December weather forecastSycamore, SC
December
Weather in December
December, the first month of the winter in Sycamore, is still a refreshing month, with temperature in the range of an average high of 58.6°F (14.8°C) and an average low of 44.1°F (6.7°C).Temperature
December brings a slight decrease in temperature, down from an enjoyable 64.6°F (18.1°C) in November to a still refreshing 58.6°F (14.8°C). Throughout December nights, Sycamore registers an average low-temperature of 44.1°F (6.7°C).Humidity
The months with the highest humidity in Sycamore, South Carolina, are August and December, with an average relative humidity of 76%.Rainfall
In December, in Sycamore, the rain falls for 9.6 days. Throughout December, 3.43" (87mm) of precipitation is accumulated. Throughout the year, there are 152.9 rainfall days, and 31.18" (792mm) of precipitation is accumulated.Snowfall
March through December are months without snowfall in Sycamore, South Carolina.Daylight
The month with the shortest days is December, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 7:10 am and sunset at 5:17 pm. On the last day of December, sunrise is at 7:27 am and sunset at 5:28 pm EST.
Sunshine
The month with the least sunshine is December, with an average of 5.3h of sunshine.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 3 transforms into these recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sycamore, SC
- Average high temperature in December: 58.6°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (55.4°F).
- Average low temperature in December: 44.1°F
The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (39.9°F).
Average pressure in December
Sycamore, SC
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in December
Sycamore, SC
- Average wind speed in December: 6.6mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in December
Sycamore, SC
- Average humidity in December: 76%
The months with the highest relative humidity are August and December (76%).
The month with the lowest relative humidity is January (70%).
Average rainfall in December
Sycamore, SC
- Average rainfall in December: 3.43"
The wettest month (with the highest rainfall) is August (3.7").
The driest month (with the least rainfall) is November (1.38").
Average rainfall days in December
Sycamore, SC
- Average rainfall days in December: 9.6 days
The month with the highest number of rainy days is August (20.8 days).
The month with the least rainy days is November (6.6 days).
Average snowfall in December
Sycamore, SC
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.12").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Sycamore, SC
- Average snowfall days in December: 0 days
The months with the highest number of snowfall days are January and February (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Sycamore, SC
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 5h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in December
Sycamore, SC
- Average sunshine days in December: 19.5 days
The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is August (7.3 days).
Average UV index in December
Sycamore, SC
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in December
Sycamore, SC
- Average cloud cover in December: 43
The months with the most cloud cover are February and December (Cloud cover 43).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in December
Sycamore, 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).





