Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
With the beginning of December, the average high-temperature in North Charleston shows a small decrease, transitioning from a comfortable 65.8°F (18.8°C) in November to a mild 60.4°F (15.8°C). North Charleston reports a consistent average low-temperature of 47.3°F (8.5°C) throughout December nights.Humidity
December is the most humid month, with an average relative humidity of 77%.Rainfall
In North Charleston, during December, the rain falls for 9.5 days and regularly aggregates up to 2.4" (61mm) of precipitation. In North Charleston, during the entire year, the rain falls for 154.4 days and collects up to 23.43" (595mm) of precipitation.Snowfall
January, February and December are months with snowfall. December has the most snowfall days of the year in North Charleston. Snow falls for 0.3 days.Daylight
The month with the shortest days in North Charleston is December, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 7:05 am and sunset at 5:13 pm. On the last day of December, in North Charleston, sunrise is at 7:22 am and sunset at 5:24 pm EST.
Sunshine
The month with the least sunshine in North Charleston is December, with an average of 5.6h of sunshine.UV index
In December, the average daily maximum UV index in North Charleston is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 4 in December converts into the following recommendations:
Take precautions - Protection against sunburn is recommended. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the average December temperature in North Charleston?
What is the most humid month in North Charleston?
What is the average humidity in December in North Charleston?
How many days does it rain in December in North Charleston?
When does it snow the most in North Charleston?
When does it start snowing in North Charleston?
What is the month with the shortest days in North Charleston?
What is the average length of the day in December in North Charleston?
When is the sunrise / sunset in December in North Charleston?
What is the month with the least sunshine in North Charleston?
How long on average sun shines in December in North Charleston?
How high is the UV index in December in North Charleston?
Average temperature in December
North Charleston, SC
- Average high temperature in December: 60.4°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 (56.8°F).
- Average low temperature in December: 47.3°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 (42.8°F).
Average pressure in December
North Charleston, 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 (29.98"Hg).
Average wind speed in December
North Charleston, SC
- Average wind speed in December: 7.6mph
The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in December
North Charleston, 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 (72%).
Average rainfall in December
North Charleston, SC
- Average rainfall in December: 2.4"
The wettest month (with the highest rainfall) is August (4.29").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in December
North Charleston, SC
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is August (22.7 days).
The month with the least rainy days is November (6.9 days).
Average snowfall days in December
North Charleston, SC
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is December (0.3 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
North Charleston, 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 4min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in December
North Charleston, SC
- Average sunshine days in December: 19 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is August (6.1 days).
Average UV index in December
North Charleston, 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
North Charleston, SC
- Average cloud cover in December: 40
The month with the most cloud cover is December (Cloud cover 40).
The months with the least cloud cover are June and July (Cloud cover 26).
Average visibility in December
North Charleston, 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).
North Charleston, South Carolina, USA
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