December weather forecastHalf Moon Shores, TN

December

Weather in December

December, the first month of the winter in Half Moon Shores, 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

December ushers in a minor alteration in Half Moon Shores's climate, with the average high-temperature moving from November's moderate 56.1°F (13.4°C) to a chilly 48.6°F (9.2°C). Half Moon Shores reports a consistent average low-temperature of 34.7°F (1.5°C) throughout December nights.

Humidity

December is the most humid month, with an average relative humidity of 80%.

Rainfall

In December, the rain falls for 13.5 days. Throughout December, 3.62" (92mm) of precipitation is accumulated. In Half Moon Shores, during the entire year, the rain falls for 176.6 days and collects up to 39.41" (1001mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. In Half Moon Shores, Tennessee, during December, snow falls for 2.2 days and regularly aggregates up to 0.63" (16mm) of snow. In Half Moon Shores, during the entire year, snow falls for 11.6 days and aggregates up to 3.15" (80mm) of snow.

Daylight

The month with the shortest days 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 5:25 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 5:35 pm EST.

Sunshine

January and December, with an average of 4.9h of sunshine, are months with the least sunshine.

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the average person.
Note: In December, a daily maximum UV index of 2 leads to the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Updated: Jun 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Half Moon Shores, 48.6°F (9.2°C) is the average high-temperature and 34.7°F (1.5°C) is the average low-temperature during December. The average heat index (a.k.a. 'felt air temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in August is computed to be 96.8°F (36°C).

With an average relative humidity of 80%, December is the most humid month.

In December, the average relative humidity is 80%.

In Half Moon Shores, in December, it is raining for 13.5 days, with typically 3.62" (92mm) of accumulated precipitation.

In Half Moon Shores, in December, during 2.2 snowfall days, 0.63" (16mm) of snow is typically accumulated.

December has the shortest days of the year, with an average of 9h and 48min of daylight.

In December, the average day length is 9h and 47min.

In December, on the first day of the month, sunrise is at 7:30 am and sunset at 5:25 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 5:35 pm EST.

January and December, with an average of 4.9h of sunshine, are months with the least sunshine.

In December, the average sunshine duration is 4.9h.

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index.

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Half Moon Shores, TN

  • Average high temperature in December: 48.6°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 (43.7°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
Half Moon Shores, 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
Half Moon Shores, TN

  • Average wind speed in December: 5.7mph

The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).

Average humidity in December
Half Moon Shores, TN

  • Average humidity in December: 80%

The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is November (76%).

Average rainfall in December
Half Moon Shores, TN

  • Average rainfall in December: 3.62"

The wettest month (with the highest rainfall) is July (4.29").
The driest month (with the least rainfall) is September (2.32").

Average rainfall days in December
Half Moon Shores, TN

  • Average rainfall days in December: 13.5 days

The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is November (10.7 days).

Average snowfall in December
Half Moon Shores, TN

  • Average snowfall in December: 0.63"

The month with the highest snowfall is February (1.18").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Half Moon Shores, TN

  • Average snowfall days in December: 2.2 days

The months with the highest number of snowfall days are January and February (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Half Moon Shores, 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 54min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The months with the least sunshine are January and December (Average sunshine: 4h and 54min).

Average sunshine days in December
Half Moon Shores, TN

  • Average sunshine days in December: 15.5 days

The months with the most sunshine days are October and November (18.5 days).
The month with the least sunshine days is July (9.4 days).

Average UV index in December
Half Moon Shores, 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
Half Moon Shores, TN

  • Average cloud cover in December: 50

The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 31).

Average visibility in December
Half Moon Shores, TN

  • Average visibility in December: 5mi

The months with the highest visibility are April, June, October and November (6mi).
The months with the lowest visibility are January, February, March, May, July, August, September and December (5mi).