December weather forecast
Darlington, SC

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Weather in December

December, the first month of the winter in Darlington, is still a refreshing month, with an average temperature varying between 55.8°F (13.2°C) and 40.8°F (4.9°C).

Temperature

December is characterized by a mild reduction in the average high-temperature, from a comfortable 62.1°F (16.7°C) in November to a mild 55.8°F (13.2°C). An average low-temperature of 40.8°F (4.9°C) is common in Darlington during the nights of December.

Humidity

In December, the average relative humidity in Darlington is 75%.

Rainfall

In December, in Darlington, the rain falls for 10.8 days. Throughout December, 3.35" (85mm) of precipitation is accumulated. In Darlington, during the entire year, the rain falls for 165.4 days and collects up to 34.02" (864mm) of precipitation.

Snowfall

Months with snowfall are January through March, November and December. In Darlington, South Carolina, in December, snow falls for 0.1 days, with typically accumulated 0.2" (5mm) of snow. In Darlington, during the entire year, snow falls for 1.7 days and aggregates up to 1.34" (34mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 54min of daylight.
On the first day of December in Darlington, sunrise is at 7:07 am and sunset at 5:09 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 5:20 pm EST.

Sunshine

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

UV index

In December, the average daily maximum UV index in Darlington is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.
Note: In December, the maximum UV index of 3 suggests these recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are December temperatures in Darlington?

The high-temperature during December is 55.8°F (13.2°C) and the low-temperature is 40.8°F (4.9°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in September is calculated to be 91.4°F (33°C).

What is the average humidity in December in Darlington?

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

How many days does it rain in December in Darlington?

In Darlington, during December, the rain falls for 10.8 days and regularly aggregates up to 3.35" (85mm) of precipitation.

How much does it snow in Darlington in December?

In Darlington, in December, during 0.1 snowfall days, 0.2" (5mm) of snow is typically accumulated.

What is the month with the shortest days in Darlington?

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

How many hours of daylight does Darlington have in December?

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

When are sunrise and sunset in December in Darlington?

In December, on the first day of the month, sunrise is at 7:07 am and sunset at 5:09 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 5:20 pm EST.

What is the month with the least sunshine in Darlington?

December has the least sunshine of the year, with an average of 5.5h of sunshine.

How long on average sun shines in December in Darlington?

The average sunshine duration in December in Darlington, South Carolina, is 5.5h.

How high is the UV index in December in Darlington?

In December, the average daily maximum UV index in Darlington is 3. A UV Index of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.
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
Darlington, SC

Average temperature in December - Darlington, SC
  • Average high temperature in December: 55.8°F

The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (52.2°F).

  • Average low temperature in December: 40.8°F

The month with the highest average low temperature is July (72.5°F).
The coldest month (with the lowest average low temperature) is January (36.7°F).

Average pressure in December
Darlington, SC

Average pressure in December - Darlington, 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).

Average wind speed in December
Darlington, SC

Average wind speed in December - Darlington, SC
  • Average wind speed in December: 7mph

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

Average humidity in December
Darlington, SC

Average humidity in December - Darlington, SC
  • Average humidity in December: 75%

The months with the highest relative humidity are May and September (77%).
The months with the lowest relative humidity are January and November (72%).

Average rainfall in December
Darlington, SC

Average rainfall in December - Darlington, SC
  • Average rainfall in December: 3.35"

The wettest month (with the highest rainfall) is August (4.02").
The driest month (with the least rainfall) is January (1.69").

Average rainfall days in December
Darlington, SC

Average rainfall days in December - Darlington, SC
  • Average rainfall days in December: 10.8 days

The month with the highest number of rainy days is July (20.7 days).
The month with the least rainy days is October (8.7 days).

Average snowfall in December
Darlington, SC

Average snowfall in December - Darlington, SC
  • Average snowfall in December: 0.2"

The month with the highest snowfall is February (0.83").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Darlington, SC

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

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

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

Average daylight in December / Average sunshine in December - Darlington, 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).

Average sunshine days in December
Darlington, SC

Average sunshine days in December - Darlington, SC
  • Average sunshine days in December: 19.1 days

The month with the most sunshine days is October (20.9 days).
The month with the least sunshine days is July (7.1 days).

Average UV index in December
Darlington, SC

Average UV index in December - Darlington, 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).

Average cloud cover in December
Darlington, SC

Average cloud cover in December - Darlington, 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).

Average visibility in December
Darlington, SC

Average visibility in December - Darlington, 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).

Darlington, South Carolina, USA

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