December weather forecastValencia Heights, SC

December

Weather in December

December, the first month of the winter in Valencia Heights, is still a refreshing month, with an average temperature varying between 56.5°F (13.6°C) and 42.1°F (5.6°C).

Temperature

Start of December brings a slight shift in the average high-temperature, dipping a bit from November's enjoyable 62.6°F (17°C) to a still refreshing 56.5°F (13.6°C). During December, Valencia Heights experiences a consistent low-temperature average of 42.1°F (5.6°C).

Humidity

December is the most humid month, with an average relative humidity of 74%.

Rainfall

The month with the most rainfall is December, when the rain falls for 10.8 days and typically aggregates up to 2.91" (74mm) of precipitation.

Snowfall

January, February and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, in Valencia Heights, South Carolina, there are 0.7 snowfall days, and 0.63" (16mm) of snow is accumulated.

Daylight

With an average of 9h and 54min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:11 am and sunset at 5:14 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 5:25 pm EST.

Sunshine

December has the least sunshine of the year, with an average of 5.3h 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 moderate health risk from exposure to the Sun's UV radiation for average individuals.
Note: The UV index of 3 in December translates into these instructions:
Guard yourself - An obligation to protect skin and eyes from harm exists. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.

Frequently asked questions

The high-temperature, in December, in Valencia Heights, is 56.5°F (13.6°C), while the low-temperature averages to 42.1°F (5.6°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in September is appraised at 93.2°F (34°C).

With an average relative humidity of 74%, December is the most humid month.

In December, the average relative humidity is 74%.

The month with the most rainfall is December, when the rain falls for 10.8 days and typically aggregates up to 2.91" (74mm) of precipitation.

In Valencia Heights, in December, during 10.8 rainfall days, 2.91" (74mm) of precipitation is typically accumulated.

December is the first month it typically snows in Valencia Heights. Throughout December, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow.

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

In December, the average day length is 9h and 56min.

In December, on the first day of the month, sunrise is at 7:11 am and sunset at 5:14 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 5:25 pm EST.

With an average of 5.3h of sunshine, December has the least sunshine of the year.

In Valencia Heights, the average sunshine duration in December is 5.3h.

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

In December, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Valencia Heights, SC

  • Average high temperature in December: 56.5°F

The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is January (52.9°F).

  • Average low temperature in December: 42.1°F

The month with the highest average low temperature is July (73.8°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).

Average pressure in December
Valencia Heights, SC

  • Average pressure in December: 30.14"Hg

The months with the highest atmospheric pressure are January, November and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

Average wind speed in December
Valencia Heights, SC

  • Average wind speed in December: 7.3mph

The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity in December
Valencia Heights, SC

  • Average humidity in December: 74%

The month with the highest relative humidity is December (74%).
The months with the lowest relative humidity are January, July and November (69%).

Average rainfall in December
Valencia Heights, SC

  • Average rainfall in December: 2.91"

The wettest month (with the highest rainfall) is December (2.91").
The driest month (with the least rainfall) is September (1.46").

Average rainfall days in December
Valencia Heights, SC

  • Average rainfall days in December: 10.8 days

The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is October (7.3 days).

Average snowfall in December
Valencia Heights, SC

  • Average snowfall in December: 0.04"

The month with the highest snowfall is February (0.47").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").

Average snowfall days in December
Valencia Heights, SC

  • Average snowfall days in December: 0.1 days

The month with the highest number of snowfall days is February (0.3 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
Valencia Heights, SC

  • Average daylight in December: 9h and 54min

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 18min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).

Average sunshine days in December
Valencia Heights, SC

  • Average sunshine days in December: 19.1 days

The month with the most sunshine days is October (22.7 days).
The month with the least sunshine days is July (11.7 days).

Average UV index in December
Valencia Heights, 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).

Average cloud cover in December
Valencia Heights, SC

  • Average cloud cover in December: 42

The months with the most cloud cover are February and December (Cloud cover 42).
The months with the least cloud cover are June and October (Cloud cover 29).

Average visibility in December
Valencia Heights, 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).