December weather forecast
Regency Park, SC

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Weather in December

December, the first month of the winter in Regency Park, is still a cool month, with an average temperature ranging between min 38.5°F (3.6°C) and max 53.8°F (12.1°C).

Temperature

The arrival of December suggests a slight decrease in the average high-temperature, moving from a mild 60.6°F (15.9°C) in November to a cool 53.8°F (12.1°C). Regency Park sees an average low-temperature of 38.5°F (3.6°C) during December.

Humidity

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

Rainfall

In Regency Park, in December, it is raining for 10.5 days, with typically 1.69" (43mm) of accumulated precipitation. In Regency Park, during the entire year, the rain falls for 136.3 days and collects up to 19.02" (483mm) of precipitation.

Snowfall

January through March and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.4 snowfall days, it receives 0.2" (5mm) of snow. Throughout the year, there are 2.3 snowfall days, and 0.79" (20mm) of snow is accumulated.

Daylight

With an average of 9h and 54min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:19 am and sunset at 5:20 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 5:30 pm EST.

Sunshine

The month with the least sunshine is December, with an average of 5.1h of sunshine.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.
Note: A daily high UV index of 2 in December leads to these guidelines:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Updated: Aug 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Regency Park in December?

In December, the average high-temperature and low-temperature in Regency Park, South Carolina, are 53.8°F (12.1°C) and 38.5°F (3.6°C) respectively. In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is computed to be 89.6°F (32°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?

In Regency Park, the average relative humidity in December is 77%.

How much does it rain in December?

In December, the rain falls for 10.5 days. Throughout December, 1.69" (43mm) of precipitation is accumulated.

When does it start to snow in Regency Park?

December is the first month it typically snows in Regency Park. Throughout December, in the average 0.4 snowfall days, it receives 0.2" (5mm) of snow.

What is the month with the shortest days?

With an average of 9h and 54min of daylight, December has the shortest days of the year.

How many hours of daylight does Regency Park have in December?

In Regency Park, the average day length in December is 9h and 53min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 7:19 am and sunset at 5:20 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 5:30 pm EST.

What is the month with the least sunshine?

December has the least sunshine of the year, with an average of 5.1h of sunshine.

How long on average sun shines in December?

In December, the average sunshine duration is 5.1h.

What is the month with the lowest UV index?

The months with the lowest UV index are January and December, with an average maximum UV index of 2.

How high is the UV index in December?

In Regency Park, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low 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
Regency Park, SC

Average temperature in December - Regency Park, SC
  • Average high temperature in December: 53.8°F

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (50.2°F).

  • Average low temperature in December: 38.5°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 (34.5°F).

Average pressure in December
Regency Park, SC

Average pressure in December - Regency Park, SC
  • Average pressure in December: 30.14"Hg

The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).

Average wind speed in December
Regency Park, SC

Average wind speed in December - Regency Park, SC
  • Average wind speed in December: 6.4mph

The windiest month (with the highest average wind speed) is February (7mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

Average humidity in December
Regency Park, SC

Average humidity in December - Regency Park, SC
  • Average humidity in December: 77%

The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (69%).

Average rainfall in December
Regency Park, SC

Average rainfall in December - Regency Park, SC
  • Average rainfall in December: 1.69"

The wettest month (with the highest rainfall) is August (2.28").
The driest month (with the least rainfall) is September (0.79").

Average rainfall days in December
Regency Park, SC

Average rainfall days in December - Regency Park, SC
  • Average rainfall days in December: 10.5 days

The month with the highest number of rainy days is July (15.4 days).
The month with the least rainy days is October (7.2 days).

Average snowfall in December
Regency Park, SC

Average snowfall in December - Regency Park, SC
  • Average snowfall in December: 0.2"

The month with the highest snowfall is February (0.31").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in December
Regency Park, SC

Average snowfall days in December - Regency Park, SC
  • Average snowfall days in December: 0.4 days

The month with the highest number of snowfall days is January (0.9 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
Regency Park, SC

Average daylight in December / Average sunshine in December - Regency Park, SC
  • Average daylight in December: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in December: 5h and 1min

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 6min).

Average sunshine days in December
Regency Park, SC

Average sunshine days in December - Regency Park, SC
  • Average sunshine days in December: 18.4 days

The month with the most sunshine days is October (22.6 days).
The month with the least sunshine days is July (14.3 days).

Average UV index in December
Regency Park, SC

Average UV index in December - Regency Park, SC
  • Average UV index in December: 2

The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 2).

Average cloud cover in December
Regency Park, SC

Average cloud cover in December - Regency Park, SC
  • Average cloud cover in December: 44

The month with the most cloud cover is February (Cloud cover 45).
The months with the least cloud cover are June and July (Cloud cover 29).

Average visibility in December
Regency Park, SC

Average visibility in December - Regency Park, SC
  • Average visibility in December: 6mi

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

Regency Park, South Carolina, USA

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