December weather forecast
Lewisburg, TN

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Weather in December

The first month of the winter, December, is also a fresh month in Lewisburg, Tennessee, with an average temperature fluctuating between 36.5°F (2.5°C) and 50°F (10°C).

Temperature

December's onset brings a negligible change in high-temperatures, falling from a moderate 57.4°F (14.1°C) in November to a cool 50°F (10°C). Throughout the month of December, Lewisburg witnesses an average low-temperature of 36.5°F (2.5°C).

Humidity

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

Rainfall

In Lewisburg, in December, it is raining for 13 days, with typically 3.46" (88mm) of accumulated precipitation. Throughout the year, in Lewisburg, Tennessee, there are 173.6 rainfall days, and 39.65" (1007mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall in Lewisburg, Tennessee. In Lewisburg, Tennessee, during December, snow falls for 1.2 days and regularly aggregates up to 0.35" (9mm) of snow. Throughout the year, in Lewisburg, there are 7.2 snowfall days, and 2.28" (58mm) of snow is accumulated.

Daylight

With an average of 9h and 48min of daylight, December has the shortest days of the year in Lewisburg.
On the first day of the month, sunrise is at 6:38 am and sunset at 4:34 pm. On the last day of December, sunrise is at 6:56 am and sunset at 4:44 pm CST.

Sunshine

In Lewisburg, the average sunshine in December is 4.6h.

UV index

The month with the lowest UV index in Lewisburg is December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: An average maximum UV index of 2 in December leads to these recommendations:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
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Frequently asked questions

What is the average December temperature in Lewisburg?

The average high-temperature and low-temperature during December are 50°F (10°C) and 36.5°F (2.5°C) respectively. In September, the average heat index (a.k.a. 'real feel', 'feels like'), which combines air temperature and relative humidity, is estimated at 86°F (30°C).

What is the most humid month in Lewisburg?

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

What is the average humidity in December in Lewisburg?

In Lewisburg, Tennessee, the average relative humidity in December is 80%.

How much does it rain in Lewisburg in December?

In Lewisburg, in December, it is raining for 13 days, with typically 3.46" (88mm) of accumulated precipitation.

How much does it snow in Lewisburg in December?

In Lewisburg, in December, snow falls for 1.2 days, with typically accumulated 0.35" (9mm) of snow.

What is the month with the shortest days in Lewisburg?

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

What is the average length of the day in December in Lewisburg?

In December, the average day length is 9h and 49min.

What time are sunrise and sunset in December in Lewisburg?

On the first day of December in Lewisburg, sunrise is at 6:38 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 4:44 pm CST.

How many hours of sunshine does Lewisburg have in December?

The average sunshine duration in December is 4.6h.

When is the lowest UV index in Lewisburg?

The month with the lowest UV index in Lewisburg, Tennessee, is December, with an average maximum UV index of 2.

How high is the UV index in December in Lewisburg?

The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation.
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
Lewisburg, TN

Average temperature in December - Lewisburg, TN
  • Average high temperature in December: 50°F

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (45.7°F).

  • Average low temperature in December: 36.5°F

The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (31.3°F).

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Average pressure in December
Lewisburg, TN

Average pressure in December - Lewisburg, TN
  • Average pressure in December: 30.15"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

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Average wind speed in December
Lewisburg, TN

Average wind speed in December - Lewisburg, TN
  • Average wind speed in December: 8.1mph

The windiest month (with the highest average wind speed) is February (8.6mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).

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Average humidity in December
Lewisburg, TN

Average humidity in December - Lewisburg, TN
  • Average humidity in December: 80%

The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in December
Lewisburg, TN

Average rainfall in December - Lewisburg, TN
  • Average rainfall in December: 3.46"

The wettest month (with the highest rainfall) is February (4.37").
The driest month (with the least rainfall) is September (2.24").

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Average rainfall days in December
Lewisburg, TN

Average rainfall days in December - Lewisburg, TN
  • Average rainfall days in December: 13 days

The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is November (9.5 days).

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Average snowfall in December
Lewisburg, TN

Average snowfall in December - Lewisburg, TN
  • Average snowfall in December: 0.35"

The month with the highest snowfall is February (0.98").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Lewisburg, TN

Average snowfall days in December - Lewisburg, TN
  • Average snowfall days in December: 1.2 days

The month with the highest number of snowfall days is February (2.6 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
Lewisburg, TN

Average daylight in December / Average sunshine in December - Lewisburg, 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: 4h and 4min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

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Average sunshine days in December
Lewisburg, TN

Average sunshine days in December - Lewisburg, TN
  • Average sunshine days in December: 15.9 days

The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is July (9.9 days).

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Average UV index in December
Lewisburg, TN

Average UV index in December - Lewisburg, TN
  • Average UV index in December: 2

The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).

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Average cloud cover in December
Lewisburg, TN

Average cloud cover in December - Lewisburg, TN
  • Average cloud cover in December: 51

The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 30).

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Average visibility in December
Lewisburg, TN

Average visibility in December - Lewisburg, TN
  • Average visibility in December: 6mi

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

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Lewisburg, Tennessee, USA

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