December weather forecast
Florence, SC

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The red bridge in the Snow Winter Forest area, in Florence, South Carolina
The red bridge in the Snow Winter Forest area, in Florence, South Carolina

Weather in December

Wading into December, Florence dives into the full intensity of winter after a comparatively mild November. Lower temperatures set the stage for the appearance of winter frost, signaling the bid farewell to the now distant autumn. An increase in average cloud coverage brings a mix of more overcast days, giving the city a wintery feel. Once again, snowfall gets recorded this month, accounting for 0.24" (6mm). Consistent with winter trends, days are shorter, daylight is precious, and the wind conditions persistently cool.

Temperature

December's arrival in Florence, South Carolina, aligns with a minor decrease in average high-temperatures, from November's refreshing 62.1°F (16.7°C) to a mild 56.1°F (13.4°C). December nights are marked by an average temperature drop to an icy 41.2°F (5.1°C).

Humidity

In December, the average relative humidity in Florence is 76%.

Rainfall

In Florence, during December, the rain falls for 11.1 days and regularly aggregates up to 3.43" (87mm) of precipitation. Throughout the year, there are 168.6 rainfall days, and 33.82" (859mm) of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall. In Florence, during December, snow falls for 0.1 days and regularly aggregates up to 0.24" (6mm) of snow. In Florence, during the entire year, snow falls for 1.9 days and aggregates up to 1.81" (46mm) of snow.

Daylight

With an average of 9h and 54min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:07 am and sunset at 5:09 pm. On the last day of December, in Florence, sunrise is at 7:24 am and sunset at 5:19 pm EST.

Sunshine

The month with the least sunshine in Florence, South Carolina, is December, with an average of 5.5h of sunshine.

UV index

In December, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.
Note: A daily high UV index of 3 in December leads to these guidelines:
Heed the precautions - It is counselled to guard against solar damage. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
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Frequently asked questions

What is the usual temperature for Florence in December?

In December, the average high-temperature and low-temperature in Florence are 56.1°F (13.4°C) and 41.2°F (5.1°C) respectively. In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, is computed to be 91.4°F (33°C).

What is the average humidity in December in Florence?

In Florence, South Carolina, the average relative humidity in December is 76%.

How many days does it rain in December in Florence?

In December, the rain falls for 11.1 days. Throughout December, 3.43" (87mm) of precipitation is accumulated.

How much does it snow in Florence in December?

In Florence, during December, snow falls for 0.1 days and regularly aggregates up to 0.24" (6mm) of snow.

What is the month with the shortest days in Florence?

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

What is the average length of the day in December in Florence?

The average day length in December in Florence, South Carolina, is 9h and 55min.

When is the sunrise / sunset in December in Florence?

On the first day of December, sunrise is at 7:07 am and sunset at 5:09 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:19 pm EST.

What is the month with the least sunshine in Florence?

With an average of 5.5h of sunshine, December has the least sunshine of the year in Florence, South Carolina.

How many hours of sunshine does Florence have in December?

In December, the average sunshine duration in Florence, South Carolina, is 5.5h.

What is the UV index reading in December in Florence?

The average daily maximum UV index in December in Florence, South Carolina, is 3. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Florence, SC

Average temperature in December - Florence, SC
  • Average high temperature in December: 56.1°F

The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (52.3°F).

  • Average low temperature in December: 41.2°F

The month with the highest average low temperature is July (72.3°F).
The coldest month (with the lowest average low temperature) is January (37°F).

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Average pressure in December
Florence, SC

Average pressure in December - Florence, SC
  • Average pressure in December: 30.13"Hg

The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

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Average wind speed in December
Florence, SC

Average wind speed in December - Florence, SC
  • Average wind speed in December: 6.8mph

The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

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Average humidity in December
Florence, SC

Average humidity in December - Florence, SC
  • Average humidity in December: 76%

The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January and November (72%).

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Average rainfall in December
Florence, SC

Average rainfall in December - Florence, SC
  • Average rainfall in December: 3.43"

The wettest month (with the highest rainfall) is August (3.82").
The driest month (with the least rainfall) is January (1.65").

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Average rainfall days in December
Florence, SC

Average rainfall days in December - Florence, SC
  • Average rainfall days in December: 11.1 days

The month with the highest number of rainy days is July (20.5 days).
The month with the least rainy days is November (8.6 days).

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Average snowfall in December
Florence, SC

Average snowfall in December - Florence, SC
  • Average snowfall in December: 0.24"

The month with the highest snowfall is February (1.06").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in December
Florence, SC

Average snowfall days in December - Florence, SC
  • Average snowfall days in December: 0.1 days

The months with the highest number of snowfall days are January and February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Florence, SC

Average daylight in December / Average sunshine in December - Florence, 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 3min

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 30min).

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Average sunshine days in December
Florence, SC

Average sunshine days in December - Florence, SC
  • Average sunshine days in December: 18.5 days

The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (8.1 days).

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Average UV index in December
Florence, SC

Average UV index in December - Florence, SC
  • Average UV index in December: 3

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

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Average cloud cover in December
Florence, SC

Average cloud cover in December - Florence, SC
  • Average cloud cover in December: 41

The months with the most cloud cover are February and December (Cloud cover 41).
The months with the least cloud cover are June and October (Cloud cover 29).

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Average visibility in December
Florence, SC

Average visibility in December - Florence, 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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Florence, South Carolina, USA

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