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's arrival comes with a mild decrease in the average high-temperature, moving subtly from a comfortable 62.4°F (16.9°C) in November to a still refreshing 56.3°F (13.5°C). East Sumter records an average nighttime low-temperature of 42.3°F (5.7°C) throughout December.Humidity
In East Sumter, the average relative humidity in December is 74%.Rainfall
The month with the most rainfall in East Sumter, South Carolina, is December, when the rain falls for 11 days and typically aggregates up to 3.58" (91mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In East Sumter, South Carolina, in December, snow falls for 0.1 days, with typically accumulated 0.16" (4mm) of snow. Throughout the year, in East Sumter, South Carolina, there are 1.3 snowfall days, and 1.06" (27mm) of snow is accumulated.Daylight
The month with the shortest days in East Sumter, South Carolina, is December, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 7:08 am and sunset at 5:12 pm. On the last day of December, in East Sumter, sunrise is at 7:26 am and sunset at 5:22 pm EST.
Sunshine
December has the least sunshine of the year, with an average of 5.3h of sunshine.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 3 during December translates into these guidelines:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Frequently asked questions
What are the temperatures in East Sumter in December?
What is the average humidity in December in East Sumter?
What is the rainiest month in East Sumter?
How many days does it rain in December in East Sumter?
How much does it snow in East Sumter in December?
What is the month with the shortest days in East Sumter?
What is the average length of the day in December in East Sumter?
When is the sunrise / sunset in December in East Sumter?
What is the month with the least sunshine in East Sumter?
How long on average sun shines in December in East Sumter?
What are the months with the lowest UV index in East Sumter?
How high is the UV index in December in East Sumter?
Average temperature in December
East Sumter, SC
- Average high temperature in December: 56.3°F
The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is January (52.9°F).
- Average low temperature in December: 42.3°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 (38.1°F).
Average pressure in December
East Sumter, 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
East Sumter, SC
- Average wind speed in December: 7.5mph
The windiest months (with the highest average wind speed) are February and April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in December
East Sumter, SC
- Average humidity in December: 74%
The month with the highest relative humidity is May (76%).
The months with the lowest relative humidity are January and November (70%).
Average rainfall in December
East Sumter, SC
- Average rainfall in December: 3.58"
The wettest month (with the highest rainfall) is December (3.58").
The driest month (with the least rainfall) is January (1.89").
Average rainfall days in December
East Sumter, SC
- Average rainfall days in December: 11 days
The month with the highest number of rainy days is July (20.1 days).
The month with the least rainy days is October (8.5 days).
Average snowfall in December
East Sumter, SC
- Average snowfall in December: 0.16"
The month with the highest snowfall is February (0.55").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
East Sumter, SC
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is February (0.6 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
East Sumter, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in December
East Sumter, SC
- Average sunshine days in December: 18.8 days
The month with the most sunshine days is October (20.8 days).
The month with the least sunshine days is July (8.8 days).
Average UV index in December
East Sumter, 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, February and December (UV index 3).
Average cloud cover in December
East Sumter, SC
- Average cloud cover in December: 42
The months with the most cloud cover are February and December (Cloud cover 42).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in December
East Sumter, 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).
East Sumter, South Carolina, USA
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