December weather forecast
Beech Island, SC

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Weather in December

December, the first month of the winter in Beech Island, is still a refreshing month, with an average temperature fluctuating between 57.4°F (14.1°C) and 42.8°F (6°C).

Temperature

December brings a slight decrease in temperature, down from an enjoyable 63.5°F (17.5°C) in November to a mild 57.4°F (14.1°C). In Beech Island, in December, the average low-temperature is a chilly 42.8°F (6°C).

Humidity

With an average relative humidity of 75%, December is the most humid month.

Rainfall

In December, in Beech Island, the rain falls for 10.4 days. Throughout December, 3.15" (80mm) of precipitation is accumulated. In Beech Island, South Carolina, during the entire year, the rain falls for 153.6 days and collects up to 29.33" (745mm) of precipitation.

Snowfall

Months with snowfall in Beech Island are January, February and December. December is the first month it typically snows in Beech Island. Throughout December, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, in Beech Island, there are 0.6 snowfall days, and 0.24" (6mm) of snow is accumulated.

Daylight

With an average of 10h and 0min of daylight, December has the shortest days of the year in Beech Island, South Carolina.
On the first day of December in Beech Island, sunrise is at 7:14 am and sunset at 5:19 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 5:30 pm EST.

Sunshine

December has the least sunshine of the year, with an average of 5.4h of sunshine.

UV index

January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily maximum UV index of 3 in December interprets into the following advice:
Exercise prevention - Warding off sunburn is urged. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
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Frequently asked questions

What are December temperatures in Beech Island?

In Beech Island, 57.4°F (14.1°C) is the average high-temperature and 42.8°F (6°C) is the average low-temperature during December. The average heat index (a.k.a. 'feels like', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in September is evaluated at 93.2°F (34°C).

What is the most humid month in Beech Island?

December is the most humid month, with an average relative humidity of 75%.

What is the average humidity in December in Beech Island?

In December, the average relative humidity in Beech Island, South Carolina, is 75%.

How many days does it rain in December in Beech Island?

In Beech Island, South Carolina, in December, it is raining for 10.4 days, with typically 3.15" (80mm) of accumulated precipitation.

When does it start to snow in Beech Island?

December is the first month it typically snows in Beech Island, 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 Beech Island?

With an average of 10h and 0min of daylight, December has the shortest days of the year in Beech Island, South Carolina.

How many hours of daylight does Beech Island have in December?

In December, the average day length in Beech Island, South Carolina, is 9h and 59min.

When is the sunrise / sunset in December in Beech Island?

In December, on the first day of the month, sunrise is at 7:14 am and sunset at 5:19 pm. On the last day of the month, in Beech Island, sunrise is at 7:31 am and sunset at 5:30 pm EST.

What is the month with the least sunshine in Beech Island?

December has the least sunshine of the year in Beech Island, South Carolina, with an average of 5.4h of sunshine.

How many hours of sunshine does Beech Island have in December?

In December, the average sunshine duration in Beech Island, South Carolina, is 5.4h.

What are the months with the lowest UV index in Beech Island?

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

What is the UV index intensity in December in Beech Island?

The average daily maximum UV index in December in Beech Island, South Carolina, is 3. A UV Index reading of 3 to 5 represents a moderate 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
Beech Island, SC

Average temperature in December - Beech Island, SC
  • Average high temperature in December: 57.4°F

The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is January (54.1°F).

  • Average low temperature in December: 42.8°F

The month with the highest average low temperature is July (73.8°F).
The coldest month (with the lowest average low temperature) is January (38.7°F).

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Average pressure in December
Beech Island, SC

Average pressure in December - Beech Island, SC
  • Average pressure in December: 30.14"Hg

The months with the highest atmospheric pressure are January, November and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

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Average wind speed in December
Beech Island, SC

Average wind speed in December - Beech Island, SC
  • Average wind speed in December: 7.5mph

The windiest months (with the highest average wind speed) are February and April (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

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Average humidity in December
Beech Island, SC

Average humidity in December - Beech Island, SC
  • Average humidity in December: 75%

The month with the highest relative humidity is December (75%).
The months with the lowest relative humidity are January, July and November (70%).

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Average rainfall in December
Beech Island, SC

Average rainfall in December - Beech Island, SC
  • Average rainfall in December: 3.15"

The wettest month (with the highest rainfall) is August (3.23").
The driest month (with the least rainfall) is September (1.69").

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Average rainfall days in December
Beech Island, SC

Average rainfall days in December - Beech Island, SC
  • Average rainfall days in December: 10.4 days

The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is November (7.6 days).

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Average snowfall in December
Beech Island, SC

Average snowfall in December - Beech Island, SC
  • Average snowfall in December: 0.04"

The month with the highest snowfall is January (0.12").
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
Beech Island, SC

Average snowfall days in December - Beech Island, SC
  • Average snowfall days in December: 0.1 days

The month with the highest number of snowfall days is January (0.4 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

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Average daylight in December /
Average sunshine in December
Beech Island, SC

Average daylight in December / Average sunshine in December - Beech Island, 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 2min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

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Average sunshine days in December
Beech Island, SC

Average sunshine days in December - Beech Island, SC
  • Average sunshine days in December: 19.2 days

The month with the most sunshine days is October (21.7 days).
The month with the least sunshine days is July (8.2 days).

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Average UV index in December
Beech Island, SC

Average UV index in December - Beech Island, SC
  • Average UV index in December: 3

The months with the highest UV index are June, July and August (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
Beech Island, SC

Average cloud cover in December - Beech Island, SC
  • Average cloud cover in December: 41

The month with the most cloud cover is December (Cloud cover 41).
The month with the least cloud cover is October (Cloud cover 27).

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Average visibility in December
Beech Island, SC

Average visibility in December - Beech Island, 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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Beech Island, South Carolina, USA

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