December weather forecast
O'Conner, TN

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Weather in December

December, the first month of the winter in O'Conner, is still a chilly month, with temperature in the range of an average low of 34.7°F (1.5°C) and an average high of 48.7°F (9.3°C).

Temperature

Transitioning from November to December involves a subtle drop in average high-temperatures, descending from a mild 56.3°F (13.5°C) to a chilly 48.7°F (9.3°C). Throughout December, the average low-temperature dips to a cold 34.7°F (1.5°C).

Humidity

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

Rainfall

In O'Conner, in December, during 12.3 rainfall days, 2.24" (57mm) of precipitation is typically accumulated. Throughout the year, in O'Conner, there are 167.9 rainfall days, and 33.98" (863mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. In O'Conner, during December, snow falls for 4.1 days and regularly aggregates up to 0.83" (21mm) of snow. Throughout the year, there are 19.8 snowfall days, and 4.49" (114mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 48min of daylight.
On the first day of the month, sunrise is at 6:34 am and sunset at 4:27 pm. On the last day of December, sunrise is at 6:52 am and sunset at 4:38 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 of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: During December, 2 as the daily maximum UV index converts into the following advice:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Updated: Aug 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for O'Conner in December?

In O'Conner, in December, the average high-temperature is 48.7°F (9.3°C), and the average low-temperature is 34.7°F (1.5°C). In August, the average heat index (a.k.a. 'real feel', 'feels like'), which combines relative humidity and air temperature, is estimated at 96.8°F (36°C).

What is the most humid month?

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

What is the average humidity in December?

In December, the average relative humidity in O'Conner is 80%.

How many days does it rain in December?

In O'Conner, Tennessee, in December, it is raining for 12.3 days, with typically 2.24" (57mm) of accumulated precipitation.

How much does it snow in December?

In O'Conner, in December, during 4.1 snowfall days, 0.83" (21mm) of snow is typically accumulated.

What is the month with the shortest days?

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

What is the average length of the day in December?

The average day length in December is 9h and 46min.

When is the sunrise / sunset in December in O'Conner?

In December, on the first day of the month, sunrise is at 6:34 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 4:38 pm CST.

How long on average sun shines in December?

The average sunshine duration in December is 4.7h.

What is the month 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?

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health risk 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
O'Conner, TN

Average temperature in December - O
  • Average high temperature in December: 48.7°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (43.5°F).

  • Average low temperature in December: 34.7°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).

Average pressure in December
O'Conner, TN

Average pressure in December - O
  • 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
O'Conner, TN

Average wind speed in December - O
  • Average wind speed in December: 6.9mph

The windiest month (with the highest average wind speed) is February (7.5mph).
The calmest months (with the lowest average wind speed) are July and August (4.3mph).

Average humidity in December
O'Conner, TN

Average humidity in December - O
  • 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
O'Conner, TN

Average rainfall in December - O
  • Average rainfall in December: 2.24"

The wettest month (with the highest rainfall) is July (3.86").
The driest month (with the least rainfall) is November (1.54").

Average rainfall days in December
O'Conner, TN

Average rainfall days in December - O
  • Average rainfall days in December: 12.3 days

The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is November (9.3 days).

Average snowfall in December
O'Conner, TN

Average snowfall in December - O
  • Average snowfall in December: 0.83"

The month with the highest snowfall is February (1.69").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
O'Conner, TN

Average snowfall days in December - O
  • Average snowfall days in December: 4.1 days

The month with the highest number of snowfall days is January (5.9 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
O'Conner, TN

Average daylight in December / Average sunshine in December - O
  • 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 4min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

Average sunshine days in December
O'Conner, TN

Average sunshine days in December - O
  • Average sunshine days in December: 15.5 days

The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is July (10.4 days).

Average UV index in December
O'Conner, TN

Average UV index in December - O
  • 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
O'Conner, TN

Average cloud cover in December - O
  • Average cloud cover in December: 51

The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 30).

Average visibility in December
O'Conner, TN

Average visibility in December - O
  • Average visibility in December: 6mi

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

O'Conner, Tennessee, USA

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