December weather forecastOoltewah, TN
December
Weather in December
December, the first month of the winter in Ooltewah, is still a cool month, with an average temperature varying between 36.5°F (2.5°C) and 50.7°F (10.4°C).Temperature
As December arrives, Ooltewah's weather displays a minor decrease in high-temperatures, transitioning from November's moderate 58.6°F (14.8°C) to a fresh 50.7°F (10.4°C). During the month of December, the nighttime temperature falls to an average of 36.5°F (2.5°C).Humidity
With an average relative humidity of 80%, December is the most humid month in Ooltewah.Rainfall
In December, the rain falls for 12.5 days. Throughout December, 3.58" (91mm) of precipitation is accumulated. In Ooltewah, during the entire year, the rain falls for 156.7 days and collects up to 34.02" (864mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In December, in Ooltewah, it is snowing for 1.1 days. Throughout December, 0.31" (8mm) of snow is accumulated. Throughout the year, there are 6.6 snowfall days, and 2.17" (55mm) of snow is accumulated.Daylight
The month with the shortest days in Ooltewah is December, with an average of 9h and 48min of daylight.On the first day of December, sunrise is at 7:30 am and sunset at 5:28 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 5:38 pm EST.
Sunshine
With an average of 5h of sunshine, December has the least sunshine of the year in Ooltewah, Tennessee.UV index
The months with the lowest UV index are January and 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 rays for the ordinary person.Note: The maximum daily UV index of 2 during December translates into the following directions:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Ooltewah, TN
- Average high temperature in December: 50.7°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 (46.8°F).
- Average low temperature in December: 36.5°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure in December
Ooltewah, 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
Ooltewah, TN
- Average wind speed in December: 6.1mph
The windiest month (with the highest average wind speed) is February (6.8mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in December
Ooltewah, 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 and October (74%).
Average rainfall in December
Ooltewah, TN
- Average rainfall in December: 3.58"
The wettest month (with the highest rainfall) is February (3.62").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in December
Ooltewah, TN
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is November (8.5 days).
Average snowfall in December
Ooltewah, TN
- Average snowfall in December: 0.31"
The month with the highest snowfall is February (0.87").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Ooltewah, TN
- Average snowfall days in December: 1.1 days
The month with the highest number of snowfall days is February (2.2 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
Ooltewah, 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: 5h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in December
Ooltewah, TN
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in December
Ooltewah, 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 and December (UV index 2).
Average cloud cover in December
Ooltewah, 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 29).
Average visibility in December
Ooltewah, TN
- Average visibility in December: 5mi
The months with the highest visibility are February, March, April, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, May and December (5mi).





