December weather forecast
Watt Heights, TN

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Weather in December

December, the first month of the winter in Watt Heights, is still a cool month, with an average temperature ranging between min 36.1°F (2.3°C) and max 50.5°F (10.3°C).

Temperature

Watt Heights's December weather features a light decline in high-temperatures, reducing from a refreshing 58.1°F (14.5°C) in November to a fresh 50.5°F (10.3°C). Watt Heights, in December, witnesses an average low-temperature of 36.1°F (2.3°C).

Humidity

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

Rainfall

In December, in Watt Heights, the rain falls for 11.4 days. Throughout December, 2.36" (60mm) of precipitation is accumulated. Throughout the year, there are 148 rainfall days, and 23.9" (607mm) of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall. In Watt Heights, Tennessee, during December, snow falls for 0.7 days and regularly aggregates up to 0.24" (6mm) of snow. Throughout the year, there are 5.2 snowfall days, and 1.77" (45mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 48min of daylight.
On the first day of the month, sunrise is at 7:29 am and sunset at 5:26 pm. On the last day of December, sunrise is at 7:47 am and sunset at 5:37 pm EST.

Sunshine

The month with the least sunshine in Watt Heights, Tennessee, is December, with an average of 5.1h of sunshine.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Watt Heights. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for average individuals.
Note: The daily high UV index of 2 in December translates into this advice:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
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Frequently asked questions

What are the temperatures in Watt Heights in December?

In December, the average high-temperature and low-temperature are 50.5°F (10.3°C) and 36.1°F (2.3°C) respectively. The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, in September is appraised at 87.8°F (31°C).

What is the most humid month in Watt Heights?

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

What is the average humidity in December in Watt Heights?

The average relative humidity in December is 80%.

How much does it rain in Watt Heights in December?

In Watt Heights, during December, the rain falls for 11.4 days and regularly aggregates up to 2.36" (60mm) of precipitation.

How many days does it snow in December in Watt Heights?

In Watt Heights, Tennessee, in December, snow falls for 0.7 days, with typically accumulated 0.24" (6mm) of snow.

What is the month with the shortest days in Watt Heights?

The month with the shortest days is December, with an average of 9h and 48min of daylight.

What is the average length of the day in December in Watt Heights?

The average day length in December in Watt Heights, Tennessee, is 9h and 49min.

When is the sunrise / sunset in December in Watt Heights?

In December, on the first day of the month, sunrise is at 7:29 am and sunset at 5:26 pm. On the last day of the month, in Watt Heights, sunrise is at 7:47 am and sunset at 5:37 pm EST.

What is the month with the least sunshine in Watt Heights?

December has the least sunshine of the year in Watt Heights, Tennessee, with an average of 5.1h of sunshine.

How many hours of sunshine does Watt Heights have in December?

In December, the average sunshine duration in Watt Heights, Tennessee, is 5.1h.

What are the months with the lowest UV index in Watt Heights?

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

What is the UV index intensity in December in Watt Heights?

In Watt Heights, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Watt Heights, TN

Average temperature in December - Watt Heights, TN
  • Average high temperature in December: 50.5°F

The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (46.4°F).

  • Average low temperature in December: 36.1°F

The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (30.9°F).

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Average pressure in December
Watt Heights, TN

Average pressure in December - Watt Heights, 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).

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Average wind speed in December
Watt Heights, TN

Average wind speed in December - Watt Heights, TN
  • Average wind speed in December: 6mph

The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).

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Average humidity in December
Watt Heights, TN

Average humidity in December - Watt Heights, 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, July, August, September, October and November (75%).

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Average rainfall in December
Watt Heights, TN

Average rainfall in December - Watt Heights, TN
  • Average rainfall in December: 2.36"

The wettest month (with the highest rainfall) is July (2.64").
The driest month (with the least rainfall) is September (1.3").

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Average rainfall days in December
Watt Heights, TN

Average rainfall days in December - Watt Heights, TN
  • Average rainfall days in December: 11.4 days

The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is November (7.3 days).

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Average snowfall in December
Watt Heights, TN

Average snowfall in December - Watt Heights, TN
  • Average snowfall in December: 0.24"

The month with the highest snowfall is February (0.75").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in December
Watt Heights, TN

Average snowfall days in December - Watt Heights, TN
  • Average snowfall days in December: 0.7 days

The month with the highest number of snowfall days is February (1.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Watt Heights, TN

Average daylight in December / Average sunshine in December - Watt Heights, 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 1min

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 6min).

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Average sunshine days in December
Watt Heights, TN

Average sunshine days in December - Watt Heights, TN
  • Average sunshine days in December: 17.7 days

The months with the most sunshine days are October and November (21.2 days).
The month with the least sunshine days is July (11.6 days).

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Average UV index in December
Watt Heights, TN

Average UV index in December - Watt Heights, 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).

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Average cloud cover in December
Watt Heights, TN

Average cloud cover in December - Watt Heights, TN
  • Average cloud cover in December: 47

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 29).

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Average visibility in December
Watt Heights, TN

Average visibility in December - Watt Heights, 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).

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Watt Heights, Tennessee, USA

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