December weather forecast
Haysboro, TN

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Weather in December

The first month of the winter, December, is also a frosty month in Haysboro, Tennessee, with an average temperature varying between 35.6°F (2°C) and 48.9°F (9.4°C).

Temperature

As December arrives, Haysboro's weather displays a minor decrease in high-temperatures, transitioning from November's moderate 57.4°F (14.1°C) to a chilly 48.9°F (9.4°C). In December, Haysboro reports a consistent average low-temperature of 35.6°F (2°C) during the nights.

Humidity

December is the most humid month, with an average relative humidity of 78%.

Rainfall

In December, the rain falls for 11.8 days. Throughout December, 2.28" (58mm) of precipitation is accumulated. In Haysboro, during the entire year, the rain falls for 169.9 days and collects up to 31.3" (795mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. In December, it is snowing for 3 days. Throughout December, 0.35" (9mm) of snow is accumulated. Throughout the year, in Haysboro, Tennessee, there are 14.6 snowfall days, and 2.99" (76mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 42min of daylight.
On the first day of December, sunrise is at 6:40 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 4:42 pm CST.

Sunshine

In December, the average sunshine is 4.7h.

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 low health risk from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Updated: Jul 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are December temperatures?

The average high-temperature and low-temperature during December are 48.9°F (9.4°C) and 35.6°F (2°C) respectively. In September, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, is appraised at 86°F (30°C).

What is the most humid month?

The most humid month is December, with an average relative humidity of 78%.

What is the average humidity in December?

In Haysboro, Tennessee, the average relative humidity in December is 78%.

How much does it rain in Haysboro in December?

In December, in Haysboro, the rain falls for 11.8 days. Throughout December, 2.28" (58mm) of precipitation is accumulated.

How much does it snow in December?

In Haysboro, in December, snow falls for 3 days, with typically accumulated 0.35" (9mm) of snow.

What is the month with the shortest days?

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

What is the average length of the day in December?

In Haysboro, Tennessee, the average day length in December is 9h and 44min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 6:40 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 4:42 pm CST.

How long on average sun shines in December?

The average sunshine duration in December in Haysboro is 4.7h.

What are the months with the lowest UV index?

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

What is the UV index intensity in December?

In Haysboro, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability 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
Haysboro, TN

Average temperature in December - Haysboro, TN
  • Average high temperature in December: 48.9°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 (44.1°F).

  • Average low temperature in December: 35.6°F

The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).

Average pressure in December
Haysboro, TN

Average pressure in December - Haysboro, 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
Haysboro, TN

Average wind speed in December - Haysboro, TN
  • Average wind speed in December: 7.5mph

The windiest month (with the highest average wind speed) is February (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.6mph).

Average humidity in December
Haysboro, TN

Average humidity in December - Haysboro, TN
  • Average humidity in December: 78%

The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is October (72%).

Average rainfall in December
Haysboro, TN

Average rainfall in December - Haysboro, TN
  • Average rainfall in December: 2.28"

The wettest month (with the highest rainfall) is July (4.02").
The driest month (with the least rainfall) is November (1.77").

Average rainfall days in December
Haysboro, TN

Average rainfall days in December - Haysboro, TN
  • Average rainfall days in December: 11.8 days

The month with the highest number of rainy days is July (20.2 days).
The month with the least rainy days is November (9.7 days).

Average snowfall in December
Haysboro, TN

Average snowfall in December - Haysboro, TN
  • Average snowfall in December: 0.35"

The month with the highest snowfall is January (0.94").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Haysboro, TN

Average snowfall days in December - Haysboro, TN
  • Average snowfall days in December: 3 days

The month with the highest number of snowfall days is January (4.7 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
Haysboro, TN

Average daylight in December / Average sunshine in December - Haysboro, 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 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).

Average sunshine days in December
Haysboro, TN

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

The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is July (9.4 days).

Average UV index in December
Haysboro, TN

Average UV index in December - Haysboro, 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
Haysboro, TN

Average cloud cover in December - Haysboro, TN
  • Average cloud cover in December: 51

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

Average visibility in December
Haysboro, TN

Average visibility in December - Haysboro, 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).

Haysboro, Tennessee, USA

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