December weather forecast
Rayon City, TN

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Weather in December

December, the first month of the winter in Rayon City, is still a chilly month, with an average temperature varying between 48.2°F (9°C) and 35.4°F (1.9°C).

Temperature

With the arrival of December, Rayon City experiences a modest decline in average high-temperatures, transitioning from a mild 56.8°F (13.8°C) in November to a frosty 48.2°F (9°C). Throughout December, Rayon City witnesses a consistent average low-temperature of 35.4°F (1.9°C).

Humidity

March and December, with an average relative humidity of 78%, are the most humid months.

Rainfall

In December, the rain falls for 13.3 days. Throughout December, 3.07" (78mm) of precipitation is accumulated. In Rayon City, during the entire year, the rain falls for 178.6 days and collects up to 39.29" (998mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. In Rayon City, Tennessee, during December, snow falls for 1.9 days and regularly aggregates up to 0.43" (11mm) of snow. Throughout the year, there are 11.8 snowfall days, and 3.62" (92mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 42min of daylight.
On the first day of December, sunrise is at 6:40 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 4:42 pm CST.

Sunshine

The months with the least sunshine are January, February and December, with an average of 4.6h 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 of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The UV index of 2 in December translates into these instructions:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Updated: Aug 20, 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 Rayon City, is 48.2°F (9°C), while the low-temperature averages to 35.4°F (1.9°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in September is estimated at 86°F (30°C).

What are the most humid months?

The months with the highest humidity are March and December, with an average relative humidity of 78%.

What is the average humidity in December?

The average relative humidity in December is 78%.

How many days does it rain in December?

In Rayon City, during December, the rain falls for 13.3 days and regularly aggregates up to 3.07" (78mm) of precipitation.

How much does it snow in December?

In Rayon City, during December, snow falls for 1.9 days and regularly aggregates up to 0.43" (11mm) of snow.

What is the month with the shortest days in Rayon City?

The month with the shortest days is December, with an average of 9h and 42min of daylight.

How many hours of daylight does Rayon City have in December?

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

When are sunrise and sunset in December in Rayon City?

On the first day of December, sunrise is at 6:40 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 4:42 pm CST.

What is the month with the least sunshine?

The months with the least sunshine are January, February and December, with an average of 4.6h of sunshine.

How long on average sun shines in December?

The average sunshine duration in December is 4.6h.

What is the month with 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 low health threat 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
Rayon City, TN

Average temperature in December - Rayon City, TN
  • Average high temperature in December: 48.2°F

The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (43.9°F).

  • Average low temperature in December: 35.4°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).

Average pressure in December
Rayon City, TN

Average pressure in December - Rayon City, 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
Rayon City, TN

Average wind speed in December - Rayon City, 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 (4.7mph).

Average humidity in December
Rayon City, TN

Average humidity in December - Rayon City, TN
  • Average humidity in December: 78%

The months with the highest relative humidity are March and December (78%).
The month with the lowest relative humidity is October (73%).

Average rainfall in December
Rayon City, TN

Average rainfall in December - Rayon City, TN
  • Average rainfall in December: 3.07"

The wettest month (with the highest rainfall) is July (4.45").
The driest month (with the least rainfall) is September (2.36").

Average rainfall days in December
Rayon City, TN

Average rainfall days in December - Rayon City, TN
  • Average rainfall days in December: 13.3 days

The month with the highest number of rainy days is July (20 days).
The month with the least rainy days is November (10.4 days).

Average snowfall in December
Rayon City, TN

Average snowfall in December - Rayon City, TN
  • Average snowfall in December: 0.43"

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

Average snowfall days in December
Rayon City, TN

Average snowfall days in December - Rayon City, TN
  • Average snowfall days in December: 1.9 days

The month with the highest number of snowfall days is January (4.2 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
Rayon City, TN

Average daylight in December / Average sunshine in December - Rayon City, 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, February and December (Average sunshine: 4h and 36min).

Average sunshine days in December
Rayon City, TN

Average sunshine days in December - Rayon City, TN
  • Average sunshine days in December: 15 days

The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is July (9.2 days).

Average UV index in December
Rayon City, TN

Average UV index in December - Rayon City, 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
Rayon City, TN

Average cloud cover in December - Rayon City, 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
Rayon City, TN

Average visibility in December - Rayon City, 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).

Rayon City, Tennessee, USA

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