December weather forecastQuarantine, SC
December
Weather in December
The first month of the winter, December, is also a moderate month in Quarantine, South Carolina, with an average temperature fluctuating between 59.5°F (15.3°C) and 46.8°F (8.2°C).Temperature
December's arrival brings an average high-temperature of a moderate 59.5°F (15.3°C), demonstrating subtle variation from the preceding month. The mean low-temperature during December nights is a frosty 46.8°F (8.2°C).Humidity
December is the most humid month in Quarantine, with an average relative humidity of 79%.Rainfall
In Quarantine, in December, during 10.7 rainfall days, 4.21" (107mm) of precipitation is typically accumulated. Throughout the year, in Quarantine, South Carolina, there are 182.2 rainfall days, and 43.39" (1102mm) of precipitation is accumulated.Snowfall
In Quarantine, snow does not fall in March through December.Daylight
The month with the shortest days in Quarantine is December, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 7:02 am and sunset at 5:09 pm. On the last day of December, in Quarantine, sunrise is at 7:20 am and sunset at 5:20 pm EST.
Sunshine
December has the least sunshine of the year in Quarantine, with an average of 5.6h of sunshine.UV index
In Quarantine, South Carolina, the average daily maximum UV index in December is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 4 in December translates into these instructions:
Be vigilant - Suggestions to stave off sun damage are provided. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Quarantine, SC
- Average high temperature in December: 59.5°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (55.2°F).
- Average low temperature in December: 46.8°F
The month with the highest average low temperature is July (76.1°F).
The coldest month (with the lowest average low temperature) is January (41.9°F).
Average pressure in December
Quarantine, SC
- Average pressure in December: 30.13"Hg
The months with the highest atmospheric pressure are January and December (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in December
Quarantine, SC
- Average wind speed in December: 8.2mph
The windiest month (with the highest average wind speed) is April (9mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in December
Quarantine, SC
- Average humidity in December: 79%
The month with the highest relative humidity is December (79%).
The months with the lowest relative humidity are January, March and November (75%).
Average rainfall in December
Quarantine, SC
- Average rainfall in December: 4.21"
The wettest month (with the highest rainfall) is August (7.28").
The driest month (with the least rainfall) is January (1.34").
Average rainfall days in December
Quarantine, SC
- Average rainfall days in December: 10.7 days
The month with the highest number of rainy days is July (25 days).
The month with the least rainy days is November (9.3 days).
Average snowfall in December
Quarantine, SC
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.2").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Quarantine, SC
- Average snowfall days in December: 0.2 days
The month with the highest number of snowfall days is February (0.3 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
Quarantine, SC
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 5h and 36min
The months with the most sunshine are June and July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in December
Quarantine, SC
- Average sunshine days in December: 19.1 days
The month with the most sunshine days is January (19.2 days).
The month with the least sunshine days is July (3.9 days).
Average UV index in December
Quarantine, SC
- Average UV index in December: 4
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 3).
Average cloud cover in December
Quarantine, 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 June (Cloud cover 25).
Average visibility in December
Quarantine, 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).
