December weather forecastClifton, TN
December
Weather in December
The first month of the winter, December, is also a fresh month in Clifton, Tennessee, with an average temperature ranging between min 36.9°F (2.7°C) and max 50°F (10°C).Temperature
Clifton's weather in December involves a mild decrease in the average high-temperature, moving down slightly from November's moderate 58.3°F (14.6°C) to a fresh 50°F (10°C). Clifton usually reports an average low-temperature of 36.9°F (2.7°C) during the month of December.Humidity
The months with the highest humidity are March and December, with an average relative humidity of 79%.Rainfall
In Clifton, in December, during 13.5 rainfall days, 3.5" (89mm) of precipitation is typically accumulated. Throughout the year, in Clifton, there are 178.9 rainfall days, and 41.57" (1056mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Clifton, Tennessee, in December, during 1.8 snowfall days, 0.83" (21mm) of snow is typically accumulated. Throughout the year, there are 10.7 snowfall days, and 3.43" (87mm) 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 6:43 am and sunset at 4:39 pm. On the last day of December, sunrise is at 7:00 am and sunset at 4:49 pm CST.
Sunshine
In Clifton, Tennessee, the average sunshine in December is 4.7h.UV index
The month with the lowest UV index in Clifton is December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In December, a regular UV index of 2 translates into these guidelines:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Clifton, TN
- Average high temperature in December: 50°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 (45.7°F).
- Average low temperature in December: 36.9°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (32°F).
Average pressure in December
Clifton, 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
Clifton, TN
- Average wind speed in December: 7.8mph
The windiest month (with the highest average wind speed) is February (8.3mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).
Average humidity in December
Clifton, TN
- Average humidity in December: 79%
The months with the highest relative humidity are March and December (79%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Clifton, TN
- Average rainfall in December: 3.5"
The wettest month (with the highest rainfall) is February (4.84").
The driest months (with the least rainfall) are September and November (2.52").
Average rainfall days in December
Clifton, TN
- Average rainfall days in December: 13.5 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is November (10.4 days).
Average snowfall in December
Clifton, TN
- Average snowfall in December: 0.83"
The month with the highest snowfall is February (0.87").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Clifton, TN
- Average snowfall days in December: 1.8 days
The month with the highest number of snowfall days is February (3.4 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
Clifton, TN
- Average daylight in December: 9h and 48min
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 42min
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 36min).
Average sunshine days in December
Clifton, TN
- Average sunshine days in December: 14.8 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is July (8.8 days).
Average UV index in December
Clifton, TN
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Clifton, TN
- Average cloud cover in December: 50
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in December
Clifton, TN
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, May and July (5mi).





