December weather forecast
Macey, TN

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Weather in December

The first month of the winter, December, is still a chilly month in Macey, Tennessee, with an average temperature ranging between min 35.2°F (1.8°C) and max 48.6°F (9.2°C).

Temperature

December's arrival comes with a mild decrease in the average high-temperature, moving subtly from a mild 56.7°F (13.7°C) in November to a chilly 48.6°F (9.2°C). Throughout the month of December, the nighttime temperature dips to an average of 35.2°F (1.8°C).

Humidity

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

Rainfall

In December, the rain falls for 13.5 days. Throughout December, 3.27" (83mm) of precipitation is accumulated. Throughout the year, there are 177.2 rainfall days, and 40.94" (1040mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. In Macey, during December, snow falls for 2.6 days and regularly aggregates up to 0.39" (10mm) of snow. Throughout the year, there are 14 snowfall days, and 3.58" (91mm) of snow is accumulated.

Daylight

With an average of 9h and 42min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 6:37 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 4:39 pm CST.

Sunshine

In December, the average sunshine is 4.6h.

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 reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.
Note: A maximum UV index of 2 in December translates into the following recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Updated: Aug 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in December in Macey?

In Macey, 48.6°F (9.2°C) is the average high-temperature and 35.2°F (1.8°C) is the average low-temperature during December. In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 84.2°F (29°C).

What is the most humid month?

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

What is the average humidity in December?

In December, the average relative humidity is 80%.

How many days does it rain in December?

In December, the rain falls for 13.5 days. Throughout December, 3.27" (83mm) of precipitation is accumulated.

How much does it snow in December?

In Macey, in December, snow falls for 2.6 days, with typically accumulated 0.39" (10mm) of snow.

What is the month with the shortest days?

December has the shortest days of the year in Macey, with an average of 9h and 42min of daylight.

What is the average length of the day in December?

The average day length in December is 9h and 44min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 6:37 am and sunset at 4:28 pm. On the last day of the month, in Macey, sunrise is at 6:55 am and sunset at 4:39 pm CST.

How long on average sun shines in December?

In Macey, the average sunshine duration in December is 4.6h.

What is the month 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?

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

Average temperature in December - Macey, TN
  • Average high temperature in December: 48.6°F

The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (43.7°F).

  • Average low temperature in December: 35.2°F

The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).

Average pressure in December
Macey, TN

Average pressure in December - Macey, 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 (29.97"Hg).

Average wind speed in December
Macey, TN

Average wind speed in December - Macey, TN
  • Average wind speed in December: 6.8mph

The windiest month (with the highest average wind speed) is February (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity in December
Macey, TN

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

The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are October and November (76%).

Average rainfall in December
Macey, TN

Average rainfall in December - Macey, TN
  • Average rainfall in December: 3.27"

The wettest months (with the highest rainfall) are February and July (4.17").
The driest month (with the least rainfall) is September (2.32").

Average rainfall days in December
Macey, TN

Average rainfall days in December - Macey, TN
  • Average rainfall days in December: 13.5 days

The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is November (10.5 days).

Average snowfall in December
Macey, TN

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

The month with the highest snowfall is February (1.34").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Macey, TN

Average snowfall days in December - Macey, TN
  • Average snowfall days in December: 2.6 days

The month with the highest number of snowfall days is January (4.5 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
Macey, TN

Average daylight in December / Average sunshine in December - Macey, TN
  • Average daylight in December: 9h and 4min

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 42min).

  • 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 18min).

Average sunshine days in December
Macey, TN

Average sunshine days in December - Macey, TN
  • Average sunshine days in December: 15.2 days

The months with the most sunshine days are October and November (18 days).
The month with the least sunshine days is July (10 days).

Average UV index in December
Macey, TN

Average UV index in December - Macey, 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
Macey, TN

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

The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is June (Cloud cover 30).

Average visibility in December
Macey, TN

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

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

Macey, Tennessee, USA

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