December weather forecast
Fosterville, TN

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Weather in December

The first month of the winter, December, is still a cool month in Fosterville, Tennessee, with an average temperature varying between 36.3°F (2.4°C) and 50°F (10°C).

Temperature

December signifies a gentle decline in Fosterville's average high-temperature, easing from a moderate 57.6°F (14.2°C) in November to a cool 50°F (10°C). During December in Fosterville, the average low-temperature is recorded at an icy 36.3°F (2.4°C).

Humidity

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

Rainfall

In December, the rain falls for 12.1 days. Throughout December, 3.35" (85mm) of precipitation is accumulated. Throughout the year, there are 167.2 rainfall days, and 38.78" (985mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall in Fosterville. In Fosterville, in December, snow falls for 2 days, with typically accumulated 0.55" (14mm) of snow. In Fosterville, during the entire year, snow falls for 10.7 days and aggregates up to 2.83" (72mm) 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 December in Fosterville, sunrise is at 6:37 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 4:42 pm CST.

Sunshine

In December, the average sunshine in Fosterville is 4.6h.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In December, the maximum UV index of 2 suggests these recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Stay sun-safe with clothing that is both closely woven and worn loosely. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
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Frequently asked questions

What are the temperatures in Fosterville in December?

December temperatures vary between a high-temperature of 50°F (10°C) and a low-temperature of 36.3°F (2.4°C). In September, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 86°F (30°C).

What is the most humid month in Fosterville?

December is the most humid month in Fosterville, Tennessee, with an average relative humidity of 80%.

What is the average humidity in December in Fosterville?

In Fosterville, the average relative humidity in December is 80%.

How much does it rain in Fosterville in December?

In December, in Fosterville, Tennessee, the rain falls for 12.1 days. Throughout December, 3.35" (85mm) of precipitation is accumulated.

How much does it snow in Fosterville in December?

In Fosterville, in December, during 2 snowfall days, 0.55" (14mm) of snow is typically accumulated.

What is the month with the shortest days in Fosterville?

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

How many hours of daylight does Fosterville have in December?

In December, the average day length in Fosterville, Tennessee, is 9h and 47min.

When are sunrise and sunset in December in Fosterville?

In December, on the first day of the month, sunrise is at 6:37 am and sunset at 4:32 pm. On the last day of the month, in Fosterville, sunrise is at 6:55 am and sunset at 4:42 pm CST.

How many hours of sunshine does Fosterville have in December?

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

When is the lowest UV index in Fosterville?

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

What is the UV index reading in December in Fosterville?

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

Average temperature in December - Fosterville, TN
  • Average high temperature in December: 50°F

The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (45.5°F).

  • Average low temperature in December: 36.3°F

The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (31.3°F).

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Average pressure in December
Fosterville, TN

Average pressure in December - Fosterville, 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).

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Average wind speed in December
Fosterville, TN

Average wind speed in December - Fosterville, TN
  • Average wind speed in December: 8mph

The windiest month (with the highest average wind speed) is February (8.5mph).
The calmest month (with the lowest average wind speed) is July (4.7mph).

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Average humidity in December
Fosterville, TN

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

The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in December
Fosterville, TN

Average rainfall in December - Fosterville, TN
  • Average rainfall in December: 3.35"

The wettest month (with the highest rainfall) is February (4.33").
The driest month (with the least rainfall) is September (2.09").

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Average rainfall days in December
Fosterville, TN

Average rainfall days in December - Fosterville, TN
  • Average rainfall days in December: 12.1 days

The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is November (8.9 days).

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Average snowfall in December
Fosterville, TN

Average snowfall in December - Fosterville, TN
  • Average snowfall in December: 0.55"

The month with the highest snowfall is February (1.02").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Fosterville, TN

Average snowfall days in December - Fosterville, TN
  • Average snowfall days in December: 2 days

The month with the highest number of snowfall days is January (3.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Fosterville, 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: 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).

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Average sunshine days in December
Fosterville, TN

Average sunshine days in December - Fosterville, TN
  • Average sunshine days in December: 16.7 days

The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is July (10.1 days).

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Average UV index in December
Fosterville, TN

Average UV index in December - Fosterville, 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).

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Average cloud cover in December
Fosterville, TN

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

The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 31).

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Average visibility in December
Fosterville, TN

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

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

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Fosterville, Tennessee, USA

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