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 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
As Green Sea steps into December, the average high-temperature is measured at a still refreshing 57°F (13.9°C), displaying minor differences from November's 62.4°F (16.9°C). December generally records an average low-temperature of 41.9°F (5.5°C).Humidity
The average relative humidity in December is 77%.Rainfall
In Green Sea, during December, the rain falls for 11.6 days and regularly aggregates up to 3.5" (89mm) of precipitation. Throughout the year, there are 173.5 rainfall days, and 36.61" (930mm) of precipitation is accumulated.Snowfall
Months with snowfall in Green Sea are January through March and December. December is the first month it typically snows. Throughout December, in the average 0.1 snowfall days, it receives 0.08" (2mm) of snow. Throughout the year, there are 1.8 snowfall days, and 0.94" (24mm) of snow is accumulated.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 7:03 am and sunset at 5:06 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 5:16 pm EST.
Sunshine
The average sunshine in December is 5.7h.UV index
The average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In December, the maximum UV index of 3 translates into these guidelines:
Guard yourself - Precautionary measures against sun damage are advocated. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What is the average humidity in December?
How much does it rain in December?
When does it start to snow?
What is the month with the shortest days?
How many hours of daylight does Green Sea have in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Green Sea have in December?
What is the UV index reading in December?
Average temperature in December
Green Sea, SC
- Average high temperature in December: 57°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (52.9°F).
- Average low temperature in December: 41.9°F
The month with the highest average low temperature is July (72.9°F).
The coldest month (with the lowest average low temperature) is January (37.2°F).
Average pressure in December
Green Sea, SC
- Average pressure in December: 30.13"Hg
The months with the highest atmospheric pressure are January, November and December (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in December
Green Sea, SC
- Average wind speed in December: 7mph
The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in December
Green Sea, SC
- Average humidity in December: 77%
The months with the highest relative humidity are May, June, August and September (79%).
The month with the lowest relative humidity is January (73%).
Average rainfall in December
Green Sea, SC
- Average rainfall in December: 3.5"
The wettest month (with the highest rainfall) is August (4.61").
The driest month (with the least rainfall) is January (1.61").
Average rainfall days in December
Green Sea, SC
- Average rainfall days in December: 11.6 days
The month with the highest number of rainy days is July (21.3 days).
The months with the least rainy days are October and November (9.7 days).
Average snowfall in December
Green Sea, SC
- Average snowfall in December: 0.08"
The month with the highest snowfall is January (0.43").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Green Sea, SC
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is January (0.8 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
Green Sea, SC
- Average daylight in December: 9h and 5min
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 4min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in December
Green Sea, SC
- Average sunshine days in December: 18 days
The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is July (6.8 days).
Average UV index in December
Green Sea, SC
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in December
Green Sea, SC
- Average cloud cover in December: 40
The months with the most cloud cover are February, March and December (Cloud cover 40).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in December
Green Sea, 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).
Green Sea, South Carolina, USA
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