December weather forecast
Arlington, TN

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Weather in December

The first month of the winter, December, is still a cool month in Arlington, Tennessee, with temperature in the range of an average low of 37.8°F (3.2°C) and an average high of 50.7°F (10.4°C).

Temperature

December is marked by a subtle drop in average high-temperatures, transitioning from a moderate 58.6°F (14.8°C) in November to a fresh 50.7°F (10.4°C). During December, Arlington experiences a consistent low-temperature average of 37.8°F (3.2°C).

Humidity

In Arlington, the average relative humidity in December is 78%.

Rainfall

In Arlington, Tennessee, in December, during 10 rainfall days, 2.28" (58mm) of precipitation is typically accumulated. Throughout the year, there are 148 rainfall days, and 25.35" (644mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, November and December. In December, it is snowing for 0.7 days. Throughout December, 0.24" (6mm) of snow is accumulated. In Arlington, during the entire year, snow falls for 4.3 days and aggregates up to 1.06" (27mm) 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 the month, sunrise is at 6:49 am and sunset at 4:46 pm. On the last day of December, sunrise is at 7:07 am and sunset at 4:56 pm CST.

Sunshine

In December, the average sunshine is 5h.

UV index

January, February and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: In December, the maximum UV index of 3 suggests these recommendations:
Exercise prevention - Precautions against solar damage are endorsed. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.

Frequently asked questions

What is the usual temperature for Arlington in December?

The high-temperature, in December, in Arlington, is 50.7°F (10.4°C), while the low-temperature averages to 37.8°F (3.2°C). In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is estimated at 89.6°F (32°C).

What is the average humidity in December in Arlington?

In Arlington, the average relative humidity in December is 78%.

How much does it rain in December?

In Arlington, in December, it is raining for 10 days, with typically 2.28" (58mm) of accumulated precipitation.

How much does it snow in December?

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

What is the month with the shortest days?

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 49min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 6:49 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 4:56 pm CST.

How long on average sun shines in December?

In December, the average sunshine duration is 5h.

What is the month with the lowest UV index?

January, February and December, with an average maximum UV index of 3, are months with the lowest UV index.

What is the UV index intensity in December?

In December, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium health risk 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
Arlington, TN

Average temperature in December - Arlington, TN
  • Average high temperature in December: 50.7°F

The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (46.4°F).

  • Average low temperature in December: 37.8°F

The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).

Average pressure in December
Arlington, TN

Average pressure in December - Arlington, 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 (29.94"Hg).

Average wind speed in December
Arlington, TN

Average wind speed in December - Arlington, TN
  • Average wind speed in December: 8.2mph

The windiest month (with the highest average wind speed) is February (9.2mph).
The calmest month (with the lowest average wind speed) is July (5.2mph).

Average humidity in December
Arlington, TN

Average humidity in December - Arlington, TN
  • Average humidity in December: 78%

The month with the highest relative humidity is March (79%).
The month with the lowest relative humidity is October (70%).

Average rainfall in December
Arlington, TN

Average rainfall in December - Arlington, TN
  • Average rainfall in December: 2.28"

The wettest month (with the highest rainfall) is April (2.8").
The driest months (with the least rainfall) are January and September (1.26").

Average rainfall days in December
Arlington, TN

Average rainfall days in December - Arlington, TN
  • Average rainfall days in December: 10 days

The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is November (8.4 days).

Average snowfall in December
Arlington, TN

Average snowfall in December - Arlington, TN
  • Average snowfall in December: 0.24"

The month with the highest snowfall is February (0.43").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Arlington, TN

Average snowfall days in December - Arlington, TN
  • Average snowfall days in December: 0.7 days

The month with the highest number of snowfall days is February (1.4 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
Arlington, TN

Average daylight in December / Average sunshine in December - Arlington, 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 0min

The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in December
Arlington, TN

Average sunshine days in December - Arlington, TN
  • Average sunshine days in December: 19.2 days

The month with the most sunshine days is October (20.9 days).
The months with the least sunshine days are July and August (12.3 days).

Average UV index in December
Arlington, TN

Average UV index in December - Arlington, TN
  • Average UV index in December: 3

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).

Average cloud cover in December
Arlington, TN

Average cloud cover in December - Arlington, TN
  • Average cloud cover in December: 45

The month with the most cloud cover is February (Cloud cover 47).
The months with the least cloud cover are June and August (Cloud cover 25).

Average visibility in December
Arlington, TN

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

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

Arlington, Tennessee, USA

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