December weather forecast
McKenzie, TN

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Weather in December

December, the first month of the winter in McKenzie, is also a frosty month, with an average temperature varying between 48°F (8.9°C) and 35.4°F (1.9°C).

Temperature

McKenzie's transition into December involves a gentle shift in temperature, receding from a refreshing 56.8°F (13.8°C) in November to a frosty 48°F (8.9°C). Throughout December, McKenzie registers a consistent average low-temperature of 35.4°F (1.9°C).

Humidity

In December, the average relative humidity is 79%.

Rainfall

In McKenzie, in December, it is raining for 12.6 days, with typically 3.58" (91mm) of accumulated precipitation. In McKenzie, during the entire year, the rain falls for 166.6 days and collects up to 38.98" (990mm) of precipitation.

Snowfall

Months with snowfall are January through March, November and December. In McKenzie, Tennessee, in December, during 1.3 snowfall days, 0.59" (15mm) of snow is typically accumulated. In McKenzie, Tennessee, during the entire year, snow falls for 9.5 days and aggregates up to 3.98" (101mm) of snow.

Daylight

The month with the shortest days in McKenzie is December, with an average of 9h and 48min of daylight.
On the first day of December, sunrise is at 6:47 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 4:49 pm CST.

Sunshine

In December, the average sunshine is 4.7h.

UV index

February 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 threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The daily high UV index of 2 during December translates into the following recommendations:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Avoiding the Sun during its peak radiation time around midday is a healthy practice. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Updated: Jun 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in December?

The high-temperature, in December, in McKenzie, records 48°F (8.9°C), while the low-temperature is 35.4°F (1.9°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in September is computed to be 87.8°F (31°C).

What is the average humidity in December?

In McKenzie, the average relative humidity in December is 79%.

How many days does it rain in December?

In McKenzie, in December, during 12.6 rainfall days, 3.58" (91mm) of precipitation is typically accumulated.

How much does it snow in McKenzie in December?

In McKenzie, in December, during 1.3 snowfall days, 0.59" (15mm) 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.

How many hours of daylight does McKenzie have in December?

In McKenzie, the average day length in December is 9h and 45min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 6:47 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 4:49 pm CST.

How long on average sun shines in December in McKenzie?

The average sunshine duration in December is 4.7h.

What are the months with the lowest UV index?

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 in McKenzie?

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

Average temperature in December - McKenzie, TN
  • Average high temperature in December: 48°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (43.9°F).

  • Average low temperature in December: 35.4°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (30.4°F).

Average pressure in December
McKenzie, TN

Average pressure in December - McKenzie, 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
McKenzie, TN

Average wind speed in December - McKenzie, TN
  • Average wind speed in December: 8.3mph

The windiest month (with the highest average wind speed) is February (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

Average humidity in December
McKenzie, TN

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

The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is October (72%).

Average rainfall in December
McKenzie, TN

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

The wettest month (with the highest rainfall) is February (4.17").
The driest month (with the least rainfall) is September (1.89").

Average rainfall days in December
McKenzie, TN

Average rainfall days in December - McKenzie, TN
  • Average rainfall days in December: 12.6 days

The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is November (10.2 days).

Average snowfall in December
McKenzie, TN

Average snowfall in December - McKenzie, TN
  • Average snowfall in December: 0.59"

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

Average snowfall days in December
McKenzie, TN

Average snowfall days in December - McKenzie, TN
  • Average snowfall days in December: 1.3 days

The month with the highest number of snowfall days is January (3.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - McKenzie, 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 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in December
McKenzie, TN

Average sunshine days in December - McKenzie, TN
  • Average sunshine days in December: 16.2 days

The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is July (11.5 days).

Average UV index in December
McKenzie, TN

Average UV index in December - McKenzie, 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
McKenzie, TN

Average cloud cover in December - McKenzie, 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 28).

Average visibility in December
McKenzie, TN

Average visibility in December - McKenzie, 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).

McKenzie, Tennessee, USA

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