December weather forecastValley View, SC

December

Weather in December

December, the first month of the winter in Valley View, is also a fresh month, with temperature in the range of an average low of 38.3°F (3.5°C) and an average high of 52.7°F (11.5°C).

Temperature

December reveals a small adjustment in temperature, transitioning from an average high of a mild 59.9°F (15.5°C) in November to a cool 52.7°F (11.5°C). An average low-temperature of 38.3°F (3.5°C) is common during the nights of December.

Humidity

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

Rainfall

The month with the most rainfall in Valley View is December, when the rain falls for 11.8 days and typically aggregates up to 4.21" (107mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall. The month with the most snowfall is December, when snow falls for 0.7 days and typically aggregates up to 2.05" (52mm) of snow.

Daylight

With an average of 9h and 54min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:20 am and sunset at 5:20 pm. On the last day of December, sunrise is at 7:38 am and sunset at 5:31 pm EST.

Sunshine

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

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.
Note: In December, the maximum UV index of 2 suggests these recommendations:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.

Frequently asked questions

An average high-temperature, in December, in Valley View, is 52.7°F (11.5°C) and the average low-temperature is 38.3°F (3.5°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in September is evaluated at 87.8°F (31°C).

December is the most humid month, with an average relative humidity of 77%.

The average relative humidity in December is 77%.

December is the month with the most rainfall. Rain falls for 11.8 days and accumulates 4.21" (107mm) of precipitation.

In Valley View, South Carolina, in December, it is raining for 11.8 days, with typically 4.21" (107mm) of accumulated precipitation.

December is the month with the most snowfall. Snow falls for 0.7 days and accumulates 2.05" (52mm) of snow.

In Valley View, during December, snow falls for 0.7 days and regularly aggregates up to 2.05" (52mm) of snow.

With an average of 9h and 54min of daylight, December has the shortest days of the year.

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

In December, on the first day of the month, sunrise is at 7:20 am and sunset at 5:20 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 5:31 pm EST.

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

In December, the average sunshine duration is 5.4h.

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

In December, the average daily maximum UV index in Valley View is 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to UV radiation.
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
Valley View, SC

  • Average high temperature in December: 52.7°F

The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (49.6°F).

  • Average low temperature in December: 38.3°F

The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).

Average pressure in December
Valley View, 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
Valley View, SC

  • Average wind speed in December: 5.6mph

The windiest month (with the highest average wind speed) is February (6.3mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).

Average humidity in December
Valley View, 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
Valley View, SC

  • Average rainfall in December: 4.21"

The wettest month (with the highest rainfall) is December (4.21").
The driest month (with the least rainfall) is September (1.73").

Average rainfall days in December
Valley View, SC

  • Average rainfall days in December: 11.8 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is October (9.5 days).

Average snowfall in December
Valley View, SC

  • Average snowfall in December: 2.05"

The month with the highest snowfall is December (2.05").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Valley View, SC

  • Average snowfall days in December: 0.7 days

The month with the highest number of snowfall days is January (1.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Valley View, 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 24min

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
Valley View, SC

  • Average sunshine days in December: 17.5 days

The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (10.5 days).

Average UV index in December
Valley View, 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
Valley View, SC

  • Average cloud cover in December: 41

The months with the most cloud cover are February and December (Cloud cover 41).
The months with the least cloud cover are June and July (Cloud cover 27).

Average visibility in December
Valley View, 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).