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 transition into December subtly indicates a reduction in the average high-temperature, down to a frosty 49.1°F (9.5°C) from November's moderate 57.2°F (14°C). An average nighttime temperature of 35.1°F (1.7°C) is noted in Powell, Tennessee, during the month of December.Humidity
The months with the highest humidity are February and December, with an average relative humidity of 78%.Rainfall
In Powell, during December, the rain falls for 12.2 days and regularly aggregates up to 3.07" (78mm) of precipitation. Throughout the year, there are 148.9 rainfall days, and 29.57" (751mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Powell. In Powell, during December, snow falls for 1.7 days and regularly aggregates up to 0.47" (12mm) of snow. Throughout the year, there are 11.5 snowfall days, and 3.94" (100mm) of snow is accumulated.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 7:28 am and sunset at 5:21 pm. On the last day of December, in Powell, sunrise is at 7:46 am and sunset at 5:32 pm EST.
Sunshine
The average sunshine in December is 5h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Powell. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the UV index of 2 transforms into the following advice:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December in Powell?
What are the most humid months in Powell?
What is the average humidity in December in Powell?
How many days does it rain in December in Powell?
How much does it snow in Powell in December?
What is the month with the shortest days in Powell?
What is the average length of the day in December in Powell?
When are sunrise and sunset in December in Powell?
How many hours of sunshine does Powell have in December?
What are the months with the lowest UV index in Powell?
How high is the UV index in December in Powell?
Average temperature in December
Powell, TN
- Average high temperature in December: 49.1°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (44.8°F).
- Average low temperature in December: 35.1°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (29.3°F).
Average pressure in December
Powell, TN
- Average pressure in December: 30.14"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
Powell, TN
- Average wind speed in December: 5.2mph
The windiest month (with the highest average wind speed) is April (6mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in December
Powell, TN
- Average humidity in December: 78%
The months with the highest relative humidity are February and December (78%).
The month with the lowest relative humidity is August (70%).
Average rainfall in December
Powell, TN
- Average rainfall in December: 3.07"
The wettest month (with the highest rainfall) is February (3.66").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in December
Powell, TN
- Average rainfall days in December: 12.2 days
The month with the highest number of rainy days is July (16.2 days).
The month with the least rainy days is November (8.4 days).
Average snowfall in December
Powell, TN
- Average snowfall in December: 0.47"
The month with the highest snowfall is February (1.57").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Powell, TN
- Average snowfall days in December: 1.7 days
The month with the highest number of snowfall days is January (3.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Powell, TN
- Average daylight in December: 9h and 5min
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 48min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in December
Powell, TN
- Average sunshine days in December: 17 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (12.9 days).
Average UV index in December
Powell, 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
Powell, TN
- Average cloud cover in December: 50
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in December
Powell, 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).
Powell, Tennessee, USA
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