December weather forecast
Santee, SC

Share

Weather in December

The first month of the winter, December, is still a refreshing month in Santee, South Carolina, with an average temperature fluctuating between 58.1°F (14.5°C) and 42.8°F (6°C).

Temperature

With the beginning of December, the average high-temperature shows a small decrease, transitioning from a comfortable 63.9°F (17.7°C) in November to a mild 58.1°F (14.5°C). An average temperature of 42.8°F (6°C) marks the nights in Santee in December.

Humidity

May, August, September and December, with an average relative humidity of 77%, are the most humid months.

Rainfall

In Santee, in December, it is raining for 10.7 days, with typically 3.46" (88mm) of accumulated precipitation. Throughout the year, in Santee, there are 165.1 rainfall days, and 33.46" (850mm) of precipitation is accumulated.

Snowfall

March through December are months without snowfall.

Daylight

The month with the shortest days in Santee is December, with an average of 10h and 0min of daylight.
On the first day of the month, sunrise is at 7:08 am and sunset at 5:13 pm. On the last day of December, in Santee, sunrise is at 7:25 am and sunset at 5:24 pm EST.

Sunshine

The month with the least sunshine is December, with an average of 5.5h of sunshine.

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.
Note: An average maximum UV index of 3 in December leads to these recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
[Resources]

Frequently asked questions

What are the temperatures in Santee in December?

The average high-temperature, in December, in Santee, is 58.1°F (14.5°C), while the average low-temperature is 42.8°F (6°C). In September, the average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, is calculated to be 95°F (35°C).

What are the most humid months in Santee?

May, August, September and December, with an average relative humidity of 77%, are most humid months.

What is the average humidity in December in Santee?

In December, the average relative humidity in Santee, South Carolina, is 77%.

How much does it rain in Santee in December?

In Santee, during December, the rain falls for 10.7 days and regularly aggregates up to 3.46" (88mm) of precipitation.

When it does not snow in Santee?

March through December are months without snowfall in Santee, South Carolina.

Does it snow in Santee in December?

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

What is the month with the shortest days in Santee?

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

What is the average length of the day in December in Santee?

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

What time are sunrise and sunset in December in Santee?

On the first day of December in Santee, sunrise is at 7:08 am and sunset at 5:13 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 5:24 pm EST.

What is the month with the least sunshine in Santee?

The month with the least sunshine in Santee, South Carolina, is December, with an average of 5.5h of sunshine.

How many hours of sunshine does Santee have in December?

In Santee, South Carolina, the average sunshine duration in December is 5.5h.

When is the lowest UV index in Santee?

The months with the lowest UV index are January, February and December, with an average maximum UV index of 3.

How high is the UV index in December in Santee?

In Santee, the average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents 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
Santee, SC

Average temperature in December - Santee, SC
  • Average high temperature in December: 58.1°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 (54.9°F).

  • Average low temperature in December: 42.8°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 (38.5°F).

[Resources]

Average pressure in December
Santee, SC

Average pressure in December - Santee, SC
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

[Resources]

Average wind speed in December
Santee, SC

Average wind speed in December - Santee, SC
  • Average wind speed in December: 6.8mph

The windiest month (with the highest average wind speed) is April (7.8mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

[Resources]

Average humidity in December
Santee, SC

Average humidity in December - Santee, SC
  • Average humidity in December: 77%

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

[Resources]

Average rainfall in December
Santee, SC

Average rainfall in December - Santee, SC
  • Average rainfall in December: 3.46"

The wettest month (with the highest rainfall) is August (3.94").
The driest month (with the least rainfall) is November (1.69").

[Resources]

Average rainfall days in December
Santee, SC

Average rainfall days in December - Santee, SC
  • Average rainfall days in December: 10.7 days

The month with the highest number of rainy days is August (21 days).
The month with the least rainy days is November (7.3 days).

[Resources]

Average snowfall in December
Santee, SC

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

The month with the highest snowfall is February (0.24").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").

[Resources]

Average snowfall days in December
Santee, SC

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

The months with the highest number of snowfall days are January and February (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

[Resources]

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

Average daylight in December / Average sunshine in December - Santee, 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 3min

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 30min).

[Resources]

Average sunshine days in December
Santee, SC

Average sunshine days in December - Santee, SC
  • Average sunshine days in December: 19.4 days

The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is August (7.9 days).

[Resources]

Average UV index in December
Santee, SC

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

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

[Resources]

Average cloud cover in December
Santee, SC

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

The months with the most cloud cover are February and December (Cloud cover 41).
The month with the least cloud cover is October (Cloud cover 28).

[Resources]

Average visibility in December
Santee, SC

Average visibility in December - Santee, 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).

[Resources]

Santee, South Carolina, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location