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
December's onset brings a negligible change in high-temperatures, falling from a refreshing 60.4°F (15.8°C) in November to a fresh 54.5°F (12.5°C). Blackstock experiences a nighttime temperature average of 39.7°F (4.3°C) during December.Humidity
December is the most humid month in Blackstock, with an average relative humidity of 76%.Rainfall
In Blackstock, in December, during 10.9 rainfall days, 3.15" (80mm) of precipitation is typically accumulated. In Blackstock, during the entire year, the rain falls for 157.1 days and collects up to 31.06" (789mm) of precipitation.Snowfall
Months with snowfall are January through March and December. December is the month with the most snowfall. Snow falls for 0.3 days and accumulates 0.67" (17mm) of snow.Daylight
December has the shortest days of the year in Blackstock, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 7:13 am and sunset at 5:14 pm. On the last day of December, sunrise is at 7:31 am and sunset at 5:24 pm EST.
Sunshine
With an average of 5.5h of sunshine, December has the least sunshine of the year in Blackstock.UV index
In Blackstock, the average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: A typical high UV index of 3 in December suggests the following recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in Blackstock?
What is the most humid month in Blackstock?
What is the average humidity in December in Blackstock?
How much does it rain in Blackstock in December?
What is the snowiest month in Blackstock?
When does it start snowing in Blackstock?
What is the month with the shortest days in Blackstock?
What is the average length of the day in December in Blackstock?
When are sunrise and sunset in December in Blackstock?
What is the month with the least sunshine in Blackstock?
How many hours of sunshine does Blackstock have in December?
What is the UV index intensity in December in Blackstock?
Average temperature in December
Blackstock, SC
- Average high temperature in December: 54.5°F
The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is January (50.5°F).
- Average low temperature in December: 39.7°F
The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (34.7°F).
Average pressure in December
Blackstock, SC
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Blackstock, SC
- Average wind speed in December: 6.6mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in December
Blackstock, 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 (70%).
Average rainfall in December
Blackstock, SC
- Average rainfall in December: 3.15"
The wettest month (with the highest rainfall) is August (3.35").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in December
Blackstock, SC
- Average rainfall days in December: 10.9 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is October (8.8 days).
Average snowfall in December
Blackstock, SC
- Average snowfall in December: 0.67"
The month with the highest snowfall is December (0.67").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Blackstock, SC
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is February (0.9 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
Blackstock, 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 3min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in December
Blackstock, SC
- Average sunshine days in December: 18.7 days
The month with the most sunshine days is October (21.3 days).
The month with the least sunshine days is July (8.8 days).
Average UV index in December
Blackstock, SC
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in December
Blackstock, SC
- Average cloud cover in December: 42
The months with the most cloud cover are February and December (Cloud cover 42).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in December
Blackstock, 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).
Blackstock, South Carolina, USA
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