December weather forecast
Brian Manor, TN

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Weather in December

The first month of the winter, December, is still a chilly month in Brian Manor, Tennessee, with an average temperature varying between 49.3°F (9.6°C) and 35.8°F (2.1°C).

Temperature

Brian Manor's December weather features a light decline in high-temperatures, reducing from a moderate 57.6°F (14.2°C) in November to a chilly 49.3°F (9.6°C). Brian Manor experiences an average temperature drop to a wintry 35.8°F (2.1°C) during December nights.

Humidity

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

Rainfall

In December, the rain falls for 9.6 days. Throughout December, 1.1" (28mm) of precipitation is accumulated. Throughout the year, there are 123.1 rainfall days, and 12.76" (324mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, November and December. In Brian Manor, in December, snow falls for 1.7 days, with typically accumulated 0.2" (5mm) of snow. In Brian Manor, during the entire year, snow falls for 10.9 days and aggregates up to 0.87" (22mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 48min of daylight.
On the first day of the month, sunrise is at 6:37 am and sunset at 4:31 pm. On the last day of December, sunrise is at 6:55 am and sunset at 4:41 pm CST.

Sunshine

In December, the average sunshine is 4.7h.

UV index

January, 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 exposure to the Sun's UV rays for the ordinary person.
Note: A typical high UV index of 2 in December suggests the following recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.

Frequently asked questions

What is the usual temperature for Brian Manor in December?

December temperatures vary between a high-temperature of 49.3°F (9.6°C) and a low-temperature of 35.8°F (2.1°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, in September is estimated at 86°F (30°C).

What is the most humid month?

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

What is the average humidity in December?

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

How much does it rain in December?

In Brian Manor, in December, it is raining for 9.6 days, with typically 1.1" (28mm) of accumulated precipitation.

How much does it snow in December?

In Brian Manor, Tennessee, in December, during 1.7 snowfall days, 0.2" (5mm) of snow is typically accumulated.

What is the month with the shortest days?

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

How many hours of daylight does Brian Manor have in December?

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

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 6:37 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 4:41 pm CST.

How many hours of sunshine does Brian Manor have in December?

In Brian Manor, the average sunshine duration in December is 4.7h.

When is 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 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
Brian Manor, TN

Average temperature in December - Brian Manor, TN
  • Average high temperature in December: 49.3°F

The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (45.1°F).

  • Average low temperature in December: 35.8°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).

Average pressure in December
Brian Manor, TN

Average pressure in December - Brian Manor, 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
Brian Manor, TN

Average wind speed in December - Brian Manor, TN
  • Average wind speed in December: 7.3mph

The windiest month (with the highest average wind speed) is February (8mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).

Average humidity in December
Brian Manor, TN

Average humidity in December - Brian Manor, TN
  • Average humidity in December: 79%

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

Average rainfall in December
Brian Manor, TN

Average rainfall in December - Brian Manor, TN
  • Average rainfall in December: 1.1"

The wettest month (with the highest rainfall) is February (1.5").
The driest month (with the least rainfall) is September (0.39").

Average rainfall days in December
Brian Manor, TN

Average rainfall days in December - Brian Manor, TN
  • Average rainfall days in December: 9.6 days

The month with the highest number of rainy days is July (13.9 days).
The month with the least rainy days is November (7.3 days).

Average snowfall in December
Brian Manor, TN

Average snowfall in December - Brian Manor, TN
  • Average snowfall in December: 0.2"

The month with the highest snowfall is February (0.31").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Brian Manor, TN

Average snowfall days in December - Brian Manor, TN
  • Average snowfall days in December: 1.7 days

The month with the highest number of snowfall days is January (3.8 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
Brian Manor, TN

Average daylight in December / Average sunshine in December - Brian Manor, 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 36min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in December
Brian Manor, TN

Average sunshine days in December - Brian Manor, TN
  • Average sunshine days in December: 18.5 days

The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is July (13.3 days).

Average UV index in December
Brian Manor, TN

Average UV index in December - Brian Manor, 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
Brian Manor, TN

Average cloud cover in December - Brian Manor, TN
  • Average cloud cover in December: 51

The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 29).

Average visibility in December
Brian Manor, TN

Average visibility in December - Brian Manor, 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).

Brian Manor, Tennessee, USA

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