December weather forecastMcClellanville, SC
December
Weather in December
December, the first month of the winter in McClellanville, is also a moderate month, with temperature in the range of an average high of 59.4°F (15.2°C) and an average low of 45.5°F (7.5°C).Temperature
The arrival of December suggests a slight decrease in the average high-temperature, moving from a comfortable 65.3°F (18.5°C) in November to a still refreshing 59.4°F (15.2°C). McClellanville reports an average low-temperature of 45.5°F (7.5°C) during the nights of December.Humidity
August and December, with an average relative humidity of 78%, are the most humid months in McClellanville.Rainfall
In December, in McClellanville, the rain falls for 10.6 days. Throughout December, 4.69" (119mm) of precipitation is accumulated. In McClellanville, South Carolina, during the entire year, the rain falls for 179.9 days and collects up to 40.94" (1040mm) of precipitation.Snowfall
Months with snowfall in McClellanville, South Carolina, are January, February and December. December is the first month it typically snows. Throughout December, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. In McClellanville, South Carolina, during the entire year, snow falls for 1 days and aggregates up to 0.31" (8mm) of snow.Daylight
December has the shortest days of the year, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 7:03 am and sunset at 5:10 pm. On the last day of December, sunrise is at 7:20 am and sunset at 5:21 pm EST.
Sunshine
December has the least sunshine of the year in McClellanville, with an average of 5.7h of sunshine.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: The UV index of 3 in December translates into these instructions:
Undertake precautions - Obligation exists to protect against skin and eye damage. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
McClellanville, SC
- Average high temperature in December: 59.4°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 (55.8°F).
- Average low temperature in December: 45.5°F
The month with the highest average low temperature is July (74.8°F).
The coldest month (with the lowest average low temperature) is January (40.8°F).
Average pressure in December
McClellanville, 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
McClellanville, SC
- Average wind speed in December: 6.5mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in December
McClellanville, SC
- Average humidity in December: 78%
The months with the highest relative humidity are August and December (78%).
The months with the lowest relative humidity are January and March (74%).
Average rainfall in December
McClellanville, SC
- Average rainfall in December: 4.69"
The wettest month (with the highest rainfall) is August (6.46").
The driest month (with the least rainfall) is January (1.46").
Average rainfall days in December
McClellanville, SC
- Average rainfall days in December: 10.6 days
The months with the highest number of rainy days are July and August (23.2 days).
The month with the least rainy days is November (8.9 days).
Average snowfall in December
McClellanville, SC
- Average snowfall in December: 0.04"
The month with the highest snowfall is February (0.24").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
McClellanville, SC
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is January (0.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
McClellanville, 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 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
McClellanville, SC
- Average sunshine days in December: 18.4 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is July (5.5 days).
Average UV index in December
McClellanville, SC
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in December
McClellanville, SC
- Average cloud cover in December: 40
The months with the most cloud cover are February and December (Cloud cover 40).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in December
McClellanville, 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).
