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
Alcolu's December weather shows a modest shift in high-temperatures, falling from November's comfortable 63°F (17.2°C) to a moderate 57.4°F (14.1°C). During the month of December, Alcolu anticipates a mean low-temperature of 42.3°F (5.7°C).Humidity
The average relative humidity in December is 76%.Rainfall
The wettest months are August and December, with an average 3.23" (82mm) of rainfall.Snowfall
Months with snowfall are January, February and December. December is the first month it typically snows. Throughout December, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. In Alcolu, South Carolina, during the entire year, snow falls for 1.2 days and aggregates up to 0.47" (12mm) of snow.Daylight
December has the shortest days of the year, with an average of 10h and 0min 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, sunrise is at 7:25 am and sunset at 5:22 pm EST.
Sunshine
December has the least sunshine of the year in Alcolu, with an average of 5.6h of sunshine.UV index
January, February and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: In December, the average maximum UV index of 3 translates into the following recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the usual temperature for Alcolu in December?
What is the average humidity in December in Alcolu?
What is the rainiest month in Alcolu?
How much does it rain in Alcolu in December?
When does it start to snow in Alcolu?
What is the month with the shortest days in Alcolu?
How many hours of daylight does Alcolu have in December?
When is the sunrise / sunset in December in Alcolu?
What is the month with the least sunshine in Alcolu?
How long on average sun shines in December in Alcolu?
When is the lowest UV index in Alcolu?
How high is the UV index in December in Alcolu?
Average temperature in December
Alcolu, SC
- Average high temperature in December: 57.4°F
The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (53.6°F).
- Average low temperature in December: 42.3°F
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (38.1°F).
Average pressure in December
Alcolu, SC
- Average pressure in December: 30.13"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in December
Alcolu, SC
- Average wind speed in December: 6.8mph
The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in December
Alcolu, SC
- Average humidity in December: 76%
The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January and November (72%).
Average rainfall in December
Alcolu, SC
- Average rainfall in December: 3.23"
The wettest months (with the highest rainfall) are August and December (3.23").
The driest month (with the least rainfall) is January (1.65").
Average rainfall days in December
Alcolu, SC
- Average rainfall days in December: 10.7 days
The months with the highest number of rainy days are July and August (18.8 days).
The month with the least rainy days is November (8 days).
Average snowfall in December
Alcolu, SC
- Average snowfall in December: 0.04"
The month with the highest snowfall is February (0.24").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Alcolu, SC
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is January (0.6 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
Alcolu, SC
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
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
Alcolu, SC
- Average sunshine days in December: 18.8 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is July (9.2 days).
Average UV index in December
Alcolu, 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
Alcolu, SC
- Average cloud cover in December: 40
The months with the most cloud cover are February and December (Cloud cover 40).
The month with the least cloud cover is October (Cloud cover 27).
Average visibility in December
Alcolu, 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).
Alcolu, South Carolina, USA
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