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 transition into December is accompanied by a slight temperature decrease, with the average high-temperature shifting from a mild 60.4°F (15.8°C) in November to a fresh 54.5°F (12.5°C). In Clyburn, December nights cool down to an average of 40.5°F (4.7°C).Humidity
In December, the average relative humidity is 74%.Rainfall
In Clyburn, in December, during 11.8 rainfall days, 3.35" (85mm) of precipitation is typically accumulated. Throughout the year, there are 161.3 rainfall days, and 33.03" (839mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In December, it is snowing for 0.4 days. Throughout December, 0.2" (5mm) of snow is accumulated. Throughout the year, there are 2.7 snowfall days, and 1.97" (50mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 7:11 am and sunset at 5:12 pm. On the last day of December, sunrise is at 7:28 am and sunset at 5:22 pm EST.
Sunshine
December has the least sunshine of the year, with an average of 5.4h of sunshine.UV index
The average daily maximum UV index in December is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: A maximum high daily UV index of 3 during December translates into the following directions:
Make use of precautions - It is urged to ward off sun damage. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in December?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
What is the UV index reading in December?
Average temperature in December
Clyburn, SC
- Average high temperature in December: 54.5°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (50.7°F).
- Average low temperature in December: 40.5°F
The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (36°F).
Average pressure in December
Clyburn, 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 (29.97"Hg).
Average wind speed in December
Clyburn, SC
- Average wind speed in December: 7.2mph
The windiest months (with the highest average wind speed) are February and April (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
Clyburn, SC
- Average humidity in December: 74%
The month with the highest relative humidity is May (75%).
The months with the lowest relative humidity are January, March, July and November (71%).
Average rainfall in December
Clyburn, SC
- Average rainfall in December: 3.35"
The wettest month (with the highest rainfall) is August (3.58").
The driest month (with the least rainfall) is October (2.09").
Average rainfall days in December
Clyburn, SC
- Average rainfall days in December: 11.8 days
The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is October (8.7 days).
Average snowfall in December
Clyburn, SC
- Average snowfall in December: 0.2"
The month with the highest snowfall is February (1.06").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Clyburn, SC
- Average snowfall days in December: 0.4 days
The months with the highest number of snowfall days are January and February (0.8 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
Clyburn, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in December
Clyburn, SC
- Average sunshine days in December: 17.3 days
The month with the most sunshine days is October (21.1 days).
The month with the least sunshine days is July (10.6 days).
Average UV index in December
Clyburn, SC
- Average UV index in December: 3
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in December
Clyburn, SC
- Average cloud cover in December: 42
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in December
Clyburn, 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).
Clyburn, South Carolina, USA
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