December weather forecastBroadmouth, SC
December
Weather in December
The first month of the winter, December, is also a fresh month in Broadmouth, South Carolina, with temperature in the range of an average high of 53.8°F (12.1°C) and an average low of 38.8°F (3.8°C).Temperature
Transition into December subtly marks a drop in the average high-temperature, moderately moving from a refreshing 60.4°F (15.8°C) in November to a fresh 53.8°F (12.1°C). An average minimum temperature of 38.8°F (3.8°C) is recorded during the month of December.Humidity
December is the most humid month in Broadmouth, South Carolina, with an average relative humidity of 77%.Rainfall
December is the month with the most rainfall. Rain falls for 11.9 days and accumulates 4.09" (104mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. The month with the most snowfall is December, when snow falls for 0.5 days and typically aggregates up to 1.14" (29mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 54min of daylight.On the first day of December, sunrise is at 7:18 am and sunset at 5:19 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 5:29 pm EST.
Sunshine
December has the least sunshine of the year, with an average of 5.2h of sunshine.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for average individuals.Note: An average UV index of 2 in December transforms into this advice:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Broadmouth, SC
- Average high temperature in December: 53.8°F
The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is January (50.5°F).
- Average low temperature in December: 38.8°F
The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (34.5°F).
Average pressure in December
Broadmouth, 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 (29.98"Hg).
Average wind speed in December
Broadmouth, SC
- Average wind speed in December: 6.7mph
The windiest month (with the highest average wind speed) is February (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in December
Broadmouth, SC
- Average humidity in December: 77%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (70%).
Average rainfall in December
Broadmouth, SC
- Average rainfall in December: 4.09"
The wettest month (with the highest rainfall) is December (4.09").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in December
Broadmouth, SC
- Average rainfall days in December: 11.9 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is October (8.8 days).
Average snowfall in December
Broadmouth, SC
- Average snowfall in December: 1.14"
The month with the highest snowfall is December (1.14").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Broadmouth, SC
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is January (1.3 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
Broadmouth, 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 12min
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 12min).
Average sunshine days in December
Broadmouth, SC
- Average sunshine days in December: 17.6 days
The month with the most sunshine days is October (21.5 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in December
Broadmouth, SC
- Average UV index in December: 2
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Broadmouth, SC
- Average cloud cover in December: 45
The month with the most cloud cover is December (Cloud cover 45).
The months with the least cloud cover are June and July (Cloud cover 30).
Average visibility in December
Broadmouth, SC
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
