December weather forecast
Deason, TN

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Weather in December

December, the first month of the winter in Deason, is also a fresh month, with an average temperature fluctuating between 36.3°F (2.4°C) and 50°F (10°C).

Temperature

Deason's December weather features a light decline in high-temperatures, reducing from a refreshing 57.6°F (14.2°C) in November to a fresh 50°F (10°C). Throughout December nights, Deason registers an average low-temperature of 36.3°F (2.4°C).

Humidity

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

Rainfall

In December, the rain falls for 12.1 days. Throughout December, 3.35" (85mm) of precipitation is accumulated. Throughout the year, in Deason, there are 167.2 rainfall days, and 38.78" (985mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. In Deason, in December, during 2 snowfall days, 0.55" (14mm) of snow is typically accumulated. In Deason, Tennessee, during the entire year, snow falls for 10.7 days and aggregates up to 2.83" (72mm) of snow.

Daylight

With an average of 9h and 48min of daylight, December has the shortest days of the year in Deason, Tennessee.
On the first day of December in Deason, sunrise is at 6:37 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 4:43 pm CST.

Sunshine

In Deason, Tennessee, the average sunshine in December is 4.6h.

UV index

January 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 unprotected exposure to Sun's UV rays for the ordinary person.
Note: In December, the maximum UV index of 2 suggests this advice:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
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Frequently asked questions

What is the temperature in December in Deason?

The average high-temperature and low-temperature in Deason during December are 50°F (10°C) and 36.3°F (2.4°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, in September is calculated to be 86°F (30°C).

What is the most humid month in Deason?

The most humid month in Deason, Tennessee, is December, with an average relative humidity of 80%.

What is the average humidity in December in Deason?

The average relative humidity in December in Deason is 80%.

How many days does it rain in December in Deason?

In Deason, in December, during 12.1 rainfall days, 3.35" (85mm) of precipitation is typically accumulated.

How much does it snow in Deason in December?

In Deason, Tennessee, in December, snow falls for 2 days, with typically accumulated 0.55" (14mm) of snow.

What is the month with the shortest days in Deason?

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

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

In Deason, Tennessee, the average day length in December is 9h and 48min.

What time are sunrise and sunset in December in Deason?

In December, on the first day of the month, sunrise is at 6:37 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 4:43 pm CST.

How long on average sun shines in December in Deason?

The average sunshine duration in December in Deason is 4.6h.

What are the months with the lowest UV index in Deason?

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

What is the UV index intensity in December in Deason?

In Deason, Tennessee, 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 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
Deason, TN

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

The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (45.5°F).

  • Average low temperature in December: 36.3°F

The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (31.3°F).

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Average pressure in December
Deason, TN

Average pressure in December - Deason, 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
Deason, TN

Average wind speed in December - Deason, TN
  • Average wind speed in December: 8mph

The windiest month (with the highest average wind speed) is February (8.5mph).
The calmest month (with the lowest average wind speed) is July (4.7mph).

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Average humidity in December
Deason, TN

Average humidity in December - Deason, 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
Deason, TN

Average rainfall in December - Deason, TN
  • Average rainfall in December: 3.35"

The wettest month (with the highest rainfall) is February (4.33").
The driest month (with the least rainfall) is September (2.09").

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Average rainfall days in December
Deason, TN

Average rainfall days in December - Deason, TN
  • Average rainfall days in December: 12.1 days

The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is November (8.9 days).

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Average snowfall in December
Deason, TN

Average snowfall in December - Deason, TN
  • Average snowfall in December: 0.55"

The month with the highest snowfall is February (1.02").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Deason, TN

Average snowfall days in December - Deason, TN
  • Average snowfall days in December: 2 days

The month with the highest number of snowfall days is January (3.1 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
Deason, TN

Average daylight in December / Average sunshine in December - Deason, 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 18min).

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Average sunshine days in December
Deason, TN

Average sunshine days in December - Deason, TN
  • Average sunshine days in December: 16.7 days

The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is July (10.1 days).

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Average UV index in December
Deason, TN

Average UV index in December - Deason, 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).

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Average cloud cover in December
Deason, TN

Average cloud cover in December - Deason, TN
  • Average cloud cover in December: 52

The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 31).

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Average visibility in December
Deason, TN

Average visibility in December - Deason, 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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Deason, Tennessee, USA

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