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 arrival of December correlates with a minor temperature reduction, down from November's moderate 57.9°F (14.4°C) to a cool 50.2°F (10.1°C). During the nights in December, Sylco observes an average low-temperature of 36.1°F (2.3°C).Humidity
The most humid month in Sylco is December, with an average relative humidity of 81%.Rainfall
In Sylco, during December, the rain falls for 14.2 days and regularly aggregates up to 4.45" (113mm) of precipitation. Throughout the year, there are 184.5 rainfall days, and 47.24" (1200mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, October through December. In Sylco, Tennessee, during December, snow falls for 1.8 days and regularly aggregates up to 0.55" (14mm) of snow. Throughout the year, there are 11.6 snowfall days, and 4.37" (111mm) of snow is accumulated.Daylight
The month with the shortest days in Sylco is December, with an average of 9h and 48min of daylight.On the first day of the month, sunrise is at 7:28 am and sunset at 5:26 pm. On the last day of December, in Sylco, sunrise is at 7:46 am and sunset at 5:37 pm EST.
Sunshine
The month with the least sunshine is December, with an average of 5h of sunshine.UV index
The months with the lowest UV index in Sylco are January, February and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the average person.Note: The UV index of 2 during December translates into the following guidance:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature in Sylco?
What is the most humid month in Sylco?
What is the average humidity in December in Sylco?
How many days does it rain in December in Sylco?
How much does it snow in Sylco in December?
What is the month with the shortest days in Sylco?
How many hours of daylight does Sylco have in December?
When are sunrise and sunset in December in Sylco?
What is the month with the least sunshine in Sylco?
How long on average sun shines in December in Sylco?
When is the lowest UV index in Sylco?
What is the UV index intensity in December in Sylco?
Average temperature in December
Sylco, TN
- Average high temperature in December: 50.2°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 (46°F).
- Average low temperature in December: 36.1°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).
Average pressure in December
Sylco, 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
Sylco, TN
- Average wind speed in December: 6mph
The windiest month (with the highest average wind speed) is February (6.7mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in December
Sylco, TN
- Average humidity in December: 81%
The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are August, October and November (76%).
Average rainfall in December
Sylco, TN
- Average rainfall in December: 4.45"
The wettest month (with the highest rainfall) is July (4.84").
The driest month (with the least rainfall) is September (2.91").
Average rainfall days in December
Sylco, TN
- Average rainfall days in December: 14.2 days
The month with the highest number of rainy days is July (20 days).
The month with the least rainy days is November (10.3 days).
Average snowfall in December
Sylco, TN
- Average snowfall in December: 0.55"
The month with the highest snowfall is February (1.61").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in December
Sylco, TN
- Average snowfall days in December: 1.8 days
The month with the highest number of snowfall days is February (3.6 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
Sylco, 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 0min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in December
Sylco, TN
- Average sunshine days in December: 15.4 days
The month with the most sunshine days is October (19 days).
The month with the least sunshine days is July (8.7 days).
Average UV index in December
Sylco, 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
Sylco, TN
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in December
Sylco, 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).
Sylco, Tennessee, USA
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