December weather forecastShell Point, SC
December
Weather in December
The first month of the winter, December, is still a comfortable month in Shell Point, South Carolina, with an average temperature fluctuating between 49.1°F (9.5°C) and 61.3°F (16.3°C).Temperature
In Shell Point, entering December brings a subtle temperature decrement, reducing from November's 66.9°F (19.4°C) to a still enjoyable 61.3°F (16.3°C). An average low-temperature of 49.1°F (9.5°C) is observed in Shell Point during the December nights.Humidity
The most humid month is December, with an average relative humidity of 77%.Rainfall
In Shell Point, in December, during 10.5 rainfall days, 2.05" (52mm) of precipitation is typically accumulated. Throughout the year, there are 154.7 rainfall days, and 23.11" (587mm) of precipitation is accumulated.Snowfall
Months with snowfall are January, February and December. December is the first month it typically snows. Throughout December, there are 0.1 snowfall days. Throughout the year, there are 0.4 snowfall days.Daylight
The month with the shortest days is December, with an average of 10h and 6min of daylight.On the first day of the month, sunrise is at 7:06 am and sunset at 5:17 pm. On the last day of December, sunrise is at 7:24 am and sunset at 5:28 pm EST.
Sunshine
December has the least sunshine of the year, with an average of 5.6h of sunshine.UV index
The average daily maximum UV index in December is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index, 4 during December, leads to the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Shell Point, SC
- Average high temperature in December: 61.3°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 (57.6°F).
- Average low temperature in December: 49.1°F
The month with the highest average low temperature is August (76.6°F).
The coldest month (with the lowest average low temperature) is January (44.1°F).
Average pressure in December
Shell Point, SC
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).
Average wind speed in December
Shell Point, SC
- Average wind speed in December: 7.8mph
The windiest month (with the highest average wind speed) is April (8.2mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in December
Shell Point, SC
- Average humidity in December: 77%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is March (71%).
Average rainfall in December
Shell Point, SC
- Average rainfall in December: 2.05"
The wettest month (with the highest rainfall) is August (3.54").
The driest month (with the least rainfall) is February (0.87").
Average rainfall days in December
Shell Point, SC
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is August (21.8 days).
The month with the least rainy days is November (6.8 days).
Average snowfall days in December
Shell Point, SC
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Shell Point, SC
- Average daylight in December: 10h and 6min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in December: 5h and 36min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in December
Shell Point, SC
- Average sunshine days in December: 18.4 days
The month with the most sunshine days is November (20.7 days).
The month with the least sunshine days is August (5.3 days).
Average UV index in December
Shell Point, SC
- Average UV index in December: 4
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover in December
Shell Point, SC
- Average cloud cover in December: 39
The months with the most cloud cover are February and December (Cloud cover 39).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in December
Shell Point, 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).





