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 62.6°F (17°C) in November to a still refreshing 56.7°F (13.7°C). In the month of December, an average of 41.9°F (5.5°C) marks the low-temperature.Humidity
December is the most humid month, with an average relative humidity of 75%.Rainfall
In South Congaree, during December, the rain falls for 10 days and regularly aggregates up to 2.05" (52mm) of precipitation. Throughout the year, there are 130.3 rainfall days, and 20.55" (522mm) of precipitation is accumulated.Snowfall
March through December are months without snowfall.Daylight
The month with the shortest days is December, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 7:12 am and sunset at 5:15 pm. On the last day of December, sunrise is at 7:29 am and sunset at 5:26 pm EST.
Sunshine
December has the least sunshine of the year, with an average of 5.4h of sunshine.UV index
January, February and December, with an average maximum UV index of 3, are months with the lowest UV index in South Congaree. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In December, an average UV index of 3 transforms into the following instructions:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in December?
What is the most humid month?
What is the average humidity in December?
How much does it rain in December?
When it does not snow?
Does it snow in December?
What is the month with the shortest days?
How many hours of daylight does South Congaree have in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does South Congaree have in December?
What is the month with the lowest UV index in South Congaree?
How high is the UV index in December?
Average temperature in December
South Congaree, SC
- Average high temperature in December: 56.7°F
The warmest month (with the highest average high temperature) is July (91.4°F).
The month with the lowest average high temperature is January (52.9°F).
- Average low temperature in December: 41.9°F
The month with the highest average low temperature is July (73.4°F).
The coldest month (with the lowest average low temperature) is January (37.8°F).
Average pressure in December
South Congaree, 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
South Congaree, 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 (5.5mph).
Average humidity in December
South Congaree, SC
- Average humidity in December: 75%
The month with the highest relative humidity is December (75%).
The month with the lowest relative humidity is July (69%).
Average rainfall in December
South Congaree, SC
- Average rainfall in December: 2.05"
The wettest month (with the highest rainfall) is August (2.17").
The driest month (with the least rainfall) is September (0.98").
Average rainfall days in December
South Congaree, SC
- Average rainfall days in December: 10 days
The month with the highest number of rainy days is July (14.6 days).
The month with the least rainy days is October (6.6 days).
Average snowfall in December
South Congaree, SC
- Average snowfall in December: 0"
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, November and December (0").
Average snowfall days in December
South Congaree, SC
- Average snowfall days in December: 0 days
The months with the highest number of snowfall days are January and February (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
South Congaree, 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 54min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in December
South Congaree, SC
- Average sunshine days in December: 19.8 days
The month with the most sunshine days is October (23 days).
The month with the least sunshine days is July (13.9 days).
Average UV index in December
South Congaree, SC
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in December
South Congaree, SC
- Average cloud cover in December: 41
The months with the most cloud cover are February and December (Cloud cover 41).
The months with the least cloud cover are June and October (Cloud cover 28).
Average visibility in December
South Congaree, 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).
South Congaree, South Carolina, USA
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