December weather forecast
Lewis Store, TN

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Weather in December

The first month of the winter, December, is still a chilly month in Lewis Store, Tennessee, with an average temperature ranging between min 36°F (2.2°C) and max 49.3°F (9.6°C).

Temperature

December's arrival comes with a mild decrease in the average high-temperature, moving subtly from a refreshing 56.8°F (13.8°C) in November to a chilly 49.3°F (9.6°C). Throughout the month of December, the average temperature dips to a cold 36°F (2.2°C) at night.

Humidity

March and December, with an average relative humidity of 80%, are the most humid months.

Rainfall

In December, the rain falls for 13.4 days. Throughout December, 3.86" (98mm) of precipitation is accumulated. In Lewis Store, during the entire year, the rain falls for 183 days and collects up to 43.19" (1097mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. In December, it is snowing for 3.1 days. Throughout December, 1.02" (26mm) of snow is accumulated. In Lewis Store, during the entire year, snow falls for 17.2 days and aggregates up to 4.53" (115mm) of snow.

Daylight

With an average of 9h and 48min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 6:36 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 4:41 pm CST.

Sunshine

In Lewis Store, the average sunshine in December is 4.7h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In December, the maximum UV index of 2 suggests these recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.

Frequently asked questions

What are the temperatures in December?

An average high-temperature, in December, in Lewis Store, is 49.3°F (9.6°C) and the average low-temperature is 36°F (2.2°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, in September is estimated at 84.2°F (29°C).

What is the most humid month in Lewis Store?

The months with the highest humidity are March and December, with an average relative humidity of 80%.

What is the average humidity in December?

In Lewis Store, the average relative humidity in December is 80%.

How much does it rain in December?

In Lewis Store, in December, it is raining for 13.4 days, with typically 3.86" (98mm) of accumulated precipitation.

How many days does it snow in December?

In Lewis Store, in December, snow falls for 3.1 days, with typically accumulated 1.02" (26mm) of snow.

What is the month with the shortest days in Lewis Store?

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?

The average day length in December is 9h and 48min.

When are sunrise and sunset in December in Lewis Store?

On the first day of December, sunrise is at 6:36 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 4:41 pm CST.

How long on average sun shines in December in Lewis Store?

In Lewis Store, the average sunshine duration in December is 4.7h.

What are the months with the lowest UV index?

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

What is the UV index intensity in December?

In Lewis Store, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health threat 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
Lewis Store, TN

Average temperature in December - Lewis Store, TN
  • Average high temperature in December: 49.3°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 (45.1°F).

  • Average low temperature in December: 36°F

The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).

Average pressure in December
Lewis Store, TN

Average pressure in December - Lewis Store, 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 (29.98"Hg).

Average wind speed in December
Lewis Store, TN

Average wind speed in December - Lewis Store, TN
  • Average wind speed in December: 7.4mph

The windiest month (with the highest average wind speed) is February (8.1mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).

Average humidity in December
Lewis Store, TN

Average humidity in December - Lewis Store, TN
  • Average humidity in December: 80%

The months with the highest relative humidity are March and December (80%).
The months with the lowest relative humidity are October and November (75%).

Average rainfall in December
Lewis Store, TN

Average rainfall in December - Lewis Store, TN
  • Average rainfall in December: 3.86"

The wettest month (with the highest rainfall) is July (4.72").
The driest month (with the least rainfall) is September (2.28").

Average rainfall days in December
Lewis Store, TN

Average rainfall days in December - Lewis Store, TN
  • Average rainfall days in December: 13.4 days

The month with the highest number of rainy days is July (21 days).
The month with the least rainy days is November (10.3 days).

Average snowfall in December
Lewis Store, TN

Average snowfall in December - Lewis Store, TN
  • Average snowfall in December: 1.02"

The month with the highest snowfall is February (1.34").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Lewis Store, TN

Average snowfall days in December - Lewis Store, TN
  • Average snowfall days in December: 3.1 days

The month with the highest number of snowfall days is January (5.2 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
Lewis Store, TN

Average daylight in December / Average sunshine in December - Lewis Store, 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 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

Average sunshine days in December
Lewis Store, TN

Average sunshine days in December - Lewis Store, TN
  • Average sunshine days in December: 14.9 days

The month with the most sunshine days is October (17.8 days).
The month with the least sunshine days is July (8.1 days).

Average UV index in December
Lewis Store, TN

Average UV index in December - Lewis Store, 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
Lewis Store, TN

Average cloud cover in December - Lewis Store, TN
  • Average cloud cover in December: 52

The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is June (Cloud cover 31).

Average visibility in December
Lewis Store, TN

Average visibility in December - Lewis Store, TN
  • Average visibility in December: 5mi

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

Lewis Store, Tennessee, USA

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