December weather forecast
Edison, TN

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Weather in December

The first month of the winter, December, is still a chilly month in Edison, Tennessee, with an average temperature ranging between min 36.5°F (2.5°C) and max 48.9°F (9.4°C).

Temperature

With the onset of December, Edison's average high-temperature slightly adjusts, moderately receding from November's refreshing 57.7°F (14.3°C) to a frosty 48.9°F (9.4°C). An average low-temperature of 36.5°F (2.5°C) marks the nights throughout December.

Humidity

The average relative humidity in December is 78%.

Rainfall

In Edison, during December, the rain falls for 11.7 days and regularly aggregates up to 2.99" (76mm) of precipitation. In Edison, during the entire year, the rain falls for 154.3 days and collects up to 31.57" (802mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall. In Edison, in December, snow falls for 0.9 days, with typically accumulated 0.35" (9mm) of snow. Throughout the year, there are 8.1 snowfall days, and 3.11" (79mm) 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 in Edison, Tennessee, sunrise is at 6:48 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 4:52 pm CST.

Sunshine

In Edison, the average sunshine in December is 4.8h.

UV index

February 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 rays for the ordinary person.
Note: In December, the maximum UV index of 2 translates into these guidelines:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Updated: Jul 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Edison in December?

December temperatures vary between a high-temperature of 48.9°F (9.4°C) and a low-temperature of 36.5°F (2.5°C). In September, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, is computed to be 87.8°F (31°C).

What is the average humidity in December?

The average relative humidity in December is 78%.

How many days does it rain in December?

In Edison, during December, the rain falls for 11.7 days and regularly aggregates up to 2.99" (76mm) of precipitation.

How many days does it snow in December?

In Edison, in December, during 0.9 snowfall days, 0.35" (9mm) 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.

What is the average length of the day 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 6:48 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 4:52 pm CST.

How many hours of sunshine does Edison have in December?

In Edison, the average sunshine duration in December is 4.8h.

When is the lowest UV index?

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

What is the UV index intensity in December?

The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health 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
Edison, TN

Average temperature in December - Edison, TN
  • Average high temperature in December: 48.9°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°F).

  • Average low temperature in December: 36.5°F

The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).

Average pressure in December
Edison, TN

Average pressure in December - Edison, 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 (29.95"Hg).

Average wind speed in December
Edison, TN

Average wind speed in December - Edison, TN
  • Average wind speed in December: 8.5mph

The windiest month (with the highest average wind speed) is February (9.2mph).
The calmest month (with the lowest average wind speed) is July (5.3mph).

Average humidity in December
Edison, TN

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

The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (71%).

Average rainfall in December
Edison, TN

Average rainfall in December - Edison, TN
  • Average rainfall in December: 2.99"

The wettest month (with the highest rainfall) is February (3.5").
The driest month (with the least rainfall) is September (1.34").

Average rainfall days in December
Edison, TN

Average rainfall days in December - Edison, TN
  • Average rainfall days in December: 11.7 days

The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is November (8.7 days).

Average snowfall in December
Edison, TN

Average snowfall in December - Edison, TN
  • Average snowfall in December: 0.35"

The month with the highest snowfall is March (1.1").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Edison, TN

Average snowfall days in December - Edison, TN
  • Average snowfall days in December: 0.9 days

The months with the highest number of snowfall days are January and February (2.6 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Edison, TN

Average daylight in December / Average sunshine in December - Edison, 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 5min

The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in December
Edison, TN

Average sunshine days in December - Edison, TN
  • Average sunshine days in December: 17.5 days

The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (12 days).

Average UV index in December
Edison, TN

Average UV index in December - Edison, TN
  • Average UV index in December: 2

The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are February and December (UV index 2).

Average cloud cover in December
Edison, TN

Average cloud cover in December - Edison, TN
  • Average cloud cover in December: 47

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 25).

Average visibility in December
Edison, TN

Average visibility in December - Edison, 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).

Edison, Tennessee, USA

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