December weather forecast
Big Sandy, TN

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Weather in December

The first month of the winter, December, is also a frosty month in Big Sandy, Tennessee, with an average temperature ranging between max 48.4°F (9.1°C) and min 36°F (2.2°C).

Temperature

Big Sandy's December weather features a light decline in high-temperatures, reducing from a refreshing 57.2°F (14°C) in November to a chilly 48.4°F (9.1°C). An average nighttime temperature of 36°F (2.2°C) is observed during December.

Humidity

The months with the highest humidity are March and December, with an average relative humidity of 79%.

Rainfall

In December, the rain falls for 9.8 days. Throughout December, 1.85" (47mm) of precipitation is accumulated. In Big Sandy, Tennessee, during the entire year, the rain falls for 136.3 days and collects up to 20.55" (522mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall. In Big Sandy, in December, during 0.8 snowfall days, 0.2" (5mm) of snow is typically accumulated. Throughout the year, there are 6.6 snowfall days, and 1.54" (39mm) of snow is accumulated.

Daylight

With an average of 9h and 42min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 6:45 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 4:47 pm CST.

Sunshine

The average sunshine in December is 4.7h.

UV index

February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: In December, the maximum UV index of 2 suggests this advice:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Experience reduced UV exposure by about half when donning a wide-brim hat. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.

Frequently asked questions

What are the temperatures in December?

The high-temperature during December is 48.4°F (9.1°C) and the low-temperature is 36°F (2.2°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in September is evaluated at 87.8°F (31°C).

What is the most humid month?

The months with the highest humidity are March and December, with an average relative humidity of 79%.

What is the average humidity in December?

In December, the average relative humidity is 79%.

How much does it rain in December?

In Big Sandy, in December, it is raining for 9.8 days, with typically 1.85" (47mm) of accumulated precipitation.

How many days does it snow in December?

In December, in Big Sandy, it is snowing for 0.8 days. Throughout December, 0.2" (5mm) of snow is accumulated.

What is the month with the shortest days?

With an average of 9h and 42min of daylight, December has the shortest days of the year.

How many hours of daylight does Big Sandy have in December?

The average day length in December is 9h and 44min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 6:45 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 4:47 pm CST.

How many hours of sunshine does Big Sandy have in December?

In December, the average sunshine duration is 4.7h.

What are the months with the lowest UV index?

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

How high is the UV index in December?

In Big Sandy, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from unsafe 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
Big Sandy, TN

Average temperature in December - Big Sandy, TN
  • Average high temperature in December: 48.4°F

The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (44.6°F).

  • Average low temperature in December: 36°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 (30.7°F).

Average pressure in December
Big Sandy, TN

Average pressure in December - Big Sandy, 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
Big Sandy, TN

Average wind speed in December - Big Sandy, TN
  • Average wind speed in December: 7.7mph

The windiest months (with the highest average wind speed) are February and April (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).

Average humidity in December
Big Sandy, TN

Average humidity in December - Big Sandy, TN
  • Average humidity in December: 79%

The months with the highest relative humidity are March and December (79%).
The month with the lowest relative humidity is October (72%).

Average rainfall in December
Big Sandy, TN

Average rainfall in December - Big Sandy, TN
  • Average rainfall in December: 1.85"

The wettest month (with the highest rainfall) is May (2.17").
The driest month (with the least rainfall) is September (0.75").

Average rainfall days in December
Big Sandy, TN

Average rainfall days in December - Big Sandy, TN
  • Average rainfall days in December: 9.8 days

The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is January (8.3 days).

Average snowfall in December
Big Sandy, TN

Average snowfall in December - Big Sandy, TN
  • Average snowfall in December: 0.2"

The month with the highest snowfall is March (0.51").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Big Sandy, TN

Average snowfall days in December - Big Sandy, TN
  • Average snowfall days in December: 0.8 days

The month with the highest number of snowfall days is January (2.3 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Big Sandy, TN

Average daylight in December / Average sunshine in December - Big Sandy, TN
  • Average daylight in December: 9h and 4min

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 4min

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
Big Sandy, TN

Average sunshine days in December - Big Sandy, TN
  • Average sunshine days in December: 19.3 days

The months with the most sunshine days are January and October (20.3 days).
The month with the least sunshine days is May (14.3 days).

Average UV index in December
Big Sandy, TN

Average UV index in December - Big Sandy, 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 February and December (UV index 2).

Average cloud cover in December
Big Sandy, TN

Average cloud cover in December - Big Sandy, TN
  • Average cloud cover in December: 50

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 28).

Average visibility in December
Big Sandy, TN

Average visibility in December - Big Sandy, TN
  • Average visibility in December: 6mi

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

Big Sandy, Tennessee, USA

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