December weather forecastEdisto Beach, SC
December
Weather in December
December marks the beginning of winter in Edisto Beach, with a further drop in temperature from November. The beach town slows down, becoming more tranquil and quieter. The mostly sunny and clear days offer a distinct seaside winter experience, far removed from the bustling summer months. With the highest relative humidity of the year at 77%, the month feels cooler despite the milder winter temperatures.Temperature
In Edisto Beach, the beginning of December is marked by a marginally lowered average high-temperature, shifting from November's 66.2°F (19°C) to a still refreshing 60.6°F (15.9°C). Throughout the month of December, the nighttime temperature dips to an average of 48°F (8.9°C).Humidity
With an average relative humidity of 77%, December is the most humid month.Rainfall
In Edisto Beach, South Carolina, in December, it is raining for 7.5 days, with typically 1.14" (29mm) of accumulated precipitation. Throughout the year, there are 118.7 rainfall days, and 10.63" (270mm) of precipitation is accumulated.Snowfall
Months with snowfall in Edisto Beach are January and December. The months with the most snowfall days are January and December, with an average of 0.1 snowfall days.Daylight
December has the shortest days of the year, with an average of 10h and 6min of daylight.On the first day of the month, sunrise is at 7:05 am and sunset at 5:15 pm. On the last day of December, sunrise is at 7:22 am and sunset at 5:26 pm EST.
Sunshine
With an average of 5.7h of sunshine, December has the least sunshine of the year.UV index
In December, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: In December, the UV index of 4 transforms into the following advice:
Be vigilant - A duty to shield skin and eyes from injury exists. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Edisto Beach, SC
- Average high temperature in December: 60.6°F
The warmest month (with the highest average high temperature) is July (89.8°F).
The month with the lowest average high temperature is January (57.2°F).
- Average low temperature in December: 48°F
The month with the highest average low temperature is July (76.5°F).
The coldest month (with the lowest average low temperature) is January (43.2°F).
Average pressure in December
Edisto Beach, 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
Edisto Beach, SC
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in December
Edisto Beach, SC
- Average humidity in December: 77%
The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are January and March (72%).
Average rainfall in December
Edisto Beach, SC
- Average rainfall in December: 1.14"
The wettest month (with the highest rainfall) is August (1.73").
The driest month (with the least rainfall) is January (0.31").
Average rainfall days in December
Edisto Beach, SC
- Average rainfall days in December: 7.5 days
The month with the highest number of rainy days is August (16.9 days).
The month with the least rainy days is November (5.7 days).
Average snowfall days in December
Edisto Beach, SC
- Average snowfall days in December: 0.1 days
The months with the highest number of snowfall days are January and December (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Edisto Beach, SC
- Average daylight in December: 10h and 6min
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 6min).
- Average sunshine in December: 5h and 42min
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 42min).
Average sunshine days in December
Edisto Beach, SC
- Average sunshine days in December: 21.7 days
The month with the most sunshine days is January (23.3 days).
The month with the least sunshine days is August (9.6 days).
Average UV index in December
Edisto Beach, 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
Edisto Beach, SC
- Average cloud cover in December: 39
The months with the most cloud cover are February and December (Cloud cover 39).
The months with the least cloud cover are June and July (Cloud cover 25).
Average visibility in December
Edisto Beach, 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).
