December weather forecast
Valleyview, TN

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Weather in December

The first month of the winter, December, is still a chilly month in Valleyview, Tennessee, with an average temperature fluctuating between 35.8°F (2.1°C) and 49.3°F (9.6°C).

Temperature

Start of December brings a slight shift in the average high-temperature, dipping a bit from November's moderate 57.6°F (14.2°C) to a frosty 49.3°F (9.6°C). Valleyview witnesses a consistent average low-temperature of 35.8°F (2.1°C) throughout December.

Humidity

December is the most humid month, with an average relative humidity of 79%.

Rainfall

In Valleyview, during December, the rain falls for 9.6 days and regularly aggregates up to 1.1" (28mm) of precipitation. Throughout the year, in Valleyview, there are 123.1 rainfall days, and 12.76" (324mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, November and December. In Valleyview, during December, snow falls for 1.7 days and regularly aggregates up to 0.2" (5mm) of snow. Throughout the year, there are 10.9 snowfall days, and 0.87" (22mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 48min of daylight.
On the first day of December, sunrise is at 6:37 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 4:41 pm CST.

Sunshine

The average sunshine in December is 4.7h.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: In December, a daily maximum UV index of 2 leads to the following instructions:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are December temperatures?

The high-temperature, in December, in Valleyview, is 49.3°F (9.6°C), while the low-temperature averages to 35.8°F (2.1°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in September is appraised at 86°F (30°C).

What is the most humid month?

December is the most humid month, with an average relative humidity of 79%.

What is the average humidity in December?

In Valleyview, the average relative humidity in December is 79%.

How much does it rain in December?

In Valleyview, in December, during 9.6 rainfall days, 1.1" (28mm) of precipitation is typically accumulated.

How much does it snow in December?

In Valleyview, Tennessee, in December, during 1.7 snowfall days, 0.2" (5mm) of snow is typically accumulated.

What is the month with the shortest days?

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

How many hours of daylight does Valleyview have in December?

In December, the average day length is 9h and 46min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 6:37 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 4:41 pm CST.

How long on average sun shines in December?

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

When is the lowest UV index?

January, February 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?

The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from unprotected exposure to 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
Valleyview, TN

Average temperature in December - Valleyview, TN
  • Average high temperature in December: 49.3°F

The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (45.1°F).

  • Average low temperature in December: 35.8°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).

Average pressure in December
Valleyview, TN

Average pressure in December - Valleyview, 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).

Average wind speed in December
Valleyview, TN

Average wind speed in December - Valleyview, TN
  • Average wind speed in December: 7.3mph

The windiest month (with the highest average wind speed) is February (8mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).

Average humidity in December
Valleyview, TN

Average humidity in December - Valleyview, TN
  • Average humidity in December: 79%

The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is October (74%).

Average rainfall in December
Valleyview, TN

Average rainfall in December - Valleyview, TN
  • Average rainfall in December: 1.1"

The wettest month (with the highest rainfall) is February (1.5").
The driest month (with the least rainfall) is September (0.39").

Average rainfall days in December
Valleyview, TN

Average rainfall days in December - Valleyview, TN
  • Average rainfall days in December: 9.6 days

The month with the highest number of rainy days is July (13.9 days).
The month with the least rainy days is November (7.3 days).

Average snowfall in December
Valleyview, TN

Average snowfall in December - Valleyview, TN
  • Average snowfall in December: 0.2"

The month with the highest snowfall is February (0.31").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Valleyview, TN

Average snowfall days in December - Valleyview, TN
  • Average snowfall days in December: 1.7 days

The month with the highest number of snowfall days is January (3.8 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
Valleyview, TN

Average daylight in December / Average sunshine in December - Valleyview, TN
  • Average daylight in December: 9h and 5min

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 48min).

  • Average sunshine in December: 4h and 4min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in December
Valleyview, TN

Average sunshine days in December - Valleyview, TN
  • Average sunshine days in December: 18.5 days

The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is July (13.3 days).

Average UV index in December
Valleyview, TN

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

Average cloud cover in December
Valleyview, TN

Average cloud cover in December - Valleyview, 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 29).

Average visibility in December
Valleyview, TN

Average visibility in December - Valleyview, 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).

Valleyview, Tennessee, USA

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