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 beginning of December brings a slight decrease in the average high-temperature, transitioning from a moderate 56.8°F (13.8°C) in November to a chilly 49.3°F (9.6°C). Throughout the month of December, the nighttime temperature dips to an average of 36°F (2.2°C).Humidity
March and December, with an average relative humidity of 80%, are the most humid months in Black Jack, Tennessee.Rainfall
In Black Jack, in December, it is raining for 13.4 days, with typically 3.86" (98mm) of accumulated precipitation. In Black Jack, during the entire year, the rain falls for 183 days and collects up to 43.19" (1097mm) of precipitation.Snowfall
January through April, November and December are months with snowfall in Black Jack, Tennessee. In Black Jack, during December, snow falls for 3.1 days and regularly aggregates up to 1.02" (26mm) of snow. In Black Jack, during the entire year, snow falls for 17.2 days and aggregates up to 4.53" (115mm) of snow.Daylight
December has the shortest days of the year in Black Jack, with an average of 9h and 48min of daylight.On the first day of December, sunrise is at 6:35 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 4:42 pm CST.
Sunshine
The average sunshine in December in Black Jack is 4.7h.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 minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 2 during December leads to these instructions:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Frequently asked questions
What is the average December temperature in Black Jack?
What are the most humid months in Black Jack?
What is the average humidity in December in Black Jack?
How much does it rain in Black Jack in December?
How many days does it snow in December in Black Jack?
What is the month with the shortest days in Black Jack?
What is the average length of the day in December in Black Jack?
When are sunrise and sunset in December in Black Jack?
How many hours of sunshine does Black Jack have in December?
What is the month with the lowest UV index in Black Jack?
What is the UV index reading in December in Black Jack?
Average temperature in December
Black Jack, TN
- Average high temperature in December: 49.3°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (45.1°F).
- Average low temperature in December: 36°F
The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).
Average pressure in December
Black Jack, 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 (29.98"Hg).
Average wind speed in December
Black Jack, TN
- Average wind speed in December: 7.4mph
The windiest month (with the highest average wind speed) is February (8.1mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).
Average humidity in December
Black Jack, TN
- Average humidity in December: 80%
The months with the highest relative humidity are March and December (80%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in December
Black Jack, TN
- Average rainfall in December: 3.86"
The wettest month (with the highest rainfall) is July (4.72").
The driest month (with the least rainfall) is September (2.28").
Average rainfall days in December
Black Jack, TN
- Average rainfall days in December: 13.4 days
The month with the highest number of rainy days is July (21 days).
The month with the least rainy days is November (10.3 days).
Average snowfall in December
Black Jack, TN
- Average snowfall in December: 1.02"
The month with the highest snowfall is February (1.34").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Black Jack, TN
- Average snowfall days in December: 3.1 days
The month with the highest number of snowfall days is January (5.2 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
Black Jack, 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 month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in December
Black Jack, TN
- Average sunshine days in December: 14.9 days
The month with the most sunshine days is October (17.8 days).
The month with the least sunshine days is July (8.1 days).
Average UV index in December
Black Jack, 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
Black Jack, TN
- Average cloud cover in December: 52
The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in December
Black Jack, TN
- Average visibility in December: 5mi
The months with the highest visibility are February, March, April, June, September, October and November (6mi).
The months with the lowest visibility are January, May, July, August and December (5mi).
Black Jack, Tennessee, USA
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