December weather forecast
Fernvale, TN

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Weather in December

The first month of the winter, December, is still a chilly month in Fernvale, Tennessee, with an average temperature ranging between max 48.7°F (9.3°C) and min 35.4°F (1.9°C).

Temperature

December brings a slight decrease in temperature, down from a mild 57°F (13.9°C) in November to a frosty 48.7°F (9.3°C). Fernvale throughout December, experiences an average nighttime temperature of 35.4°F (1.9°C).

Humidity

The months with the highest humidity in Fernvale, Tennessee, are March and December, with an average relative humidity of 79%.

Rainfall

In Fernvale, in December, during 8.1 rainfall days, 0.71" (18mm) of precipitation is typically accumulated. In Fernvale, during the entire year, the rain falls for 118.2 days and collects up to 10.83" (275mm) of precipitation.

Snowfall

Months with snowfall in Fernvale are January through March, November and December. The months with the most snowfall in Fernvale, Tennessee, are January, February and December, with an average 0.2" (5mm) of accumulated snow.

Daylight

With an average of 9h and 48min of daylight, December has the shortest days of the year in Fernvale.
On the first day of December in Fernvale, Tennessee, sunrise is at 6:40 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 4:44 pm CST.

Sunshine

The average sunshine in December is 4.6h.

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 low threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: In December, the UV index of 2 transforms into the following advice:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Fernvale in December?

In Fernvale, 48.7°F (9.3°C) is the average high-temperature and 35.4°F (1.9°C) is the average low-temperature during December. 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 86°F (30°C).

What are the most humid months in Fernvale?

The months with the highest humidity in Fernvale are March and December, with an average relative humidity of 79%.

What is the average humidity in December in Fernvale?

In December, the average relative humidity is 79%.

How many days does it rain in December in Fernvale?

In Fernvale, in December, during 8.1 rainfall days, 0.71" (18mm) of precipitation is typically accumulated.

When does it snow the most in Fernvale?

The months with the most snowfall in Fernvale are January, February and December, with an average 0.2" (5mm) of accumulated snow.

How many days does it snow in December in Fernvale?

In Fernvale, in December, snow falls for 1.6 days, with typically accumulated 0.2" (5mm) of snow.

What is the month with the shortest days in Fernvale?

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

How many hours of daylight does Fernvale have in December?

In December, the average day length is 9h and 46min.

When is the sunrise / sunset in December in Fernvale?

On the first day of December in Fernvale, sunrise is at 6:40 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 4:44 pm CST.

How many hours of sunshine does Fernvale have in December?

In December, the average sunshine duration is 4.6h.

When is the lowest UV index in Fernvale?

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

How high is the UV index in December in Fernvale?

In December, the average daily maximum UV index in Fernvale is 2. A UV Index estimate of 2, and below, represents a low health risk 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
Fernvale, TN

Average temperature in December - Fernvale, TN
  • Average high temperature in December: 48.7°F

The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (44.2°F).

  • Average low temperature in December: 35.4°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).

Average pressure in December
Fernvale, TN

Average pressure in December - Fernvale, 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
Fernvale, TN

Average wind speed in December - Fernvale, TN
  • Average wind speed in December: 7.7mph

The windiest month (with the highest average wind speed) is February (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).

Average humidity in December
Fernvale, TN

Average humidity in December - Fernvale, TN
  • Average humidity in December: 79%

The months with the highest relative humidity are March and December (79%).
The month with the lowest relative humidity is October (74%).

Average rainfall in December
Fernvale, TN

Average rainfall in December - Fernvale, TN
  • Average rainfall in December: 0.71"

The wettest month (with the highest rainfall) is July (1.38").
The driest month (with the least rainfall) is September (0.47").

Average rainfall days in December
Fernvale, TN

Average rainfall days in December - Fernvale, TN
  • Average rainfall days in December: 8.1 days

The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is November (6 days).

Average snowfall in December
Fernvale, TN

Average snowfall in December - Fernvale, TN
  • Average snowfall in December: 0.2"

The months with the highest snowfall are January, February and December (0.2").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Fernvale, TN

Average snowfall days in December - Fernvale, TN
  • Average snowfall days in December: 1.6 days

The month with the highest number of snowfall days is February (3 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
Fernvale, TN

Average daylight in December / Average sunshine in December - Fernvale, 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 18min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in December
Fernvale, TN

Average sunshine days in December - Fernvale, TN
  • Average sunshine days in December: 20.6 days

The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is July (11.9 days).

Average UV index in December
Fernvale, TN

Average UV index in December - Fernvale, 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
Fernvale, TN

Average cloud cover in December - Fernvale, TN
  • Average cloud cover in December: 52

The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 30).

Average visibility in December
Fernvale, TN

Average visibility in December - Fernvale, TN
  • Average visibility in December: 6mi

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

Fernvale, Tennessee, USA

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