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 average high-temperature slightly decreases in December, shifting from a mild 57.9°F (14.4°C) in November to a fresh 50°F (10°C). Throughout December, Mount Cumberland anticipates an average low-temperature of 35.8°F (2.1°C).Humidity
The most humid month in Mount Cumberland is December, with an average relative humidity of 79%.Rainfall
In Mount Cumberland, during December, the rain falls for 8.8 days and regularly aggregates up to 1.65" (42mm) of precipitation. Throughout the year, there are 122.6 rainfall days, and 17.44" (443mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In December, it is snowing for 1.4 days. Throughout December, 0.2" (5mm) of snow is accumulated. In Mount Cumberland, during the entire year, snow falls for 8.3 days and aggregates up to 1.5" (38mm) of snow.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:29 am and sunset at 5:25 pm. On the last day of December, sunrise is at 7:47 am and sunset at 5:35 pm EST.
Sunshine
January and December, with an average of 5.1h of sunshine, are months with the least sunshine.UV index
January, February 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 exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 2 during December translates into the following directions:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Frequently asked questions
What is the temperature in December in Mount Cumberland?
What is the most humid month in Mount Cumberland?
What is the average humidity in December in Mount Cumberland?
How many days does it rain in December in Mount Cumberland?
How much does it snow in Mount Cumberland in December?
What is the month with the shortest days in Mount Cumberland?
How many hours of daylight does Mount Cumberland have in December?
When is the sunrise / sunset in December in Mount Cumberland?
What is the month with the least sunshine in Mount Cumberland?
How long on average sun shines in December in Mount Cumberland?
What are the months with the lowest UV index in Mount Cumberland?
What is the UV index intensity in December in Mount Cumberland?
Average temperature in December
Mount Cumberland, TN
- Average high temperature in December: 50°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (46°F).
- Average low temperature in December: 35.8°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in December
Mount Cumberland, 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
Mount Cumberland, TN
- Average wind speed in December: 5.9mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest months (with the lowest average wind speed) are July and August (4mph).
Average humidity in December
Mount Cumberland, 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, July, August, September, October and November (75%).
Average rainfall in December
Mount Cumberland, TN
- Average rainfall in December: 1.65"
The wettest month (with the highest rainfall) is July (2.09").
The driest month (with the least rainfall) is September (0.79").
Average rainfall days in December
Mount Cumberland, TN
- Average rainfall days in December: 8.8 days
The month with the highest number of rainy days is July (13.5 days).
The month with the least rainy days is November (6.7 days).
Average snowfall in December
Mount Cumberland, TN
- Average snowfall in December: 0.2"
The month with the highest snowfall is February (0.47").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Mount Cumberland, TN
- Average snowfall days in December: 1.4 days
The month with the highest number of snowfall days is January (2.5 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 Cumberland, 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: 5h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The months with the least sunshine are January and December (Average sunshine: 5h and 6min).
Average sunshine days in December
Mount Cumberland, TN
- Average sunshine days in December: 20.7 days
The month with the most sunshine days is October (22.3 days).
The month with the least sunshine days is July (15.3 days).
Average UV index in December
Mount Cumberland, 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 Cumberland, TN
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in December
Mount Cumberland, TN
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Mount Cumberland, Tennessee, USA
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