile, TN
- Average wind speed in December: 6.3mph
The windiest month (with the highest average wind speed) is February (7mph).
The calmest months (with the lowest average wind speed) are July and August (4mph).
Average humidity in December
Ninemile, TN
- Average humidity in December: 81%
The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are October and November (77%).
Average rainfall in December
Ninemile, TN
- Average rainfall in December: 3.23"
The wettest month (with the highest rainfall) is July (4.45").
The driest month (with the least rainfall) is November (2.01").
Average rainfall days in December
Ninemile, TN
- Average rainfall days in December: 13.5 days
The month with the highest number of rainy days is July (20.8 days).
The month with the least rainy days is November (9.9 days).
Average snowfall in December
Ninemile, TN
- Average snowfall in December: 0.94"
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
Ninemile, TN
- Average snowfall days in December: 3.1 days
The month with the highest number of snowfall days is January (5.7 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
Ninemile, 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 5min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
Ninemile, TN
- Average sunshine days in December: 14.5 days
The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is July (8.7 days).
Average UV index in December
Ninemile, 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 and December (UV index 2).
Average cloud cover in December
Ninemile, TN
- Average cloud cover in December: 52
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 32).
Average visibility in December
Ninemile, TN
- Average visibility in December: 5mi
The months with the highest visibility are June and November (6mi).
The months with the lowest visibility are January, February, March, April, May, July, August, September, October and December (5mi).
Ninemile, Tennessee, USA
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