December weather forecast
Parker, SC

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Weather in December

The first month of the winter, December, is also a fresh month in Parker, South Carolina, with an average temperature ranging between max 52.5°F (11.4°C) and min 38.1°F (3.4°C).

Temperature

The beginning of December brings a slight decrease in the average high-temperature, transitioning from a mild 59.7°F (15.4°C) in November to a fresh 52.5°F (11.4°C). In Parker, December nights witness a steady temperature drop to an icy 38.1°F (3.4°C).

Humidity

The most humid month in Parker is December, with an average relative humidity of 76%.

Rainfall

December is the month with the most rainfall. Rain falls for 10.5 days and accumulates 3.39" (86mm) of precipitation.

Snowfall

Months with snowfall in Parker are January through March, November and December. The month with the most snowfall in Parker is December, when snow falls for 0.5 days and typically aggregates up to 1.81" (46mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 54min of daylight.
On the first day of December, sunrise is at 7:19 am and sunset at 5:18 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 5:29 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 and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The daily high UV index of 2 in December translates into this advice:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Enhance your sun protection with tightly woven, yet airy clothing. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Parker in December?

The high-temperature during December is 52.5°F (11.4°C) and the low-temperature is 38.1°F (3.4°C). In September, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 87.8°F (31°C).

What is the most humid month in Parker?

The most humid month in Parker is December, with an average relative humidity of 76%.

What is the average humidity in December in Parker?

The average relative humidity in December is 76%.

What is the wettest month in Parker?

December is the month with the most rainfall in Parker, South Carolina. Rain falls for 10.5 days and accumulates 3.39" (86mm) of precipitation.

How many days does it rain in December in Parker?

In December, in Parker, South Carolina, the rain falls for 10.5 days. Throughout December, 3.39" (86mm) of precipitation is accumulated.

What is the snowiest month in Parker?

The month with the most snowfall in Parker is December, when snow falls for 0.5 days and typically aggregates up to 1.81" (46mm) of snow.

How much does it snow in Parker in December?

In December, it is snowing for 0.5 days. Throughout December, 1.81" (46mm) of snow is accumulated.

What is the month with the shortest days in Parker?

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

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

The average day length in December in Parker is 9h and 52min.

When are sunrise and sunset in December in Parker?

On the first day of December, sunrise is at 7:19 am and sunset at 5:18 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 5:29 pm EST.

What is the month with the least sunshine in Parker?

December has the least sunshine of the year in Parker, South Carolina, with an average of 5.5h of sunshine.

How long on average sun shines in December in Parker?

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

What is the month with the lowest UV index in Parker?

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

What is the UV index reading in December in Parker?

The average daily maximum UV index in December in Parker, South Carolina, is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Parker, SC

Average temperature in December - Parker, SC
  • Average high temperature in December: 52.5°F

The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (49.3°F).

  • Average low temperature in December: 38.1°F

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (33.1°F).

Average pressure in December
Parker, SC

Average pressure in December - Parker, 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
Parker, SC

Average wind speed in December - Parker, SC
  • Average wind speed in December: 5.7mph

The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

Average humidity in December
Parker, SC

Average humidity in December - Parker, SC
  • Average humidity in December: 76%

The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is July (69%).

Average rainfall in December
Parker, SC

Average rainfall in December - Parker, SC
  • Average rainfall in December: 3.39"

The wettest month (with the highest rainfall) is December (3.39").
The driest month (with the least rainfall) is September (1.38").

Average rainfall days in December
Parker, SC

Average rainfall days in December - Parker, SC
  • Average rainfall days in December: 10.5 days

The month with the highest number of rainy days is July (15.5 days).
The month with the least rainy days is October (8.5 days).

Average snowfall in December
Parker, SC

Average snowfall in December - Parker, SC
  • Average snowfall in December: 1.81"

The month with the highest snowfall is December (1.81").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Parker, SC

Average snowfall days in December - Parker, SC
  • Average snowfall days in December: 0.5 days

The month with the highest number of snowfall days is February (1.3 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
Parker, SC

Average daylight in December / Average sunshine in December - Parker, SC
  • Average daylight in December: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in December: 5h and 3min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

Average sunshine days in December
Parker, SC

Average sunshine days in December - Parker, SC
  • Average sunshine days in December: 19.3 days

The month with the most sunshine days is October (21.7 days).
The month with the least sunshine days is August (13.2 days).

Average UV index in December
Parker, SC

Average UV index in December - Parker, 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
Parker, SC

Average cloud cover in December - Parker, SC
  • Average cloud cover in December: 40

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

Average visibility in December
Parker, SC

Average visibility in December - Parker, 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).

Parker, South Carolina, USA

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