December weather forecast
McFarland, TN

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Weather in December

December, the first month of the winter in McFarland, is still a cool month, with an average temperature fluctuating between 36°F (2.2°C) and 50.4°F (10.2°C).

Temperature

December signals a slight drop in average high-temperature, sliding from November's refreshing 57.6°F (14.2°C) to a cool 50.4°F (10.2°C). During December, the temperature is averaged to a low of 36°F (2.2°C) at night.

Humidity

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

Rainfall

In December, the rain falls for 13.4 days. Throughout December, 2.99" (76mm) of precipitation is accumulated. In McFarland, during the entire year, the rain falls for 170.1 days and collects up to 33.23" (844mm) of precipitation.

Snowfall

Months with snowfall in McFarland are January through April, November and December. In McFarland, during December, snow falls for 2.3 days and regularly aggregates up to 0.39" (10mm) of snow. Throughout the year, there are 14.2 snowfall days, and 2.36" (60mm) of snow is accumulated.

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 7:28 am and sunset at 5:25 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 5:35 pm EST.

Sunshine

The months with the least sunshine are January and December, with an average of 5.1h of sunshine.

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The maximum UV index of 2 during December translates into these guidelines:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.

Frequently asked questions

What are December temperatures?

In McFarland, 50.4°F (10.2°C) is the average high-temperature and 36°F (2.2°C) is the average low-temperature during December. The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, in September is computed to be 86°F (30°C).

What is the most humid month?

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

What is the average humidity in December?

The average relative humidity in December is 79%.

How much does it rain in December?

In McFarland, during December, the rain falls for 13.4 days and regularly aggregates up to 2.99" (76mm) of precipitation.

How many days does it snow in December?

In McFarland, Tennessee, during December, snow falls for 2.3 days and regularly aggregates up to 0.39" (10mm) 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.

How many hours of daylight does McFarland have in December?

The average day length in December is 9h and 50min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 7:28 am and sunset at 5:25 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 5:35 pm EST.

What are the months with the least sunshine?

The months with the least sunshine are January and December, with an average of 5.1h of sunshine.

How many hours of sunshine does McFarland have in December?

The average sunshine duration in December in McFarland is 5.1h.

What are the months with the lowest UV index?

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

How high is the UV index in December?

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
McFarland, TN

Average temperature in December - McFarland, TN
  • Average high temperature in December: 50.4°F

The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (46°F).

  • Average low temperature in December: 36°F

The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).

Average pressure in December
McFarland, TN

Average pressure in December - McFarland, 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
McFarland, TN

Average wind speed in December - McFarland, TN
  • Average wind speed in December: 5.8mph

The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).

Average humidity in December
McFarland, TN

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

The month with the highest relative humidity is December (79%).
The months with the lowest relative humidity are August, October and November (75%).

Average rainfall in December
McFarland, TN

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

The wettest month (with the highest rainfall) is July (3.94").
The driest months (with the least rainfall) are September and November (1.89").

Average rainfall days in December
McFarland, TN

Average rainfall days in December - McFarland, TN
  • Average rainfall days in December: 13.4 days

The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is November (9.1 days).

Average snowfall in December
McFarland, TN

Average snowfall in December - McFarland, TN
  • Average snowfall in December: 0.39"

The month with the highest snowfall is February (0.83").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
McFarland, TN

Average snowfall days in December - McFarland, TN
  • Average snowfall days in December: 2.3 days

The month with the highest number of snowfall days is January (4.6 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
McFarland, TN

Average daylight in December / Average sunshine in December - McFarland, 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 1min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are January and December (Average sunshine: 5h and 6min).

Average sunshine days in December
McFarland, TN

Average sunshine days in December - McFarland, TN
  • Average sunshine days in December: 15.5 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (10.4 days).

Average UV index in December
McFarland, TN

Average UV index in December - McFarland, 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
McFarland, TN

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

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 28).

Average visibility in December
McFarland, TN

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

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

McFarland, Tennessee, USA

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