December weather forecast
Harrison, TN

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Weather in December

December, the first month of the winter in Harrison, is also a fresh month, with temperature in the range of an average low of 36.5°F (2.5°C) and an average high of 50.7°F (10.4°C).

Temperature

Harrison's progression into December involves a minor drop in the average high-temperature, slightly receding from a moderate 58.6°F (14.8°C) in November to a cool 50.7°F (10.4°C). Harrison records a mean low-temperature of 36.5°F (2.5°C) in December.

Humidity

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

Rainfall

In Harrison, in December, during 12.5 rainfall days, 3.58" (91mm) of precipitation is typically accumulated. In Harrison, Tennessee, during the entire year, the rain falls for 156.7 days and collects up to 34.02" (864mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall in Harrison. In December, it is snowing for 1.1 days. Throughout December, 0.31" (8mm) of snow is accumulated. Throughout the year, in Harrison, there are 6.6 snowfall days, and 2.17" (55mm) of snow is accumulated.

Daylight

The month with the shortest days in Harrison is December, with an average of 9h and 48min of daylight.
On the first day of the month, sunrise is at 7:31 am and sunset at 5:28 pm. On the last day of December, sunrise is at 7:48 am and sunset at 5:39 pm EST.

Sunshine

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

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: An average UV index of 2 in December transforms into this advice:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in December in Harrison?

The average high-temperature, in December, in Harrison, is 50.7°F (10.4°C), while the average low-temperature is 36.5°F (2.5°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in September is evaluated at 89.6°F (32°C).

What is the most humid month in Harrison?

With an average relative humidity of 80%, December is the most humid month in Harrison, Tennessee.

What is the average humidity in December in Harrison?

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

How much does it rain in Harrison in December?

In Harrison, Tennessee, during December, the rain falls for 12.5 days and regularly aggregates up to 3.58" (91mm) of precipitation.

How many days does it snow in December in Harrison?

In Harrison, during December, snow falls for 1.1 days and regularly aggregates up to 0.31" (8mm) of snow.

What is the month with the shortest days in Harrison?

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

How many hours of daylight does Harrison have in December?

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

When are sunrise and sunset in December in Harrison?

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

What is the month with the least sunshine in Harrison?

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

How long on average sun shines in December in Harrison?

The average sunshine duration in December in Harrison, Tennessee, is 5h.

When is the lowest UV index in Harrison?

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

What is the UV index reading in December in Harrison?

In December, the average daily maximum UV index in Harrison, Tennessee, is 2. A UV Index of 2, and less, symbolizes a low health threat 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
Harrison, TN

Average temperature in December - Harrison, 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 (46.8°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
Harrison, TN

Average pressure in December - Harrison, TN
  • Average pressure in December: 30.15"Hg

The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

Average wind speed in December
Harrison, TN

Average wind speed in December - Harrison, TN
  • Average wind speed in December: 6.1mph

The windiest month (with the highest average wind speed) is February (6.8mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).

Average humidity in December
Harrison, TN

Average humidity in December - Harrison, TN
  • Average humidity in December: 80%

The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are June, August and October (74%).

Average rainfall in December
Harrison, TN

Average rainfall in December - Harrison, TN
  • Average rainfall in December: 3.58"

The wettest month (with the highest rainfall) is February (3.62").
The driest month (with the least rainfall) is September (2.05").

Average rainfall days in December
Harrison, TN

Average rainfall days in December - Harrison, TN
  • Average rainfall days in December: 12.5 days

The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is November (8.5 days).

Average snowfall in December
Harrison, TN

Average snowfall in December - Harrison, TN
  • Average snowfall in December: 0.31"

The month with the highest snowfall is February (0.87").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Harrison, TN

Average snowfall days in December - Harrison, TN
  • Average snowfall days in December: 1.1 days

The month with the highest number of snowfall days is February (2.2 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
Harrison, TN

Average daylight in December / Average sunshine in December - Harrison, 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 36min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

Average sunshine days in December
Harrison, TN

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

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (11.3 days).

Average UV index in December
Harrison, TN

Average UV index in December - Harrison, 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
Harrison, TN

Average cloud cover in December - Harrison, TN
  • Average cloud cover in December: 48

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 29).

Average visibility in December
Harrison, TN

Average visibility in December - Harrison, TN
  • Average visibility in December: 5mi

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

Harrison, Tennessee, USA

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