Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The onset of December marks an average high-temperature of a still refreshing 60.8°F (16°C), hardly differing from November's 65.5°F (18.6°C). December nights observe an average temperature dip to a cool 50.9°F (10.5°C).Humidity
December is the most humid month, with an average relative humidity of 78%.Rainfall
In Whitehall Terrace, in December, it is raining for 12.4 days, with typically 4.69" (119mm) of accumulated precipitation. In Whitehall Terrace, during the entire year, the rain falls for 184.5 days and collects up to 45.83" (1164mm) of precipitation.Snowfall
March through December are months without snowfall.Daylight
With an average of 10h and 0min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:04 am and sunset at 5:12 pm. On the last day of December, sunrise is at 7:21 am and sunset at 5:23 pm EST.
Sunshine
With an average of 5.7h of sunshine, December has the least sunshine of the year.UV index
The average daily maximum UV index in December is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In December, the UV index of 4 transforms into the following advice:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature?
What is the most humid month?
What is the average humidity in December?
How many days does it rain in December?
When it does not snow?
Does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Whitehall Terrace have in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine in Whitehall Terrace?
How many hours of sunshine does Whitehall Terrace have in December?
How high is the UV index in December in Whitehall Terrace?
Average temperature in December
Whitehall Terrace, SC
- Average high temperature in December: 60.8°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (57°F).
- Average low temperature in December: 50.9°F
The month with the highest average low temperature is July (78.4°F).
The coldest month (with the lowest average low temperature) is January (45.7°F).
Average pressure in December
Whitehall Terrace, SC
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Whitehall Terrace, SC
- Average wind speed in December: 10.1mph
The windiest months (with the highest average wind speed) are March and April (10.6mph).
The calmest month (with the lowest average wind speed) is August (8.6mph).
Average humidity in December
Whitehall Terrace, SC
- Average humidity in December: 78%
The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are January and March (73%).
Average rainfall in December
Whitehall Terrace, SC
- Average rainfall in December: 4.69"
The wettest month (with the highest rainfall) is August (7.83").
The driest month (with the least rainfall) is January (1.54").
Average rainfall days in December
Whitehall Terrace, SC
- Average rainfall days in December: 12.4 days
The month with the highest number of rainy days is August (25.2 days).
The month with the least rainy days is November (9.9 days).
Average snowfall in December
Whitehall Terrace, SC
- Average snowfall in December: 0"
The months with the highest snowfall are January and February (0.04").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Whitehall Terrace, SC
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is January (0.5 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Whitehall Terrace, 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 4min
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 42min).
Average sunshine days in December
Whitehall Terrace, SC
- Average sunshine days in December: 15.8 days
The month with the most sunshine days is January (18.1 days).
The month with the least sunshine days is August (2.5 days).
Average UV index in December
Whitehall Terrace, SC
- Average UV index in December: 4
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover in December
Whitehall Terrace, SC
- Average cloud cover in December: 39
The month with the most cloud cover is December (Cloud cover 39).
The month with the least cloud cover is June (Cloud cover 25).
Average visibility in December
Whitehall Terrace, 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).
Whitehall Terrace, South Carolina, USA
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