December weather forecast
Rowesville, SC

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Weather in December

The first month of the winter, December, is still a refreshing month in Rowesville, South Carolina, with an average temperature varying between 43°F (6.1°C) and 57.4°F (14.1°C).

Temperature

Rowesville in December undergoes a slight reduction in the average high-temperature, shifting from November's 63.5°F (17.5°C) to a still refreshing 57.4°F (14.1°C). Rowesville experiences a mean low-temperature of 43°F (6.1°C) during December.

Humidity

The average relative humidity in December is 75%.

Rainfall

In Rowesville, in December, during 10.2 rainfall days, 3.58" (91mm) of precipitation is typically accumulated. Throughout the year, there are 159.3 rainfall days, and 32.01" (813mm) of precipitation is accumulated.

Snowfall

In Rowesville, snow does not fall in March through December.

Daylight

With an average of 10h and 0min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:09 am and sunset at 5:15 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:26 pm EST.

Sunshine

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

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.
Note: In December, a daily UV index of 3 turns into the following recommendations:
Take precautions - Protection against skin and eye damage is obliged. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Updated: Aug 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in December?

In Rowesville, 57.4°F (14.1°C) is the average high-temperature and 43°F (6.1°C) is the average low-temperature during December. In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, is estimated at 93.2°F (34°C).

What is the average humidity in December?

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

How much does it rain in December?

In Rowesville, South Carolina, in December, it is raining for 10.2 days, with typically 3.58" (91mm) of accumulated precipitation.

When it does not snow?

March through December are months without snowfall.

Does it snow in December?

In Rowesville, in December, it doesn't snow. In January, it regularly snows.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 10h and 0min of daylight.

What is the average length of the day in December?

In December, the average day length is 9h and 59min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:09 am and sunset at 5:15 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:26 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?

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

What are the months with the lowest UV index?

January and December, with an average maximum UV index of 3, are months with the lowest UV index in Rowesville, South Carolina.

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 moderate vulnerability from exposure to Sun's UV rays.
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
Rowesville, SC

Average temperature in December - Rowesville, SC
  • Average high temperature in December: 57.4°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 (54.1°F).

  • Average low temperature in December: 43°F

The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (38.8°F).

Average pressure in December
Rowesville, SC

Average pressure in December - Rowesville, 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 (29.97"Hg).

Average wind speed in December
Rowesville, SC

Average wind speed in December - Rowesville, SC
  • Average wind speed in December: 7.6mph

The windiest months (with the highest average wind speed) are February and April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).

Average humidity in December
Rowesville, SC

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

The months with the highest relative humidity are May, August and September (76%).
The months with the lowest relative humidity are January and November (71%).

Average rainfall in December
Rowesville, SC

Average rainfall in December - Rowesville, SC
  • Average rainfall in December: 3.58"

The wettest month (with the highest rainfall) is August (3.74").
The driest month (with the least rainfall) is November (1.65").

Average rainfall days in December
Rowesville, SC

Average rainfall days in December - Rowesville, SC
  • Average rainfall days in December: 10.2 days

The month with the highest number of rainy days is July (20.9 days).
The month with the least rainy days is November (7.5 days).

Average snowfall in December
Rowesville, SC

Average snowfall in December - Rowesville, SC
  • Average snowfall in December: 0"

The months with the highest snowfall are January and February (0.2").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in December
Rowesville, SC

Average snowfall days in December - Rowesville, 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).

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

Average daylight in December / Average sunshine in December - Rowesville, 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: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

Average sunshine days in December
Rowesville, SC

Average sunshine days in December - Rowesville, SC
  • Average sunshine days in December: 19.7 days

The months with the most sunshine days are October and November (21.1 days).
The months with the least sunshine days are July and August (7.3 days).

Average UV index in December
Rowesville, SC

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

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).

Average cloud cover in December
Rowesville, SC

Average cloud cover in December - Rowesville, SC
  • Average cloud cover in December: 42

The month with the most cloud cover is December (Cloud cover 42).
The month with the least cloud cover is October (Cloud cover 28).

Average visibility in December
Rowesville, SC

Average visibility in December - Rowesville, 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).

Rowesville, South Carolina, USA

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