December weather forecast
Green Hill Plantation, SC

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Weather in December

The first month of the winter, December, is also a fresh month in Green Hill Plantation, South Carolina, with an average temperature fluctuating between 38.5°F (3.6°C) and 53.8°F (12.1°C).

Temperature

The advent of December brings a subtle shift in temperature, with the average high moving from a moderate 60.6°F (15.9°C) in November to a fresh 53.8°F (12.1°C). December witnesses an average nighttime temperature of 38.5°F (3.6°C).

Humidity

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

Rainfall

In Green Hill Plantation, during December, the rain falls for 10.5 days and regularly aggregates up to 1.69" (43mm) of precipitation. Throughout the year, there are 136.3 rainfall days, and 19.02" (483mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Green Hill Plantation are January through March and December. 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, in Green Hill Plantation, 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 in Green Hill Plantation, South Carolina, 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

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

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: In December, a daily UV index of 2 turns into the following recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
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Frequently asked questions

What is the usual temperature for Green Hill Plantation in December?

In December, the average high-temperature and low-temperature in Green Hill Plantation are 53.8°F (12.1°C) and 38.5°F (3.6°C) respectively. The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, in September is calculated to be 89.6°F (32°C).

What is the most humid month in Green Hill Plantation?

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

What is the average humidity in December in Green Hill Plantation?

In December, the average relative humidity in Green Hill Plantation is 77%.

How much does it rain in Green Hill Plantation in December?

In Green Hill Plantation, during December, the rain falls for 10.5 days and regularly aggregates up to 1.69" (43mm) of precipitation.

When does it start to snow in Green Hill Plantation?

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

What is the month with the shortest days in Green Hill Plantation?

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

How many hours of daylight does Green Hill Plantation have in December?

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

What time are sunrise and sunset in December in Green Hill Plantation?

In December, on the first day of the month, sunrise is at 7:19 am and sunset at 5:20 pm. On the last day of the month, in Green Hill Plantation, South Carolina, sunrise is at 7:37 am and sunset at 5:30 pm EST.

What is the month with the least sunshine in Green Hill Plantation?

With an average of 5.1h of sunshine, December has the least sunshine of the year in Green Hill Plantation.

How long on average sun shines in December in Green Hill Plantation?

The average sunshine duration in December is 5.1h.

What are the months with the lowest UV index in Green Hill Plantation?

The months with the lowest UV index in Green Hill Plantation, South Carolina, are January and December, with an average maximum UV index of 2.

What is the UV index reading in December in Green Hill Plantation?

In December, the average daily maximum UV index in Green Hill Plantation, South Carolina, is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to UV radiation.
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
Green Hill Plantation, SC

Average temperature in December - Green Hill Plantation, 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).

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Average pressure in December
Green Hill Plantation, SC

Average pressure in December - Green Hill Plantation, 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).

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Average wind speed in December
Green Hill Plantation, SC

Average wind speed in December - Green Hill Plantation, 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).

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Average humidity in December
Green Hill Plantation, SC

Average humidity in December - Green Hill Plantation, 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%).

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Average rainfall in December
Green Hill Plantation, SC

Average rainfall in December - Green Hill Plantation, 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").

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Average rainfall days in December
Green Hill Plantation, SC

Average rainfall days in December - Green Hill Plantation, 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).

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Average snowfall in December
Green Hill Plantation, SC

Average snowfall in December - Green Hill Plantation, 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").

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Average snowfall days in December
Green Hill Plantation, SC

Average snowfall days in December - Green Hill Plantation, 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).

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Average daylight in December /
Average sunshine in December
Green Hill Plantation, SC

Average daylight in December / Average sunshine in December - Green Hill Plantation, 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).

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Average sunshine days in December
Green Hill Plantation, SC

Average sunshine days in December - Green Hill Plantation, 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).

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Average UV index in December
Green Hill Plantation, SC

Average UV index in December - Green Hill Plantation, 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).

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Average cloud cover in December
Green Hill Plantation, SC

Average cloud cover in December - Green Hill Plantation, 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).

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Average visibility in December
Green Hill Plantation, SC

Average visibility in December - Green Hill Plantation, 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).

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Green Hill Plantation, South Carolina, USA

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