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 arrival signals a moderate reduction in the average high-temperature, easing from a refreshing 61.7°F (16.5°C) in November to a fresh 54.9°F (12.7°C). During December, Winnsboro Mills consistently records a temperature low averaging a cold 40.6°F (4.8°C).Humidity
May and December, with an average relative humidity of 75%, are the most humid months.Rainfall
December is the month with the most rainfall in Winnsboro Mills, South Carolina. Rain falls for 12 days and accumulates 3.5" (89mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. In Winnsboro Mills, in December, snow falls for 0.2 days, with typically accumulated 0.08" (2mm) of snow. Throughout the year, there are 2.5 snowfall days, and 1.34" (34mm) of snow is accumulated.Daylight
With an average of 9h and 54min of daylight, December has the shortest days of the year in Winnsboro Mills.On the first day of December, sunrise is at 7:12 am and sunset at 5:14 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:24 pm EST.
Sunshine
With an average of 5.4h of sunshine, December has the least sunshine of the year.UV index
In Winnsboro Mills, South Carolina, the average daily maximum UV index in December is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: In December, the maximum UV index of 3 transforms into these recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Always opt for UVA and UVB-resistant sunglasses on radiant days. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Winnsboro Mills in December?
What are the most humid months in Winnsboro Mills?
What is the average humidity in December in Winnsboro Mills?
What is the wettest month in Winnsboro Mills?
How many days does it rain in December in Winnsboro Mills?
How many days does it snow in December in Winnsboro Mills?
What is the month with the shortest days in Winnsboro Mills?
How many hours of daylight does Winnsboro Mills have in December?
When is the sunrise / sunset in December in Winnsboro Mills?
What is the month with the least sunshine in Winnsboro Mills?
How many hours of sunshine does Winnsboro Mills have in December?
What is the UV index reading in December in Winnsboro Mills?
Average temperature in December
Winnsboro Mills, SC
- Average high temperature in December: 54.9°F
The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is January (51.4°F).
- Average low temperature in December: 40.6°F
The month with the highest average low temperature is July (71.8°F).
The coldest month (with the lowest average low temperature) is January (36.1°F).
Average pressure in December
Winnsboro Mills, SC
- Average pressure in December: 30.14"Hg
The months with the highest atmospheric pressure are January, November and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in December
Winnsboro Mills, SC
- Average wind speed in December: 7mph
The windiest months (with the highest average wind speed) are February and April (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Winnsboro Mills, SC
- Average humidity in December: 75%
The months with the highest relative humidity are May and December (75%).
The months with the lowest relative humidity are June, July and November (71%).
Average rainfall in December
Winnsboro Mills, SC
- Average rainfall in December: 3.5"
The wettest month (with the highest rainfall) is December (3.5").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in December
Winnsboro Mills, SC
- Average rainfall days in December: 12 days
The month with the highest number of rainy days is July (18 days).
The months with the least rainy days are October and November (9 days).
Average snowfall in December
Winnsboro Mills, SC
- Average snowfall in December: 0.08"
The month with the highest snowfall is February (0.83").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Winnsboro Mills, SC
- Average snowfall days in December: 0.2 days
The month with the highest number of snowfall days is February (1.2 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
Winnsboro Mills, 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 54min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in December
Winnsboro Mills, SC
- Average sunshine days in December: 17.4 days
The month with the most sunshine days is October (20.9 days).
The month with the least sunshine days is July (10.5 days).
Average UV index in December
Winnsboro Mills, 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
Winnsboro Mills, 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 28).
Average visibility in December
Winnsboro Mills, 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).
Winnsboro Mills, South Carolina, USA
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