December weather forecastTrenton, SC
December
Weather in December
The first month of the winter, December, is still a mild month in Trenton, South Carolina, with an average temperature fluctuating between 41.4°F (5.2°C) and 56.1°F (13.4°C).Temperature
Trenton's December weather shows a modest shift in high-temperatures, falling from November's comfortable 61.9°F (16.6°C) to a moderate 56.1°F (13.4°C). Trenton in December experiences a low-temperature average of 41.4°F (5.2°C).Humidity
December is the most humid month, with an average relative humidity of 76%.Rainfall
The month with the most rainfall is December, when the rain falls for 11.2 days and typically aggregates up to 3.03" (77mm) of precipitation.Snowfall
Months with snowfall are January through March and December. December is the first month it typically snows in Trenton. Throughout December, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, in Trenton, there are 1.2 snowfall days, and 1.02" (26mm) of snow is accumulated.Daylight
With an average of 10h and 0min of daylight, December has the shortest days of the year in Trenton.On the first day of the month, sunrise is at 7:14 am and sunset at 5:18 pm. On the last day of December, sunrise is at 7:31 am and sunset at 5:29 pm EST.
Sunshine
With an average of 5.4h of sunshine, December has the least sunshine of the year.UV index
The average daily maximum UV index in December is 3. 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: During December, 3 as the daily maximum UV index converts into the following advice:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Direct Sun exposure should be minimized especially during midday when radiation is most intense. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Trenton, SC
- Average high temperature in December: 56.1°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 (52.7°F).
- Average low temperature in December: 41.4°F
The month with the highest average low temperature is July (72.5°F).
The coldest month (with the lowest average low temperature) is January (36.9°F).
Average pressure in December
Trenton, 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 (29.98"Hg).
Average wind speed in December
Trenton, SC
- Average wind speed in December: 7.5mph
The windiest months (with the highest average wind speed) are February and April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
Trenton, SC
- Average humidity in December: 76%
The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is July (70%).
Average rainfall in December
Trenton, SC
- Average rainfall in December: 3.03"
The wettest month (with the highest rainfall) is December (3.03").
The driest month (with the least rainfall) is September (1.42").
Average rainfall days in December
Trenton, SC
- Average rainfall days in December: 11.2 days
The month with the highest number of rainy days is July (17.5 days).
The month with the least rainy days is November (7.8 days).
Average snowfall in December
Trenton, SC
- Average snowfall in December: 0.04"
The month with the highest snowfall is February (0.59").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Trenton, SC
- Average snowfall days in December: 0.1 days
The months with the highest number of snowfall days are January and February (0.4 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
Trenton, 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 24min
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 24min).
Average sunshine days in December
Trenton, SC
- Average sunshine days in December: 18.6 days
The month with the most sunshine days is October (21.8 days).
The month with the least sunshine days is July (11.2 days).
Average UV index in December
Trenton, SC
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in December
Trenton, SC
- Average cloud cover in December: 41
The month with the most cloud cover is December (Cloud cover 41).
The month with the least cloud cover is October (Cloud cover 27).
Average visibility in December
Trenton, 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).
