December weather forecast
Twin Lakes, SC

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Weather in December

December, the first month of the winter in Twin Lakes, is still a cool month, with an average temperature varying between 53.8°F (12.1°C) and 38.5°F (3.6°C).

Temperature

Twin Lakes in December undergoes a slight reduction in the average high-temperature, shifting from November's refreshing 60.6°F (15.9°C) to a fresh 53.8°F (12.1°C). Nighttime temperatures consistently average a cold 38.5°F (3.6°C) during December.

Humidity

With an average relative humidity of 77%, December is the most humid month in Twin Lakes, South Carolina.

Rainfall

In December, in Twin Lakes, the rain falls for 10.5 days. Throughout December, 1.69" (43mm) of precipitation is accumulated. In Twin Lakes, during the entire year, the rain falls for 136.3 days and collects up to 19.02" (483mm) 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 0.4 snowfall days, it receives 0.2" (5mm) of snow. Throughout the year, there are 2.3 snowfall days, and 0.79" (20mm) of snow is accumulated.

Daylight

December has the shortest days of the year in Twin Lakes, with an average of 9h and 54min of daylight.
On the first day of the month, sunrise is at 7:19 am and sunset at 5:20 pm. On the last day of December, sunrise is at 7:37 am and sunset at 5:30 pm EST.

Sunshine

The month with the least sunshine in Twin Lakes is December, with an average of 5.1h of sunshine.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index in Twin Lakes. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In December, the average maximum UV index of 2 translates into the following recommendations:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Minimize direct exposure to the Sun during midday when its radiation is at its peak. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Twin Lakes in December?

In December, in Twin Lakes, the average high-temperature is 53.8°F (12.1°C), and the average low-temperature is 38.5°F (3.6°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in September is appraised at 89.6°F (32°C).

What is the most humid month in Twin Lakes?

With an average relative humidity of 77%, December is the most humid month in Twin Lakes.

What is the average humidity in December in Twin Lakes?

The average relative humidity in December in Twin Lakes, South Carolina, is 77%.

How many days does it rain in December in Twin Lakes?

In December, in Twin Lakes, the rain falls for 10.5 days. Throughout December, 1.69" (43mm) of precipitation is accumulated.

When does it start to snow in Twin Lakes?

December is the first month it typically snows in Twin Lakes, South Carolina. Throughout December, in the average 0.4 snowfall days, it receives 0.2" (5mm) of snow.

What is the month with the shortest days in Twin Lakes?

With an average of 9h and 54min of daylight, December has the shortest days of the year in Twin Lakes, South Carolina.

What is the average length of the day in December in Twin Lakes?

The average day length in December in Twin Lakes is 9h and 53min.

What time are sunrise and sunset in December in Twin Lakes?

In December, on the first day of the month, sunrise is at 7:19 am and sunset at 5:20 pm. On the last day of the month, in Twin Lakes, sunrise is at 7:37 am and sunset at 5:30 pm EST.

What is the month with the least sunshine in Twin Lakes?

With an average of 5.1h of sunshine, December has the least sunshine of the year in Twin Lakes, South Carolina.

How many hours of sunshine does Twin Lakes have in December?

In Twin Lakes, the average sunshine duration in December is 5.1h.

What are the months with the lowest UV index in Twin Lakes?

The months with the lowest UV index in Twin Lakes are January and December, with an average maximum UV index of 2.

How high is the UV index in December in Twin Lakes?

In December, the average daily maximum UV index in Twin Lakes is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability 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
Twin Lakes, SC

Average temperature in December - Twin Lakes, SC
  • Average high temperature in December: 53.8°F

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (50.2°F).

  • Average low temperature in December: 38.5°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (34.5°F).

Average pressure in December
Twin Lakes, SC

Average pressure in December - Twin Lakes, SC
  • Average pressure in December: 30.14"Hg

The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).

Average wind speed in December
Twin Lakes, SC

Average wind speed in December - Twin Lakes, SC
  • Average wind speed in December: 6.4mph

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

Average humidity in December
Twin Lakes, SC

Average humidity in December - Twin Lakes, 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
Twin Lakes, SC

Average rainfall in December - Twin Lakes, SC
  • Average rainfall in December: 1.69"

The wettest month (with the highest rainfall) is August (2.28").
The driest month (with the least rainfall) is September (0.79").

Average rainfall days in December
Twin Lakes, SC

Average rainfall days in December - Twin Lakes, SC
  • Average rainfall days in December: 10.5 days

The month with the highest number of rainy days is July (15.4 days).
The month with the least rainy days is October (7.2 days).

Average snowfall in December
Twin Lakes, SC

Average snowfall in December - Twin Lakes, SC
  • Average snowfall in December: 0.2"

The month with the highest snowfall is February (0.31").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in December
Twin Lakes, SC

Average snowfall days in December - Twin Lakes, SC
  • Average snowfall days in December: 0.4 days

The month with the highest number of snowfall days is January (0.9 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
Twin Lakes, SC

Average daylight in December / Average sunshine in December - Twin Lakes, 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 1min

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 6min).

Average sunshine days in December
Twin Lakes, SC

Average sunshine days in December - Twin Lakes, SC
  • Average sunshine days in December: 18.4 days

The month with the most sunshine days is October (22.6 days).
The month with the least sunshine days is July (14.3 days).

Average UV index in December
Twin Lakes, SC

Average UV index in December - Twin Lakes, SC
  • Average UV index in December: 2

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

Average cloud cover in December
Twin Lakes, SC

Average cloud cover in December - Twin Lakes, SC
  • Average cloud cover in December: 44

The month with the most cloud cover is February (Cloud cover 45).
The months with the least cloud cover are June and July (Cloud cover 29).

Average visibility in December
Twin Lakes, SC

Average visibility in December - Twin Lakes, SC
  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).

Twin Lakes, South Carolina, USA

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