December weather forecastPorter Court, TN
December
Weather in December
December, the first month of the winter in Porter Court, is still a chilly month, with an average temperature fluctuating between 35.6°F (2°C) and 47.8°F (8.8°C).Temperature
December reveals a small adjustment in temperature, transitioning from an average high of a refreshing 56.5°F (13.6°C) in November to a chilly 47.8°F (8.8°C). Throughout the month of December, Porter Court observes an average nighttime temperature of 35.6°F (2°C).Humidity
The average relative humidity in December in Porter Court, Tennessee, is 79%.Rainfall
In Porter Court, during December, the rain falls for 12.5 days and regularly aggregates up to 3.43" (87mm) of precipitation. In Porter Court, during the entire year, the rain falls for 165.6 days and collects up to 37.64" (956mm) of precipitation.Snowfall
January through March, November and December are months with snowfall in Porter Court. In Porter Court, during December, snow falls for 1.5 days and regularly aggregates up to 0.71" (18mm) of snow. In Porter Court, during the entire year, snow falls for 10.5 days and aggregates up to 4.06" (103mm) of snow.Daylight
December has the shortest days of the year in Porter Court, with an average of 9h and 42min of daylight.On the first day of the month, sunrise is at 6:46 am and sunset at 4:38 pm. On the last day of December, in Porter Court, sunrise is at 7:04 am and sunset at 4:48 pm CST.
Sunshine
In December, the average sunshine in Porter Court is 4.8h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Porter Court. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index of 2 during December translates into these guidelines:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Porter Court, TN
- Average high temperature in December: 47.8°F
The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is January (43.5°F).
- Average low temperature in December: 35.6°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).
Average pressure in December
Porter Court, TN
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Porter Court, TN
- Average wind speed in December: 8.1mph
The windiest months (with the highest average wind speed) are January, February and April (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in December
Porter Court, TN
- Average humidity in December: 79%
The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Porter Court, TN
- Average rainfall in December: 3.43"
The wettest month (with the highest rainfall) is February (4.17").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in December
Porter Court, TN
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is November (10.3 days).
Average snowfall in December
Porter Court, TN
- Average snowfall in December: 0.71"
The month with the highest snowfall is February (1.22").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Porter Court, TN
- Average snowfall days in December: 1.5 days
The month with the highest number of snowfall days is January (4.1 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
Porter Court, TN
- Average daylight in December: 9h and 42min
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 42min).
- Average sunshine in December: 4h and 48min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Porter Court, TN
- Average sunshine days in December: 16.2 days
The month with the most sunshine days is October (19.3 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in December
Porter Court, TN
- Average UV index in December: 2
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in December
Porter Court, TN
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June and September (Cloud cover 28).
Average visibility in December
Porter Court, TN
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





