December weather forecastLydia, SC
December
Weather in December
December, the first month of the winter in Lydia, is still a mild month, with an average temperature ranging between min 41°F (5°C) and max 55.6°F (13.1°C).Temperature
December's onset brings a negligible change in high-temperatures, falling from an enjoyable 61.7°F (16.5°C) in November to a mild 55.6°F (13.1°C). Throughout December, the nighttime temperature in Lydia averages to a cold 41°F (5°C).Humidity
The average relative humidity in December in Lydia is 75%.Rainfall
In Lydia, in December, during 11.2 rainfall days, 3.15" (80mm) of precipitation is typically accumulated. Throughout the year, there are 154 rainfall days, and 30.51" (775mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In Lydia, during December, snow falls for 0.1 days and regularly aggregates up to 0.2" (5mm) of snow. Throughout the year, there are 1.4 snowfall days, and 1.57" (40mm) of snow is accumulated.Daylight
With an average of 9h and 54min of daylight, December has the shortest days of the year in Lydia, South Carolina.On the first day of December, sunrise is at 7:08 am and sunset at 5:10 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 5:21 pm EST.
Sunshine
January and December, with an average of 5.5h of sunshine, are months with the least sunshine.UV index
The average daily maximum UV index in December is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 3 during December leads to these advisories:
Take precautions - Protection against sun damage is advised. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. 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
Lydia, SC
- Average high temperature in December: 55.6°F
The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (51.8°F).
- Average low temperature in December: 41°F
The month with the highest average low temperature is July (72.5°F).
The coldest month (with the lowest average low temperature) is January (36.9°F).
Average pressure in December
Lydia, 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
Lydia, SC
- Average wind speed in December: 7.1mph
The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in December
Lydia, SC
- Average humidity in December: 75%
The months with the highest relative humidity are May and September (76%).
The months with the lowest relative humidity are January and November (71%).
Average rainfall in December
Lydia, SC
- Average rainfall in December: 3.15"
The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is January (1.81").
Average rainfall days in December
Lydia, SC
- Average rainfall days in December: 11.2 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is October (7.8 days).
Average snowfall in December
Lydia, SC
- Average snowfall in December: 0.2"
The month with the highest snowfall is February (0.94").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Lydia, SC
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is February (0.7 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
Lydia, 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 30min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).
Average sunshine days in December
Lydia, SC
- Average sunshine days in December: 18.4 days
The month with the most sunshine days is October (21.9 days).
The month with the least sunshine days is July (11 days).
Average UV index in December
Lydia, 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
Lydia, SC
- Average cloud cover in December: 41
The months with the most cloud cover are February and December (Cloud cover 41).
The months with the least cloud cover are June and October (Cloud cover 29).
Average visibility in December
Lydia, 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).





