December weather forecast
Moncks Corner, SC

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Weather in December

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

Temperature

December signifies a minor drop in average high-temperature, transitioning from a refreshing 65.3°F (18.5°C) in November to a mild 59.4°F (15.2°C). Nighttime temperatures in Moncks Corner consistently average a frosty 45.5°F (7.5°C) during December.

Humidity

August and December, with an average relative humidity of 78%, are the most humid months in Moncks Corner.

Rainfall

In December, the rain falls for 10.6 days. Throughout December, 4.69" (119mm) of precipitation is accumulated. In Moncks Corner, South Carolina, during the entire year, the rain falls for 179.5 days and collects up to 40.79" (1036mm) of precipitation.

Snowfall

January, February and December are months with snowfall in Moncks Corner. December is the first month it typically snows in Moncks Corner. Throughout December, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, in Moncks Corner, there are 1 snowfall days, and 0.31" (8mm) of snow is accumulated.

Daylight

With an average of 10h and 0min of daylight, December has the shortest days of the year.
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 7:23 am and sunset at 5:23 pm EST.

Sunshine

The month with the least sunshine is December, with an average of 5.7h of sunshine.

UV index

January and December, with an average maximum UV index of 3, are months with the lowest UV index in Moncks Corner. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: A daily maximum UV index of 3 in December translates into the following instructions:
Exercise prevention - Precautions against solar damage are endorsed. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
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Frequently asked questions

What is the usual temperature for Moncks Corner in December?

December temperatures vary between a high-temperature of 59.4°F (15.2°C) and a low-temperature of 45.5°F (7.5°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, in September is appraised at 93.2°F (34°C).

What is the most humid month in Moncks Corner?

August and December, with an average relative humidity of 78%, are most humid months in Moncks Corner.

What is the average humidity in December in Moncks Corner?

The average relative humidity in December in Moncks Corner is 78%.

How much does it rain in Moncks Corner in December?

In Moncks Corner, in December, it is raining for 10.6 days, with typically 4.69" (119mm) of accumulated precipitation.

When does it start snowing in Moncks Corner?

December is the first month it typically snows in Moncks Corner, South Carolina. 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 Moncks Corner?

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

How many hours of daylight does Moncks Corner have in December?

In December, the average day length is 10h and 0min.

When is the sunrise / sunset in December in Moncks Corner?

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, sunrise is at 7:23 am and sunset at 5:23 pm EST.

What is the month with the least sunshine in Moncks Corner?

The month with the least sunshine in Moncks Corner, South Carolina, is December, with an average of 5.7h of sunshine.

How many hours of sunshine does Moncks Corner have in December?

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

What are the months with the lowest UV index in Moncks Corner?

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

How high is the UV index in December in Moncks Corner?

In December, the average daily maximum UV index in Moncks Corner, South Carolina, is 3. A UV Index of 3 to 5 symbolizes a medium health risk 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
Moncks Corner, SC

Average temperature in December - Moncks Corner, 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).

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Average pressure in December
Moncks Corner, SC

Average pressure in December - Moncks Corner, 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).

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Average wind speed in December
Moncks Corner, SC

Average wind speed in December - Moncks Corner, 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).

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Average humidity in December
Moncks Corner, SC

Average humidity in December - Moncks Corner, 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%).

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Average rainfall in December
Moncks Corner, SC

Average rainfall in December - Moncks Corner, 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").

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Average rainfall days in December
Moncks Corner, SC

Average rainfall days in December - Moncks Corner, 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).

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Average snowfall in December
Moncks Corner, SC

Average snowfall in December - Moncks Corner, 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").

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Average snowfall days in December
Moncks Corner, SC

Average snowfall days in December - Moncks Corner, 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).

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Average daylight in December /
Average sunshine in December
Moncks Corner, SC

Average daylight in December / Average sunshine in December - Moncks Corner, 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).

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Average sunshine days in December
Moncks Corner, SC

Average sunshine days in December - Moncks Corner, 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).

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Average UV index in December
Moncks Corner, SC

Average UV index in December - Moncks Corner, 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).

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Average cloud cover in December
Moncks Corner, SC

Average cloud cover in December - Moncks Corner, 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).

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Average visibility in December
Moncks Corner, SC

Average visibility in December - Moncks Corner, 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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Moncks Corner, South Carolina, USA

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