December weather forecast
Mauldin, SC

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Weather in December

December concludes the year in Mauldin, South Carolina, with the chill of winter in full swing. The drop in temperature becomes prominent, with a high of 52.9°F (11.6°C) and a low of 38.5°F (3.6°C). This is the month that sees the highest rainfall, with an average of 4.09" (104mm), possibily creating a damp and chilly environment. The wind speed slightly further increases, intensifying the coldness. Despite the lower daylight hours, the visibility remains good, ensuring the routine life is unhampered.

Temperature

The onset of December results in a small decrease in the average high-temperature, moderately receding from a moderate 60.1°F (15.6°C) in November to a cool 52.9°F (11.6°C). Mauldin, during December, witnesses an average low-temperature of 38.5°F (3.6°C).

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 11.7 days and accumulates 4.09" (104mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall in Mauldin. The month with the most snowfall is December, when snow falls for 0.5 days and typically aggregates up to 1.69" (43mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 54min of daylight.
On the first day of the month, sunrise is at 7:18 am and sunset at 5:18 pm. On the last day of December, sunrise is at 7:36 am and sunset at 5:28 pm EST.

Sunshine

The month with the least sunshine is December, with an average of 5.4h of sunshine.

UV index

The average daily maximum UV index in December is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In December, the maximum UV index of 3 transforms into these recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Updated: Aug 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Mauldin in December?

In Mauldin, 52.9°F (11.6°C) is the average high-temperature and 38.5°F (3.6°C) is the average low-temperature during December. In September, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is appraised at 89.6°F (32°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 Mauldin, the average relative humidity in December is 77%.

What is the wettest month?

December is the month with the most rainfall. Rain falls for 11.7 days and accumulates 4.09" (104mm) of precipitation.

How many days does it rain in December?

In Mauldin, in December, it is raining for 11.7 days, with typically 4.09" (104mm) of accumulated precipitation.

When does it snow the most?

The month with the most snowfall is December, when snow falls for 0.5 days and typically aggregates up to 1.69" (43mm) of snow.

How much does it snow in December?

In Mauldin, during December, snow falls for 0.5 days and regularly aggregates up to 1.69" (43mm) of snow.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 54min of daylight.

How many hours of daylight does Mauldin have in December?

In December, the average day length is 9h and 52min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:18 am and sunset at 5:18 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 5:28 pm EST.

What is the month with the least sunshine?

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

How long on average sun shines in December?

In Mauldin, the average sunshine duration in December is 5.4h.

How high is the UV index in December?

The average daily maximum UV index in December is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to 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
Mauldin, SC

Average temperature in December - Mauldin, SC
  • Average high temperature in December: 52.9°F

The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (49.6°F).

  • Average low temperature in December: 38.5°F

The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (33.6°F).

Average pressure in December
Mauldin, SC

Average pressure in December - Mauldin, 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
Mauldin, SC

Average wind speed in December - Mauldin, SC
  • Average wind speed in December: 6.2mph

The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

Average humidity in December
Mauldin, SC

Average humidity in December - Mauldin, 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 (69%).

Average rainfall in December
Mauldin, SC

Average rainfall in December - Mauldin, SC
  • Average rainfall in December: 4.09"

The wettest month (with the highest rainfall) is December (4.09").
The driest month (with the least rainfall) is September (1.65").

Average rainfall days in December
Mauldin, SC

Average rainfall days in December - Mauldin, SC
  • Average rainfall days in December: 11.7 days

The month with the highest number of rainy days is August (17.9 days).
The month with the least rainy days is October (9.6 days).

Average snowfall in December
Mauldin, SC

Average snowfall in December - Mauldin, SC
  • Average snowfall in December: 1.69"

The month with the highest snowfall is December (1.69").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Mauldin, SC

Average snowfall days in December - Mauldin, SC
  • Average snowfall days in December: 0.5 days

The months with the highest number of snowfall days are January and February (1.4 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
Mauldin, SC

Average daylight in December / Average sunshine in December - Mauldin, SC
  • Average daylight in December: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 30min).
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: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

Average sunshine days in December
Mauldin, SC

Average sunshine days in December - Mauldin, SC
  • Average sunshine days in December: 17.6 days

The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (10.7 days).

Average UV index in December
Mauldin, SC

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

The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 2).

Average cloud cover in December
Mauldin, SC

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

The months with the most cloud cover are February, March and December (Cloud cover 41).
The month with the least cloud cover is June (Cloud cover 27).

Average visibility in December
Mauldin, SC

Average visibility in December - Mauldin, 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).

Mauldin, South Carolina, USA

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