December weather forecast
Glenwood, TN

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Weather in December

The first month of the winter, December, is also a fresh month in Glenwood, Tennessee, 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

Glenwood's progression into December involves a gentle drop in the average high-temperature, from a moderate 58.8°F (14.9°C) in November to a fresh 50.7°F (10.4°C). Glenwood reports a consistent average low-temperature of 36.5°F (2.5°C) throughout December nights.

Humidity

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

Rainfall

The month with the most rainfall 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 Glenwood, during December, snow falls for 1.6 days and regularly aggregates up to 0.31" (8mm) of snow. In Glenwood, during the entire year, snow falls for 9.2 days and aggregates up to 2.09" (53mm) of snow.

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 5:29 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 5:39 pm EST.

Sunshine

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

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index of 2 in December converts into the following recommendations:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.

Frequently asked questions

What are December temperatures?

The average high-temperature and low-temperature during December are 50.7°F (10.4°C) and 36.5°F (2.5°C) respectively. The average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in September is calculated to be 87.8°F (31°C).

What is the most humid month?

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

What is the average humidity in December?

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 Glenwood, in December, it is raining for 13.5 days, with typically 4.21" (107mm) of accumulated precipitation.

How much does it snow in December?

In Glenwood, in December, snow falls for 1.6 days, with typically accumulated 0.31" (8mm) of snow.

What is the month with the shortest days?

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

How many hours of daylight does Glenwood have in December?

In December, the average day length is 9h and 51min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:31 am and sunset at 5:29 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?

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

How many hours of sunshine does Glenwood have in December?

The average sunshine duration in December is 5h.

What are the months with the lowest UV index?

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

What is the UV index intensity in December in Glenwood?

The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health threat from unsafe 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
Glenwood, TN

Average temperature in December - Glenwood, 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
Glenwood, TN

Average pressure in December - Glenwood, 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
Glenwood, TN

Average wind speed in December - Glenwood, 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
Glenwood, TN

Average humidity in December - Glenwood, 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
Glenwood, TN

Average rainfall in December - Glenwood, 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
Glenwood, TN

Average rainfall days in December - Glenwood, 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
Glenwood, TN

Average snowfall in December - Glenwood, 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
Glenwood, TN

Average snowfall days in December - Glenwood, 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
Glenwood, TN

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

Average sunshine days in December - Glenwood, 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
Glenwood, TN

Average UV index in December - Glenwood, 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
Glenwood, TN

Average cloud cover in December - Glenwood, 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
Glenwood, TN

Average visibility in December - Glenwood, 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).

Glenwood, Tennessee, USA

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