December weather forecastMayesville, SC
December
Weather in December
The first month of the winter, December, is also a moderate month in Mayesville, South Carolina, with temperature in the range of an average high of 56.3°F (13.5°C) and an average low of 42.3°F (5.7°C).Temperature
December witnesses a gentle descent in average high-temperature, descending from November's refreshing 62.4°F (16.9°C) to a mild 56.3°F (13.5°C). An average nighttime temperature of 42.3°F (5.7°C) is noted in Mayesville during the month of December.Humidity
The average relative humidity in December is 74%.Rainfall
The month with the most rainfall is December, when the rain falls for 11 days and typically aggregates up to 3.58" (91mm) of precipitation.Snowfall
Months with snowfall in Mayesville are January through March, November and December. In Mayesville, during December, snow falls for 0.1 days and regularly aggregates up to 0.16" (4mm) of snow. Throughout the year, there are 1.3 snowfall days, and 1.06" (27mm) of snow is accumulated.Daylight
With an average of 9h and 54min of daylight, December has the shortest days of the year in Mayesville.On the first day of the month, sunrise is at 7:08 am and sunset at 5:11 pm. On the last day of December, sunrise is at 7:26 am and sunset at 5:22 pm EST.
Sunshine
With an average of 5.3h of sunshine, December has the least sunshine of the year in Mayesville.UV index
January, February and December, with an average maximum UV index of 3, are months with the lowest UV index in Mayesville. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high daily UV index of 3 during December translates into the following directions:
Heed the precautions - It is counselled to guard against solar damage. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Mayesville, SC
- Average high temperature in December: 56.3°F
The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is January (52.9°F).
- Average low temperature in December: 42.3°F
The month with the highest average low temperature is July (72.9°F).
The coldest month (with the lowest average low temperature) is January (38.1°F).
Average pressure in December
Mayesville, 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
Mayesville, SC
- Average wind speed in December: 7.5mph
The windiest months (with the highest average wind speed) are February and April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in December
Mayesville, SC
- Average humidity in December: 74%
The month with the highest relative humidity is May (76%).
The months with the lowest relative humidity are January and November (70%).
Average rainfall in December
Mayesville, SC
- Average rainfall in December: 3.58"
The wettest month (with the highest rainfall) is December (3.58").
The driest month (with the least rainfall) is January (1.89").
Average rainfall days in December
Mayesville, SC
- Average rainfall days in December: 11 days
The month with the highest number of rainy days is July (20.1 days).
The month with the least rainy days is October (8.5 days).
Average snowfall in December
Mayesville, SC
- Average snowfall in December: 0.16"
The month with the highest snowfall is February (0.55").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Mayesville, SC
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is February (0.6 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
Mayesville, SC
- Average daylight in December: 9h and 54min
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 18min
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 18min).
Average sunshine days in December
Mayesville, SC
- Average sunshine days in December: 18.8 days
The month with the most sunshine days is October (20.8 days).
The month with the least sunshine days is July (8.8 days).
Average UV index in December
Mayesville, SC
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in December
Mayesville, 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 October (Cloud cover 29).
Average visibility in December
Mayesville, 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).





