December weather forecast
Ellwood, SC

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Weather in December

The first month of the winter, December, is still a mild month in Ellwood, South Carolina, with an average temperature varying between 59.4°F (15.2°C) and 45.5°F (7.5°C).

Temperature

The advent of December brings a slight shift in average high-temperature, moving from a comfortable 65.3°F (18.5°C) in November to a mild 59.4°F (15.2°C). During December, Ellwood's temperature averages to a chilly 45.5°F (7.5°C) at night.

Humidity

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

Rainfall

In Ellwood, in December, during 10.6 rainfall days, 4.69" (119mm) of precipitation is typically accumulated. In Ellwood, during the entire year, the rain falls for 179.5 days and collects up to 40.79" (1036mm) of precipitation.

Snowfall

Months with snowfall are January, February and December. December is the first month it typically snows. Throughout December, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. In Ellwood, South Carolina, during the entire year, snow falls for 1 days and aggregates up to 0.31" (8mm) of snow.

Daylight

December has the shortest days of the year, with an average of 10h and 0min of daylight.
On the first day of December, sunrise is at 7:05 am and sunset at 5:12 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 5:23 pm EST.

Sunshine

With an average of 5.7h of sunshine, December has the least sunshine of the year.

UV index

January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The UV index of 3 in December translates into these instructions:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Updated: Aug 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average December temperature?

In December, the average high-temperature and low-temperature are 59.4°F (15.2°C) and 45.5°F (7.5°C) respectively. The average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, in September is computed to be 93.2°F (34°C).

What is the most humid month in Ellwood?

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

What is the average humidity in December?

In Ellwood, the average relative humidity in December is 78%.

How many days does it rain in December?

In Ellwood, during December, the rain falls for 10.6 days and regularly aggregates up to 4.69" (119mm) of precipitation.

When does it start snowing?

December is the first month it typically snows in Ellwood. Throughout December, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow.

What is the month with the shortest days in Ellwood?

December has the shortest days of the year, with an average of 10h and 0min of daylight.

What is the average length of the day in December?

In December, the average day length is 10h and 1min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:05 am and sunset at 5:12 pm. On the last day of the month, in Ellwood, sunrise is at 7:22 am and sunset at 5:23 pm EST.

What is the month with the least sunshine?

December has the least sunshine of the year, with an average of 5.7h of sunshine.

How many hours of sunshine does Ellwood have in December?

In Ellwood, the average sunshine duration in December is 5.7h.

What is the month with the lowest UV index?

January and December, with an average maximum UV index of 3, are months with the lowest UV index in Ellwood.

How high is the UV index in December?

The average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from 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
Ellwood, SC

Average temperature in December - Ellwood, SC
  • Average high temperature in December: 59.4°F

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (55.8°F).

  • Average low temperature in December: 45.5°F

The month with the highest average low temperature is July (74.8°F).
The coldest month (with the lowest average low temperature) is January (40.8°F).

Average pressure in December
Ellwood, SC

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

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

Average wind speed in December
Ellwood, SC

Average wind speed in December - Ellwood, SC
  • Average wind speed in December: 6.5mph

The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

Average humidity in December
Ellwood, SC

Average humidity in December - Ellwood, SC
  • Average humidity in December: 78%

The months with the highest relative humidity are August and December (78%).
The months with the lowest relative humidity are January and March (74%).

Average rainfall in December
Ellwood, SC

Average rainfall in December - Ellwood, SC
  • Average rainfall in December: 4.69"

The wettest month (with the highest rainfall) is August (6.46").
The driest month (with the least rainfall) is January (1.46").

Average rainfall days in December
Ellwood, SC

Average rainfall days in December - Ellwood, SC
  • Average rainfall days in December: 10.6 days

The months with the highest number of rainy days are July and August (23.2 days).
The month with the least rainy days is November (8.9 days).

Average snowfall in December
Ellwood, SC

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

The month with the highest snowfall is February (0.24").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").

Average snowfall days in December
Ellwood, SC

Average snowfall days in December - Ellwood, SC
  • Average snowfall days in December: 0.1 days

The month with the highest number of snowfall days is January (0.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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

Average daylight in December / Average sunshine in December - Ellwood, 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: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

Average sunshine days in December
Ellwood, SC

Average sunshine days in December - Ellwood, SC
  • Average sunshine days in December: 18.4 days

The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is July (5.5 days).

Average UV index in December
Ellwood, SC

Average UV index in December - Ellwood, SC
  • Average UV index in December: 3

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).

Average cloud cover in December
Ellwood, SC

Average cloud cover in December - Ellwood, SC
  • Average cloud cover in December: 40

The months with the most cloud cover are February and December (Cloud cover 40).
The month with the least cloud cover is July (Cloud cover 26).

Average visibility in December
Ellwood, SC

Average visibility in December - Ellwood, 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).

Ellwood, South Carolina, USA

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