December weather forecast
Lascassas, TN

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Weather in December

December, the first month of the winter in Lascassas, is still a chilly month, with an average temperature ranging between max 49.3°F (9.6°C) and min 35.8°F (2.1°C).

Temperature

Lascassas's December weather features a light decline in high-temperatures, reducing from a moderate 57.6°F (14.2°C) in November to a chilly 49.3°F (9.6°C). An average nighttime temperature of 35.8°F (2.1°C) is recorded during December.

Humidity

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

Rainfall

In Lascassas, Tennessee, in December, during 9.6 rainfall days, 1.1" (28mm) of precipitation is typically accumulated. Throughout the year, 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 December, it is snowing for 1.7 days. Throughout December, 0.2" (5mm) of snow is accumulated. In Lascassas, during the entire year, snow falls for 10.9 days and aggregates up to 0.87" (22mm) of snow.

Daylight

The month with the shortest days in Lascassas is December, with an average of 9h and 48min of daylight.
On the first day of December in Lascassas, 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 in Lascassas is 4.7h.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Lascassas. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 2 in December interprets into the following advice:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average December temperature in Lascassas?

During December, Lascassas experiences an average high-temperature of 49.3°F (9.6°C) and a low-temperature of 35.8°F (2.1°C). The average heat index (a.k.a. 'feels like', 'real feel'), which combines relative humidity and air temperature, in September is appraised at 86°F (30°C).

What is the most humid month in Lascassas?

With an average relative humidity of 79%, December is the most humid month in Lascassas, Tennessee.

What is the average humidity in December in Lascassas?

In December, the average relative humidity is 79%.

How much does it rain in Lascassas in December?

In Lascassas, during December, the rain falls for 9.6 days and regularly aggregates up to 1.1" (28mm) of precipitation.

How much does it snow in Lascassas in December?

In Lascassas, Tennessee, during December, snow falls for 1.7 days and regularly aggregates up to 0.2" (5mm) of snow.

What is the month with the shortest days in Lascassas?

With an average of 9h and 48min of daylight, December has the shortest days of the year in Lascassas.

How many hours of daylight does Lascassas have in December?

The average day length in December is 9h and 46min.

What time are sunrise and sunset in December in Lascassas?

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

How many hours of sunshine does Lascassas have in December?

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

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

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

What is the UV index reading in December in Lascassas?

In December, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability 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
Lascassas, TN

Average temperature in December - Lascassas, 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
Lascassas, TN

Average pressure in December - Lascassas, 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
Lascassas, TN

Average wind speed in December - Lascassas, 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
Lascassas, TN

Average humidity in December - Lascassas, 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
Lascassas, TN

Average rainfall in December - Lascassas, 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
Lascassas, TN

Average rainfall days in December - Lascassas, 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
Lascassas, TN

Average snowfall in December - Lascassas, 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
Lascassas, TN

Average snowfall days in December - Lascassas, 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
Lascassas, TN

Average daylight in December / Average sunshine in December - Lascassas, 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
Lascassas, TN

Average sunshine days in December - Lascassas, 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
Lascassas, TN

Average UV index in December - Lascassas, 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
Lascassas, TN

Average cloud cover in December - Lascassas, 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
Lascassas, TN

Average visibility in December - Lascassas, 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).

Lascassas, Tennessee, USA

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