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
Transition into December subtly marks a drop in the average high-temperature, moderately moving from a moderate 60.4°F (15.8°C) in November to a fresh 53.8°F (12.1°C). Throughout December, the nighttime temperature in Vermillion averages to a cold 38.8°F (3.8°C).Humidity
The most humid month in Vermillion is December, with an average relative humidity of 77%.Rainfall
The month with the most rainfall in Vermillion, South Carolina, is December, when the rain falls for 11.9 days and typically aggregates up to 4.09" (104mm) of precipitation.Snowfall
Months with snowfall in Vermillion are January through March, November and December. The month with the most snowfall in Vermillion, South Carolina, is December, when snow falls for 0.5 days and typically aggregates up to 1.14" (29mm) of snow.Daylight
The month with the shortest days in Vermillion is December, with an average of 9h and 54min of daylight.On the first day of December in Vermillion, South Carolina, sunrise is at 7:18 am and sunset at 5:19 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 5:29 pm EST.
Sunshine
With an average of 5.2h of sunshine, December has the least sunshine of the year in Vermillion.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index in Vermillion. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.Note: In December, the maximum UV index of 2 suggests these recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Frequently asked questions
What are December temperatures in Vermillion?
What is the most humid month in Vermillion?
What is the average humidity in December in Vermillion?
What is the rainiest month in Vermillion?
How many days does it rain in December in Vermillion?
When does it snow the most in Vermillion?
How much does it snow in Vermillion in December?
What is the month with the shortest days in Vermillion?
What is the average length of the day in December in Vermillion?
When is the sunrise / sunset in December in Vermillion?
What is the month with the least sunshine in Vermillion?
How long on average sun shines in December in Vermillion?
What is the month with the lowest UV index in Vermillion?
What is the UV index reading in December in Vermillion?
Average temperature in December
Vermillion, SC
- Average high temperature in December: 53.8°F
The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is January (50.5°F).
- Average low temperature in December: 38.8°F
The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (34.5°F).
Average pressure in December
Vermillion, SC
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Vermillion, SC
- Average wind speed in December: 6.7mph
The windiest month (with the highest average wind speed) is February (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in December
Vermillion, SC
- Average humidity in December: 77%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (70%).
Average rainfall in December
Vermillion, SC
- Average rainfall in December: 4.09"
The wettest month (with the highest rainfall) is December (4.09").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in December
Vermillion, SC
- Average rainfall days in December: 11.9 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is October (8.8 days).
Average snowfall in December
Vermillion, SC
- Average snowfall in December: 1.14"
The month with the highest snowfall is December (1.14").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Vermillion, SC
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is January (1.3 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
Vermillion, 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 1min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in December
Vermillion, SC
- Average sunshine days in December: 17.6 days
The month with the most sunshine days is October (21.5 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in December
Vermillion, SC
- Average UV index in December: 2
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Vermillion, SC
- Average cloud cover in December: 45
The month with the most cloud cover is December (Cloud cover 45).
The months with the least cloud cover are June and July (Cloud cover 30).
Average visibility in December
Vermillion, SC
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Vermillion, South Carolina, USA
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