December weather forecastDyllis, TN
December
Weather in December
December, the first month of the winter in Dyllis, is still a chilly month, with an average temperature fluctuating between 34.7°F (1.5°C) and 48.6°F (9.2°C).Temperature
The commencement of December includes a gentle temperature shift, with the average high-temperature dropping a bit from a refreshing 56.3°F (13.5°C) in November to a frosty 48.6°F (9.2°C). During December, Dyllis's temperature averages to an icy 34.7°F (1.5°C) at night.Humidity
December is the most humid month, with an average relative humidity of 80%.Rainfall
In Dyllis, during December, the rain falls for 13.4 days and regularly aggregates up to 2.87" (73mm) of precipitation. In Dyllis, during the entire year, the rain falls for 169.5 days and collects up to 34.09" (866mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Dyllis, in December, during 2.8 snowfall days, 0.47" (12mm) of snow is typically accumulated. In Dyllis, during the entire year, snow falls for 15.2 days and aggregates up to 2.76" (70mm) 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 December, sunrise is at 7:30 am and sunset at 5:23 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 5:33 pm EST.
Sunshine
January and December, with an average of 4.8h 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 estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum UV index of 2 in December translates into the following recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Dyllis, TN
- Average high temperature in December: 48.6°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (44.1°F).
- Average low temperature in December: 34.7°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).
Average pressure in December
Dyllis, 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
Dyllis, TN
- Average wind speed in December: 5.5mph
The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in December
Dyllis, TN
- Average humidity in December: 80%
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are June, August, October and November (76%).
Average rainfall in December
Dyllis, TN
- Average rainfall in December: 2.87"
The wettest month (with the highest rainfall) is July (4.09").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in December
Dyllis, TN
- Average rainfall days in December: 13.4 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is November (8.9 days).
Average snowfall in December
Dyllis, TN
- Average snowfall in December: 0.47"
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
Dyllis, TN
- Average snowfall days in December: 2.8 days
The month with the highest number of snowfall days is January (4.8 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
Dyllis, TN
- Average daylight in December: 9h and 48min
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: 4h and 48min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The months with the least sunshine are January and December (Average sunshine: 4h and 48min).
Average sunshine days in December
Dyllis, TN
- Average sunshine days in December: 15.9 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is July (10.7 days).
Average UV index in December
Dyllis, 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
Dyllis, TN
- Average cloud cover in December: 51
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in December
Dyllis, TN
- Average visibility in December: 5mi
The months with the highest visibility are June, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, July, August, September and December (5mi).
