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 comfortable 62.2°F (16.8°C) in November to a mild 56.5°F (13.6°C). Throughout December, Centenary encounters an average temperature drop to a wintry 40.8°F (4.9°C).Humidity
The average relative humidity in December is 77%.Rainfall
In December, the rain falls for 11.5 days. Throughout December, 3.31" (84mm) of precipitation is accumulated. In Centenary, South Carolina, during the entire year, the rain falls for 171 days and collects up to 34.29" (871mm) of precipitation.Snowfall
Months with snowfall are January through March and December. December is the first month it typically snows in Centenary. Throughout December, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. In Centenary, during the entire year, snow falls for 1.6 days and aggregates up to 1.1" (28mm) 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 December, sunrise is at 7:05 am and sunset at 5:08 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 5:18 pm EST.
Sunshine
The months with the least sunshine are January and December, with an average of 5.6h of sunshine.UV index
In Centenary, the average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In December, the maximum UV index of 3 translates into these guidelines:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature?
What is the average humidity in December?
How many days does it rain in December?
When does it start snowing?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
What are the months with the least sunshine?
How many hours of sunshine does Centenary have in December?
What is the UV index intensity in December?
Average temperature in December
Centenary, SC
- Average high temperature in December: 56.5°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 (52.3°F).
- Average low temperature in December: 40.8°F
The month with the highest average low temperature is July (72.3°F).
The coldest month (with the lowest average low temperature) is January (36.9°F).
Average pressure in December
Centenary, SC
- Average pressure in December: 30.13"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Centenary, SC
- Average wind speed in December: 6.6mph
The windiest month (with the highest average wind speed) is April (8mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in December
Centenary, SC
- Average humidity in December: 77%
The months with the highest relative humidity are May, August and September (78%).
The months with the lowest relative humidity are January and November (73%).
Average rainfall in December
Centenary, SC
- Average rainfall in December: 3.31"
The wettest month (with the highest rainfall) is August (4.09").
The driest month (with the least rainfall) is January (1.54").
Average rainfall days in December
Centenary, SC
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is July (21.1 days).
The month with the least rainy days is October (8.7 days).
Average snowfall in December
Centenary, SC
- Average snowfall in December: 0.04"
The month with the highest snowfall is February (0.63").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Centenary, SC
- Average snowfall days in December: 0.1 days
The months with the highest number of snowfall days are January and February (0.7 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
Centenary, 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 4min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are January and December (Average sunshine: 5h and 36min).
Average sunshine days in December
Centenary, SC
- Average sunshine days in December: 18.3 days
The month with the most sunshine days is October (20.2 days).
The month with the least sunshine days is July (8 days).
Average UV index in December
Centenary, 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
Centenary, SC
- Average cloud cover in December: 40
The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in December
Centenary, 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).
Centenary, South Carolina, USA
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