December weather forecast
Riverbend, SC

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Weather in December

December, the first month of the winter in Riverbend, is still a mild month, with an average temperature varying between 60.6°F (15.9°C) and 45.9°F (7.7°C).

Temperature

The onset of December entails a subtle temperature shift, as the average high-temperature eases from a comfortable 66.2°F (19°C) in November to a mild 60.6°F (15.9°C). The temperature lowers to an average of 45.9°F (7.7°C) during December nights.

Humidity

The most humid month is December, with an average relative humidity of 77%.

Rainfall

In Riverbend, during December, the rain falls for 10.8 days and regularly aggregates up to 4.17" (106mm) of precipitation. In Riverbend, during the entire year, the rain falls for 172.6 days and collects up to 39.13" (994mm) of precipitation.

Snowfall

January, February and December are months with snowfall. December is the first month it typically snows in Riverbend. Throughout December, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, in Riverbend, there are 0.9 snowfall days, and 0.39" (10mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 10h and 0min of daylight.
On the first day of December in Riverbend, South Carolina, sunrise is at 7:05 am and sunset at 5:13 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 5:24 pm EST.

Sunshine

With an average of 5.6h of sunshine, December has the least sunshine of the year in Riverbend.

UV index

In December, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: In December, the UV index of 4 transforms into the following advice:
Make use of precautions - It is urged to ward off sun damage. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
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Frequently asked questions

What are the temperatures in Riverbend in December?

The high-temperature in Riverbend, South Carolina, during December is 60.6°F (15.9°C) and the low-temperature is 45.9°F (7.7°C). In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, is estimated at 95°F (35°C).

What is the most humid month in Riverbend?

With an average relative humidity of 77%, December is the most humid month in Riverbend.

What is the average humidity in December in Riverbend?

In Riverbend, South Carolina, the average relative humidity in December is 77%.

How many days does it rain in December in Riverbend?

In Riverbend, during December, the rain falls for 10.8 days and regularly aggregates up to 4.17" (106mm) of precipitation.

When does it start snowing in Riverbend?

December is the first month it typically snows in Riverbend. Throughout December, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow.

What is the month with the shortest days in Riverbend?

The month with the shortest days in Riverbend, South Carolina, is December, with an average of 10h and 0min of daylight.

How many hours of daylight does Riverbend have in December?

In Riverbend, the average day length in December is 10h and 2min.

What time are sunrise and sunset in December in Riverbend?

In December, on the first day of the month, sunrise is at 7:05 am and sunset at 5:13 pm. On the last day of the month, in Riverbend, sunrise is at 7:22 am and sunset at 5:24 pm EST.

What is the month with the least sunshine in Riverbend?

December has the least sunshine of the year in Riverbend, with an average of 5.6h of sunshine.

How long on average sun shines in December in Riverbend?

In December, the average sunshine duration in Riverbend, South Carolina, is 5.6h.

How high is the UV index in December in Riverbend?

In Riverbend, the average daily maximum UV index in December is 4. A UV Index of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Riverbend, SC

Average temperature in December - Riverbend, SC
  • Average high temperature in December: 60.6°F

The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (56.8°F).

  • Average low temperature in December: 45.9°F

The month with the highest average low temperature is July (75.7°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).

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Average pressure in December
Riverbend, SC

Average pressure in December - Riverbend, SC
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).

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Average wind speed in December
Riverbend, SC

Average wind speed in December - Riverbend, SC
  • Average wind speed in December: 6.9mph

The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).

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Average humidity in December
Riverbend, SC

Average humidity in December - Riverbend, SC
  • Average humidity in December: 77%

The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are January and March (72%).

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Average rainfall in December
Riverbend, SC

Average rainfall in December - Riverbend, SC
  • Average rainfall in December: 4.17"

The wettest month (with the highest rainfall) is August (6.22").
The driest month (with the least rainfall) is January (1.46").

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Average rainfall days in December
Riverbend, SC

Average rainfall days in December - Riverbend, SC
  • Average rainfall days in December: 10.8 days

The month with the highest number of rainy days is August (23.4 days).
The month with the least rainy days is November (8.2 days).

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Average snowfall in December
Riverbend, SC

Average snowfall in December - Riverbend, SC
  • Average snowfall in December: 0.04"

The month with the highest snowfall is February (0.28").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").

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Average snowfall days in December
Riverbend, SC

Average snowfall days in December - Riverbend, SC
  • Average snowfall days in December: 0.2 days

The months with the highest number of snowfall days are January and February (0.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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Average daylight in December /
Average sunshine in December
Riverbend, SC

Average daylight in December / Average sunshine in December - Riverbend, SC
  • Average daylight in December: 10h and 0min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in December: 5h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).

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Average sunshine days in December
Riverbend, SC

Average sunshine days in December - Riverbend, SC
  • Average sunshine days in December: 19.1 days

The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is August (5.8 days).

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Average UV index in December
Riverbend, SC

Average UV index in December - Riverbend, SC
  • Average UV index in December: 4

The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).

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Average cloud cover in December
Riverbend, SC

Average cloud cover in December - Riverbend, SC
  • Average cloud cover in December: 41

The month with the most cloud cover is December (Cloud cover 41).
The months with the least cloud cover are June and July (Cloud cover 27).

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Average visibility in December
Riverbend, SC

Average visibility in December - Riverbend, SC
  • 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).

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Riverbend, South Carolina, USA

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