December weather forecast
Deerwood Heights, SC

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Weather in December

The first month of the winter, December, is also a moderate month in Deerwood Heights, South Carolina, with an average temperature fluctuating between 60.6°F (15.9°C) and 45.9°F (7.7°C).

Temperature

The arrival of December corresponds with a minor reduction in the average high-temperature, down from November's refreshing 66.2°F (19°C) to a moderate 60.6°F (15.9°C). An average minimum temperature of 45.9°F (7.7°C) marks the month of December.

Humidity

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

Rainfall

In Deerwood Heights, in December, during 10.8 rainfall days, 4.17" (106mm) of precipitation is typically accumulated. Throughout the year, there are 172.6 rainfall days, and 39.13" (994mm) of precipitation is accumulated.

Snowfall

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

Daylight

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

Sunshine

The month with the least sunshine is December, with an average of 5.6h of sunshine.

UV index

In December, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: In December, a regular UV index of 4 translates into these guidelines:
Guard yourself - Avoiding sunburn is suggested. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. During bright days, sunglasses that offer UVA and UVB defense are recommended. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Updated: Jun 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are December temperatures in Deerwood Heights?

In December, the average high-temperature and low-temperature are 60.6°F (15.9°C) and 45.9°F (7.7°C) respectively. The average heat index (a.k.a. 'apparent temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in September is evaluated at 95°F (35°C).

What is the most humid month?

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

What is the average humidity in December?

The average relative humidity in December is 77%.

How many days does it rain in December?

In Deerwood Heights, in December, it is raining for 10.8 days, with typically 4.17" (106mm) of accumulated precipitation.

When does it start to snow?

December is the first month it typically snows. 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 Deerwood Heights?

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

How many hours of daylight does Deerwood Heights have in December?

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

When are sunrise and sunset in December?

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 Deerwood Heights, sunrise is at 7:22 am and sunset at 5:24 pm EST.

What is the month with the least sunshine?

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

How long on average sun shines in December?

The average sunshine duration in December in Deerwood Heights is 5.6h.

What is the UV index intensity in December?

In December, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health threat 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
Deerwood Heights, SC

Average temperature in December - Deerwood Heights, 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).

Average pressure in December
Deerwood Heights, SC

Average pressure in December - Deerwood Heights, 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).

Average wind speed in December
Deerwood Heights, SC

Average wind speed in December - Deerwood Heights, 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).

Average humidity in December
Deerwood Heights, SC

Average humidity in December - Deerwood Heights, 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%).

Average rainfall in December
Deerwood Heights, SC

Average rainfall in December - Deerwood Heights, 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").

Average rainfall days in December
Deerwood Heights, SC

Average rainfall days in December - Deerwood Heights, 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).

Average snowfall in December
Deerwood Heights, SC

Average snowfall in December - Deerwood Heights, 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").

Average snowfall days in December
Deerwood Heights, SC

Average snowfall days in December - Deerwood Heights, 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).

Average daylight in December /
Average sunshine in December
Deerwood Heights, SC

Average daylight in December / Average sunshine in December - Deerwood Heights, 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).

Average sunshine days in December
Deerwood Heights, SC

Average sunshine days in December - Deerwood Heights, 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).

Average UV index in December
Deerwood Heights, SC

Average UV index in December - Deerwood Heights, 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).

Average cloud cover in December
Deerwood Heights, SC

Average cloud cover in December - Deerwood Heights, 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).

Average visibility in December
Deerwood Heights, SC

Average visibility in December - Deerwood Heights, 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).

Deerwood Heights, South Carolina, USA

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