December weather forecastDunean, SC
December
Weather in December
The first month of the winter, December, is also a fresh month in Dunean, South Carolina, with an average temperature fluctuating between 52.7°F (11.5°C) and 38.5°F (3.6°C).Temperature
The start of December signals a gentle decrease in the average high-temperature, transitioning from a moderate 59.9°F (15.5°C) in November to a fresh 52.7°F (11.5°C). Dunean observes an average low-temperature of 38.5°F (3.6°C) during December.Humidity
December is the most humid month in Dunean, with an average relative humidity of 76%.Rainfall
The month with the most rainfall is December, when the rain falls for 11.7 days and typically aggregates up to 4.06" (103mm) of precipitation.Snowfall
January through March, November and December are months with snowfall in Dunean. December is the month with the most snowfall. Snow falls for 0.5 days and accumulates 1.57" (40mm) of snow.Daylight
December has the shortest days of the year in Dunean, South Carolina, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 7:19 am and sunset at 5:18 pm. On the last day of December, sunrise is at 7:37 am and sunset at 5:28 pm EST.
Sunshine
With an average of 5.5h of sunshine, December has the least sunshine of the year.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 2 during December translates into the following guidance:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun. 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
Average temperature in December
Dunean, SC
- Average high temperature in December: 52.7°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 (49.6°F).
- Average low temperature in December: 38.5°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (33.3°F).
Average pressure in December
Dunean, 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 (29.99"Hg).
Average wind speed in December
Dunean, SC
- Average wind speed in December: 5.9mph
The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in December
Dunean, SC
- Average humidity in December: 76%
The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is July (69%).
Average rainfall in December
Dunean, SC
- Average rainfall in December: 4.06"
The wettest month (with the highest rainfall) is December (4.06").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in December
Dunean, SC
- Average rainfall days in December: 11.7 days
The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is October (9.4 days).
Average snowfall in December
Dunean, SC
- Average snowfall in December: 1.57"
The month with the highest snowfall is December (1.57").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Dunean, SC
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is January (1.4 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
Dunean, SC
- Average daylight in December: 9h and 54min
The month with the longest days is June (Average daylight: 14h and 30min).
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: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in December
Dunean, SC
- Average sunshine days in December: 17.9 days
The month with the most sunshine days is October (20.6 days).
The month with the least sunshine days is July (10.2 days).
Average UV index in December
Dunean, SC
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Dunean, 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 July (Cloud cover 27).
Average visibility in December
Dunean, 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).
