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 witnesses a gentle descent in average high-temperature, descending from November's enjoyable 63.5°F (17.5°C) to a mild 57.7°F (14.3°C). In Barnwell, the nighttime temperature averages to a frosty 43.7°F (6.5°C) during December.Humidity
The most humid month in Barnwell, South Carolina, is December, with an average relative humidity of 76%.Rainfall
December is the month with the most rainfall. Rain falls for 10.8 days and accumulates 3.39" (86mm) of precipitation.Snowfall
Months with snowfall in Barnwell are January, February and December. December is the first month it typically snows. Throughout December, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 0.9 snowfall days, and 0.31" (8mm) of snow is accumulated.Daylight
The month with the shortest days in Barnwell is December, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 7:11 am and sunset at 5:18 pm. On the last day of December, sunrise is at 7:28 am and sunset at 5:28 pm EST.
Sunshine
With an average of 5.5h of sunshine, December has the least sunshine of the year in Barnwell.UV index
January 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 moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum daily UV index of 3 during December morphs into the following directions:
Guard yourself - An obligation to protect skin and eyes from harm exists. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Frequently asked questions
What is the temperature in December in Barnwell?
What is the most humid month in Barnwell?
What is the average humidity in December in Barnwell?
What is the wettest month in Barnwell?
How many days does it rain in December in Barnwell?
When does it start to snow in Barnwell?
What is the month with the shortest days in Barnwell?
How many hours of daylight does Barnwell have in December?
When is the sunrise / sunset in December in Barnwell?
What is the month with the least sunshine in Barnwell?
How many hours of sunshine does Barnwell have in December?
When is the lowest UV index in Barnwell?
What is the UV index reading in December in Barnwell?
Average temperature in December
Barnwell, SC
- Average high temperature in December: 57.7°F
The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (54.3°F).
- Average low temperature in December: 43.7°F
The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (39.4°F).
Average pressure in December
Barnwell, 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
Barnwell, SC
- Average wind speed in December: 7.2mph
The windiest months (with the highest average wind speed) are March and April (8.2mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in December
Barnwell, SC
- Average humidity in December: 76%
The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is January (70%).
Average rainfall in December
Barnwell, SC
- Average rainfall in December: 3.39"
The wettest month (with the highest rainfall) is December (3.39").
The driest month (with the least rainfall) is November (1.61").
Average rainfall days in December
Barnwell, SC
- Average rainfall days in December: 10.8 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is November (7.8 days).
Average snowfall in December
Barnwell, SC
- Average snowfall in December: 0.04"
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 and November (0").
Average snowfall days in December
Barnwell, SC
- Average snowfall days in December: 0.2 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 April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Barnwell, 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 3min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in December
Barnwell, SC
- Average sunshine days in December: 18.5 days
The month with the most sunshine days is October (20.1 days).
The month with the least sunshine days is July (9 days).
Average UV index in December
Barnwell, 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 and December (UV index 3).
Average cloud cover in December
Barnwell, SC
- Average cloud cover in December: 41
The months with the most cloud cover are February and December (Cloud cover 41).
The month with the least cloud cover is October (Cloud cover 28).
Average visibility in December
Barnwell, 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).
Barnwell, South Carolina, USA
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