December weather forecast
Hillrose, TN

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Weather in December

December, the first month of the winter in Hillrose, is still a chilly month, with an average temperature fluctuating between 48.6°F (9.2°C) and 35.1°F (1.7°C).

Temperature

Hillrose's weather in December involves a mild decrease in the average high-temperature, moving down slightly from November's moderate 56.5°F (13.6°C) to a frosty 48.6°F (9.2°C). Hillrose reports an average low-temperature of 35.1°F (1.7°C) during the nights of December.

Humidity

The most humid month in Hillrose is December, with an average relative humidity of 80%.

Rainfall

In Hillrose, in December, during 12.7 rainfall days, 3.15" (80mm) of precipitation is typically accumulated. In Hillrose, during the entire year, the rain falls for 170.4 days and collects up to 37.99" (965mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. In Hillrose, in December, during 2.5 snowfall days, 0.55" (14mm) of snow is typically accumulated. Throughout the year, there are 13.4 snowfall days, and 4.29" (109mm) of snow is accumulated.

Daylight

With an average of 9h and 48min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 6:35 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 4:38 pm CST.

Sunshine

In December, the average sunshine is 4.8h.

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 exposure to the Sun's UV rays for ordinary individuals.
Note: In December, an average UV index of 2 transforms into the following instructions:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Updated: Jul 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are December temperatures?

In December, the average high-temperature and low-temperature are 48.6°F (9.2°C) and 35.1°F (1.7°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, in August is computed to be 98.6°F (37°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 in Hillrose is 80%.

How much does it rain in December?

In Hillrose, during December, the rain falls for 12.7 days and regularly aggregates up to 3.15" (80mm) of precipitation.

How much does it snow in December?

In Hillrose, during December, snow falls for 2.5 days and regularly aggregates up to 0.55" (14mm) of snow.

What is the month with the shortest days in Hillrose?

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

How many hours of daylight does Hillrose have in December?

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

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 6:35 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 4:38 pm CST.

How long on average sun shines in December?

In December, the average sunshine duration is 4.8h.

When is 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 December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to 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
Hillrose, TN

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

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (43.9°F).

  • Average low temperature in December: 35.1°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).

Average pressure in December
Hillrose, TN

Average pressure in December - Hillrose, TN
  • Average pressure in December: 30.15"Hg

The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

Average wind speed in December
Hillrose, TN

Average wind speed in December - Hillrose, TN
  • Average wind speed in December: 6.7mph

The windiest month (with the highest average wind speed) is February (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity in December
Hillrose, TN

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

The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is November (75%).

Average rainfall in December
Hillrose, TN

Average rainfall in December - Hillrose, TN
  • Average rainfall in December: 3.15"

The wettest month (with the highest rainfall) is February (4.09").
The driest month (with the least rainfall) is September (1.97").

Average rainfall days in December
Hillrose, TN

Average rainfall days in December - Hillrose, TN
  • Average rainfall days in December: 12.7 days

The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is November (9.5 days).

Average snowfall in December
Hillrose, TN

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

The month with the highest snowfall is February (1.61").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Hillrose, TN

Average snowfall days in December - Hillrose, TN
  • Average snowfall days in December: 2.5 days

The month with the highest number of snowfall days is January (3.9 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
Hillrose, TN

Average daylight in December / Average sunshine in December - Hillrose, 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 5min

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 24min).

Average sunshine days in December
Hillrose, TN

Average sunshine days in December - Hillrose, TN
  • Average sunshine days in December: 16.3 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is July (10.3 days).

Average UV index in December
Hillrose, TN

Average UV index in December - Hillrose, 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
Hillrose, TN

Average cloud cover in December - Hillrose, TN
  • Average cloud cover in December: 50

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
Hillrose, TN

Average visibility in December - Hillrose, 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).

Hillrose, Tennessee, USA

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