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
December is characterized by a mild reduction in the average high-temperature, from a comfortable 61.7°F (16.5°C) in November to a moderate 55.6°F (13.1°C). December's average low-temperature reading settles at an icy 41.5°F (5.3°C).Humidity
The average relative humidity in December is 74%.Rainfall
In Sumei Circle, during December, the rain falls for 10.5 days and regularly aggregates up to 3.27" (83mm) of precipitation. In Sumei Circle, during the entire year, the rain falls for 157 days and collects up to 31.54" (801mm) of precipitation.Snowfall
Months with snowfall in Sumei Circle are January through March, November and December. In Sumei Circle, during December, snow falls for 0.1 days and regularly aggregates up to 0.16" (4mm) of snow. In Sumei Circle, during the entire year, snow falls for 1.4 days and aggregates up to 0.75" (19mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 54min of daylight.On the first day of December, sunrise is at 7:11 am and sunset at 5:13 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 5:24 pm EST.
Sunshine
The month with the least sunshine is December, with an average of 5.5h of sunshine.UV index
The average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high UV index of 3 in December translates into the following recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Sumei Circle have in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Sumei Circle have in December?
What is the UV index intensity in December?
Average temperature in December
Sumei Circle, SC
- Average high temperature in December: 55.6°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (52.2°F).
- Average low temperature in December: 41.5°F
The month with the highest average low temperature is July (72.5°F).
The coldest month (with the lowest average low temperature) is January (37.6°F).
Average pressure in December
Sumei Circle, SC
- Average pressure in December: 30.14"Hg
The months with the highest atmospheric pressure are January, November and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in December
Sumei Circle, SC
- Average wind speed in December: 7.1mph
The windiest months (with the highest average wind speed) are February and April (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in December
Sumei Circle, SC
- Average humidity in December: 74%
The month with the highest relative humidity is May (75%).
The months with the lowest relative humidity are January and November (70%).
Average rainfall in December
Sumei Circle, SC
- Average rainfall in December: 3.27"
The wettest month (with the highest rainfall) is August (3.66").
The driest months (with the least rainfall) are January and November (1.97").
Average rainfall days in December
Sumei Circle, SC
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is July (19.7 days).
The month with the least rainy days is October (8.2 days).
Average snowfall in December
Sumei Circle, SC
- Average snowfall in December: 0.16"
The month with the highest snowfall is February (0.31").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Sumei Circle, SC
- Average snowfall days in December: 0.1 days
The months with the highest number of snowfall days are January and February (0.5 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Sumei Circle, 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 3min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in December
Sumei Circle, SC
- Average sunshine days in December: 19.3 days
The month with the most sunshine days is October (21.8 days).
The month with the least sunshine days is July (8.9 days).
Average UV index in December
Sumei Circle, 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
Sumei Circle, SC
- Average cloud cover in December: 40
The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in December
Sumei Circle, 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).
Sumei Circle, South Carolina, USA
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