December weather forecast
Lake Vista, TN

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Weather in December

December, the first month of the winter in Lake Vista, is still a cool month, with an average temperature ranging between min 36.5°F (2.5°C) and max 50.7°F (10.4°C).

Temperature

With the onset of December, Lake Vista's average high-temperature slightly adjusts, moderately receding from November's moderate 58.8°F (14.9°C) to a cool 50.7°F (10.4°C). Throughout December, Lake Vista encounters an average temperature drop to an icy 36.5°F (2.5°C).

Humidity

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

Rainfall

The month with the most rainfall in Lake Vista is December, when the rain falls for 13.5 days and typically aggregates up to 4.21" (107mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. In Lake Vista, in December, during 1.6 snowfall days, 0.31" (8mm) of snow is typically accumulated. Throughout the year, there are 9.2 snowfall days, and 2.09" (53mm) of snow is accumulated.

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 7:31 am and sunset at 5:28 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 5:39 pm EST.

Sunshine

December has the least sunshine of the year, with an average of 5h of sunshine.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Boost your sun resistance with garments that are densely woven yet spacious. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Updated: Aug 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are December temperatures?

During December, Lake Vista experiences an average high-temperature of 50.7°F (10.4°C) and a low-temperature of 36.5°F (2.5°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in September is calculated to be 87.8°F (31°C).

What is the most humid month?

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

What is the average humidity in December?

In Lake Vista, the average relative humidity in December is 80%.

What is the rainiest month?

December is the month with the most rainfall. Rain falls for 13.5 days and accumulates 4.21" (107mm) of precipitation.

How much does it rain in December?

In December, the rain falls for 13.5 days. Throughout December, 4.21" (107mm) of precipitation is accumulated.

How much does it snow in December?

In Lake Vista, during December, snow falls for 1.6 days and regularly aggregates up to 0.31" (8mm) of snow.

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.

What is the average length of the day in December?

In December, the average day length is 9h and 50min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 7:31 am and sunset at 5:28 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 5:39 pm EST.

What is the month with the least sunshine in Lake Vista?

The month with the least sunshine is December, with an average of 5h of sunshine.

How long on average sun shines in December?

In Lake Vista, the average sunshine duration in December is 5h.

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 reading in December?

In December, the average daily maximum UV index is 2. A UV Index value 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
Lake Vista, TN

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

The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (46.9°F).

  • Average low temperature in December: 36.5°F

The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).

Average pressure in December
Lake Vista, TN

Average pressure in December - Lake Vista, 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
Lake Vista, TN

Average wind speed in December - Lake Vista, TN
  • Average wind speed in December: 6mph

The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest months (with the lowest average wind speed) are July and August (3.9mph).

Average humidity in December
Lake Vista, TN

Average humidity in December - Lake Vista, 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%).

Average rainfall in December
Lake Vista, TN

Average rainfall in December - Lake Vista, TN
  • Average rainfall in December: 4.21"

The wettest month (with the highest rainfall) is December (4.21").
The driest month (with the least rainfall) is September (2.48").

Average rainfall days in December
Lake Vista, TN

Average rainfall days in December - Lake Vista, TN
  • Average rainfall days in December: 13.5 days

The month with the highest number of rainy days is July (19.2 days).
The month with the least rainy days is November (9.5 days).

Average snowfall in December
Lake Vista, TN

Average snowfall in December - Lake Vista, TN
  • Average snowfall in December: 0.31"

The month with the highest snowfall is February (0.94").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Lake Vista, TN

Average snowfall days in December - Lake Vista, TN
  • Average snowfall days in December: 1.6 days

The month with the highest number of snowfall days is January (2.9 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
Lake Vista, TN

Average daylight in December / Average sunshine in December - Lake Vista, 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 30min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

Average sunshine days in December
Lake Vista, TN

Average sunshine days in December - Lake Vista, TN
  • Average sunshine days in December: 15.5 days

The month with the most sunshine days is October (18.9 days).
The month with the least sunshine days is July (9 days).

Average UV index in December
Lake Vista, TN

Average UV index in December - Lake Vista, 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
Lake Vista, TN

Average cloud cover in December - Lake Vista, TN
  • Average cloud cover in December: 49

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 30).

Average visibility in December
Lake Vista, TN

Average visibility in December - Lake Vista, TN
  • Average visibility in December: 5mi

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

Lake Vista, Tennessee, USA

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