December weather forecast
South Mapleton Hills, TN

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Weather in December

December, the first month of the winter in South Mapleton Hills, is also a fresh month, with an average temperature ranging between max 50.5°F (10.3°C) and min 36.1°F (2.3°C).

Temperature

The start of December comes with a small reduction in the average high-temperature, subtly receding from a mild 58.1°F (14.5°C) in November to a cool 50.5°F (10.3°C). In South Mapleton Hills, December's nights observe an average temperature dip to a cold 36.1°F (2.3°C).

Humidity

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

Rainfall

In South Mapleton Hills, in December, it is raining for 11.4 days, with typically 2.36" (60mm) of accumulated precipitation. In South Mapleton Hills, during the entire year, the rain falls for 148 days and collects up to 23.9" (607mm) of precipitation.

Snowfall

Months with snowfall are January through March, November and December. In December, it is snowing for 0.7 days. Throughout December, 0.24" (6mm) of snow is accumulated. Throughout the year, there are 5.2 snowfall days, and 1.77" (45mm) 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 the month, sunrise is at 7:30 am and sunset at 5:27 pm. On the last day of December, sunrise is at 7:47 am and sunset at 5:37 pm EST.

Sunshine

The month with the least sunshine is December, with an average of 5.1h of sunshine.

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 minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: The UV index of 2 in December translates into these instructions:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. 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. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Updated: Aug 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in December?

The high-temperature, in December, in South Mapleton Hills, records 50.5°F (10.3°C), while the low-temperature is 36.1°F (2.3°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines air temperature and relative humidity, in September is calculated to be 87.8°F (31°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 South Mapleton Hills, the average relative humidity in December is 80%.

How much does it rain in December?

In South Mapleton Hills, in December, during 11.4 rainfall days, 2.36" (60mm) of precipitation is typically accumulated.

How many days does it snow in December?

In South Mapleton Hills, in December, snow falls for 0.7 days, with typically accumulated 0.24" (6mm) of snow.

What is the month with the shortest days?

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

What is the average length of the day in December?

In December, the average day length is 9h and 50min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:30 am and sunset at 5:27 pm. On the last day of the month, sunrise is at 7:47 am and sunset at 5:37 pm EST.

What is the month with the least sunshine?

With an average of 5.1h of sunshine, December has the least sunshine of the year.

How many hours of sunshine does South Mapleton Hills have in December?

In South Mapleton Hills, the average sunshine duration in December is 5.1h.

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.

What is the UV index intensity in December?

The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe 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
South Mapleton Hills, TN

Average temperature in December - South Mapleton Hills, TN
  • Average high temperature in December: 50.5°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 (46.4°F).

  • Average low temperature in December: 36.1°F

The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (30.9°F).

Average pressure in December
South Mapleton Hills, TN

Average pressure in December - South Mapleton Hills, 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 (29.98"Hg).

Average wind speed in December
South Mapleton Hills, TN

Average wind speed in December - South Mapleton Hills, TN
  • Average wind speed in December: 6mph

The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).

Average humidity in December
South Mapleton Hills, TN

Average humidity in December - South Mapleton Hills, TN
  • Average humidity in December: 80%

The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are June, July, August, September, October and November (75%).

Average rainfall in December
South Mapleton Hills, TN

Average rainfall in December - South Mapleton Hills, TN
  • Average rainfall in December: 2.36"

The wettest month (with the highest rainfall) is July (2.64").
The driest month (with the least rainfall) is September (1.3").

Average rainfall days in December
South Mapleton Hills, TN

Average rainfall days in December - South Mapleton Hills, TN
  • Average rainfall days in December: 11.4 days

The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is November (7.3 days).

Average snowfall in December
South Mapleton Hills, TN

Average snowfall in December - South Mapleton Hills, TN
  • Average snowfall in December: 0.24"

The month with the highest snowfall is February (0.75").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
South Mapleton Hills, TN

Average snowfall days in December - South Mapleton Hills, TN
  • Average snowfall days in December: 0.7 days

The month with the highest number of snowfall days is February (1.7 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
South Mapleton Hills, TN

Average daylight in December / Average sunshine in December - South Mapleton Hills, 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: 5h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

Average sunshine days in December
South Mapleton Hills, TN

Average sunshine days in December - South Mapleton Hills, TN
  • Average sunshine days in December: 17.7 days

The months with the most sunshine days are October and November (21.2 days).
The month with the least sunshine days is July (11.6 days).

Average UV index in December
South Mapleton Hills, TN

Average UV index in December - South Mapleton Hills, 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
South Mapleton Hills, TN

Average cloud cover in December - South Mapleton Hills, TN
  • Average cloud cover in December: 47

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 29).

Average visibility in December
South Mapleton Hills, TN

Average visibility in December - South Mapleton Hills, TN
  • Average visibility in December: 5mi

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

South Mapleton Hills, Tennessee, USA

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