December weather forecast
Sunnyside Acres, SC

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Weather in December

December, the first month of the winter in Sunnyside Acres, is still a cool month, with an average temperature ranging between min 38.5°F (3.6°C) and max 52.9°F (11.6°C).

Temperature

The transition into December involves a small decrease in the average high-temperature, dipping slightly from a moderate 60.1°F (15.6°C) in November to a cool 52.9°F (11.6°C). Sunnyside Acres records an average low of 38.5°F (3.6°C) throughout the nights in December.

Humidity

December is the most humid month in Sunnyside Acres, South Carolina, with an average relative humidity of 77%.

Rainfall

In Sunnyside Acres, during December, the rain falls for 10.3 days and regularly aggregates up to 1.46" (37mm) of precipitation. In Sunnyside Acres, South Carolina, during the entire year, the rain falls for 140.2 days and collects up to 16.61" (422mm) of precipitation.

Snowfall

January through March and December are months with snowfall. The month with the most snowfall in Sunnyside Acres is December, when snow falls for 0.6 days and typically aggregates up to 0.31" (8mm) 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 December in Sunnyside Acres, sunrise is at 7:19 am and sunset at 5:20 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 5:30 pm EST.

Sunshine

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

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index in Sunnyside Acres, South Carolina. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In December, the maximum UV index of 2 suggests this advice:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. 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 the temperatures in Sunnyside Acres in December?

The high-temperature, in December, in Sunnyside Acres, is 52.9°F (11.6°C), while the low-temperature averages to 38.5°F (3.6°C). In September, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, is evaluated at 87.8°F (31°C).

What is the most humid month in Sunnyside Acres?

The most humid month in Sunnyside Acres is December, with an average relative humidity of 77%.

What is the average humidity in December in Sunnyside Acres?

The average relative humidity in December in Sunnyside Acres is 77%.

How many days does it rain in December in Sunnyside Acres?

In Sunnyside Acres, during December, the rain falls for 10.3 days and regularly aggregates up to 1.46" (37mm) of precipitation.

When does it snow the most in Sunnyside Acres?

December is the month with the most snowfall in Sunnyside Acres. Snow falls for 0.6 days and accumulates 0.31" (8mm) of snow.

When does it start snowing in Sunnyside Acres?

December is the first month it typically snows in Sunnyside Acres. Throughout December, in the average 0.6 snowfall days, it receives 0.31" (8mm) of snow.

What is the month with the shortest days in Sunnyside Acres?

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

What is the average length of the day in December in Sunnyside Acres?

In December, the average day length is 9h and 53min.

What time are sunrise and sunset in December in Sunnyside Acres?

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

What is the month with the least sunshine in Sunnyside Acres?

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

How long on average sun shines in December in Sunnyside Acres?

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

When is the lowest UV index in Sunnyside Acres?

January and December, with an average maximum UV index of 2, are months with the lowest UV index in Sunnyside Acres, South Carolina.

What is the UV index reading in December in Sunnyside Acres?

The average daily maximum UV index in December in Sunnyside Acres, South Carolina, is 2. A UV Index value of 2, and less, symbolizes a low health threat from unprotected exposure to 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
Sunnyside Acres, SC

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

The warmest month (with the highest average high temperature) is July (90.3°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 (68.9°F).
The coldest month (with the lowest average low temperature) is January (33.8°F).

Average pressure in December
Sunnyside Acres, SC

Average pressure in December - Sunnyside Acres, 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
Sunnyside Acres, SC

Average wind speed in December - Sunnyside Acres, SC
  • Average wind speed in December: 5.8mph

The windiest months (with the highest average wind speed) are February and April (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

Average humidity in December
Sunnyside Acres, SC

Average humidity in December - Sunnyside Acres, 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 (70%).

Average rainfall in December
Sunnyside Acres, SC

Average rainfall in December - Sunnyside Acres, SC
  • Average rainfall in December: 1.46"

The wettest month (with the highest rainfall) is August (2.01").
The driest month (with the least rainfall) is September (0.71").

Average rainfall days in December
Sunnyside Acres, SC

Average rainfall days in December - Sunnyside Acres, SC
  • Average rainfall days in December: 10.3 days

The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is October (6.5 days).

Average snowfall in December
Sunnyside Acres, SC

Average snowfall in December - Sunnyside Acres, SC
  • Average snowfall in December: 0.31"

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

Average snowfall days in December
Sunnyside Acres, SC

Average snowfall days in December - Sunnyside Acres, SC
  • Average snowfall days in December: 0.6 days

The months with the highest number of snowfall days are January and February (0.8 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
Sunnyside Acres, SC

Average daylight in December / Average sunshine in December - Sunnyside Acres, 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 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
Sunnyside Acres, SC

Average sunshine days in December - Sunnyside Acres, SC
  • Average sunshine days in December: 18.2 days

The month with the most sunshine days is October (22.3 days).
The month with the least sunshine days is July (11.5 days).

Average UV index in December
Sunnyside Acres, SC

Average UV index in December - Sunnyside Acres, SC
  • Average UV index in December: 2

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

Average cloud cover in December
Sunnyside Acres, SC

Average cloud cover in December - Sunnyside Acres, SC
  • Average cloud cover in December: 41

The month with the most cloud cover is February (Cloud cover 42).
The months with the least cloud cover are June and July (Cloud cover 27).

Average visibility in December
Sunnyside Acres, SC

Average visibility in December - Sunnyside Acres, 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).

Sunnyside Acres, South Carolina, USA

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