December weather forecast
Deadfall Crossroads, SC

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Weather in December

The first month of the winter, December, is also a fresh month in Deadfall Crossroads, South Carolina, with an average temperature varying between 54.9°F (12.7°C) and 39.7°F (4.3°C).

Temperature

The onset of December aligns with a soft reduction in the average high-temperature, gently falling from a comfortable 61.7°F (16.5°C) in November to a fresh 54.9°F (12.7°C). Deadfall Crossroads observes an average nighttime temperature of 39.7°F (4.3°C) during December.

Humidity

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

Rainfall

December is the month with the most rainfall. Rain falls for 11.3 days and accumulates 3.15" (80mm) of precipitation.

Snowfall

Months with snowfall are January through March and December. December is the first month it typically snows. Throughout December, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 1.5 snowfall days, and 1.18" (30mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 54min of daylight.
On the first day of December, sunrise is at 7:15 am and sunset at 5:17 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 5:27 pm EST.

Sunshine

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

UV index

In December, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: An average maximum UV index of 3 in December leads to these recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Updated: Jul 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in December?

The average high-temperature and low-temperature during December are 54.9°F (12.7°C) and 39.7°F (4.3°C) respectively. In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is computed to be 93.2°F (34°C).

What is the most humid month?

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

What is the average humidity in December?

In December, the average relative humidity is 77%.

What is the rainiest month?

December is the month with the most rainfall. Rain falls for 11.3 days and accumulates 3.15" (80mm) of precipitation.

How many days does it rain in December?

In Deadfall Crossroads, South Carolina, during December, the rain falls for 11.3 days and regularly aggregates up to 3.15" (80mm) of precipitation.

When does it start to snow?

December is the first month it typically snows. Throughout December, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow.

What is the month with the shortest days?

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 December, the average day length is 9h and 55min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 7:15 am and sunset at 5:17 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 5:27 pm EST.

What is the month with the least sunshine?

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

How long on average sun shines in December?

The average sunshine duration in December is 5.4h.

What is the UV index intensity in December?

The average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's 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
Deadfall Crossroads, SC

Average temperature in December - Deadfall Crossroads, SC
  • Average high temperature in December: 54.9°F

The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (51.4°F).

  • Average low temperature in December: 39.7°F

The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (35.4°F).

Average pressure in December
Deadfall Crossroads, SC

Average pressure in December - Deadfall Crossroads, SC
  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

Average wind speed in December
Deadfall Crossroads, SC

Average wind speed in December - Deadfall Crossroads, SC
  • Average wind speed in December: 6.9mph

The windiest months (with the highest average wind speed) are February and April (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

Average humidity in December
Deadfall Crossroads, SC

Average humidity in December - Deadfall Crossroads, 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 (70%).

Average rainfall in December
Deadfall Crossroads, SC

Average rainfall in December - Deadfall Crossroads, SC
  • Average rainfall in December: 3.15"

The wettest month (with the highest rainfall) is December (3.15").
The driest month (with the least rainfall) is September (1.42").

Average rainfall days in December
Deadfall Crossroads, SC

Average rainfall days in December - Deadfall Crossroads, SC
  • Average rainfall days in December: 11.3 days

The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is November (8.1 days).

Average snowfall in December
Deadfall Crossroads, SC

Average snowfall in December - Deadfall Crossroads, SC
  • Average snowfall in December: 0.04"

The month with the highest snowfall is February (0.75").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in December
Deadfall Crossroads, SC

Average snowfall days in December - Deadfall Crossroads, SC
  • Average snowfall days in December: 0.1 days

The month with the highest number of snowfall days is February (0.6 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
Deadfall Crossroads, SC

Average daylight in December / Average sunshine in December - Deadfall Crossroads, 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 2min

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 24min).

Average sunshine days in December
Deadfall Crossroads, SC

Average sunshine days in December - Deadfall Crossroads, SC
  • Average sunshine days in December: 18.6 days

The month with the most sunshine days is October (21.8 days).
The month with the least sunshine days is July (11.2 days).

Average UV index in December
Deadfall Crossroads, SC

Average UV index in December - Deadfall Crossroads, SC
  • Average UV index in December: 3

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

Average cloud cover in December
Deadfall Crossroads, SC

Average cloud cover in December - Deadfall Crossroads, SC
  • Average cloud cover in December: 42

The months with the most cloud cover are February and December (Cloud cover 42).
The month with the least cloud cover is June (Cloud cover 28).

Average visibility in December
Deadfall Crossroads, SC

Average visibility in December - Deadfall Crossroads, 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).

Deadfall Crossroads, South Carolina, USA

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