December weather forecastAshleyville, SC
December
Weather in December
The first month of the winter, December, is also an enjoyable month in Ashleyville, South Carolina, with an average temperature varying between 49.3°F (9.6°C) and 60.8°F (16°C).Temperature
The onset of December marks an average high-temperature of a still refreshing 60.8°F (16°C), hardly differing from November's 65.7°F (18.7°C). Ashleyville experiences a steady low-temperature of 49.3°F (9.6°C) throughout December.Humidity
December is the most humid month, with an average relative humidity of 78%.Rainfall
In Ashleyville, South Carolina, in December, it is raining for 11.1 days, with typically 4.25" (108mm) of accumulated precipitation. Throughout the year, there are 178.9 rainfall days, and 41.93" (1065mm) of precipitation is accumulated.Snowfall
Months with snowfall are January and December. December is the first month it typically snows in Ashleyville. Throughout December, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. In Ashleyville, during the entire year, snow falls for 0.6 days and aggregates up to 0.16" (4mm) 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 7:04 am and sunset at 5:13 pm. On the last day of December, sunrise is at 7:22 am and sunset at 5:24 pm EST.
Sunshine
December has the least sunshine of the year, with an average of 5.7h of sunshine.UV index
In Ashleyville, the average daily maximum UV index in December is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The average daily UV index of 4 in December transforms into the following instructions:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Ashleyville, SC
- Average high temperature in December: 60.8°F
The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (57°F).
- Average low temperature in December: 49.3°F
The month with the highest average low temperature is July (77.4°F).
The coldest month (with the lowest average low temperature) is January (44.4°F).
Average pressure in December
Ashleyville, SC
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Ashleyville, SC
- Average wind speed in December: 8.7mph
The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest month (with the lowest average wind speed) is August (7.5mph).
Average humidity in December
Ashleyville, SC
- Average humidity in December: 78%
The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are January and March (73%).
Average rainfall in December
Ashleyville, SC
- Average rainfall in December: 4.25"
The wettest month (with the highest rainfall) is August (7.13").
The driest month (with the least rainfall) is January (1.42").
Average rainfall days in December
Ashleyville, SC
- Average rainfall days in December: 11.1 days
The month with the highest number of rainy days is August (24.8 days).
The month with the least rainy days is November (8.7 days).
Average snowfall in December
Ashleyville, SC
- Average snowfall in December: 0.04"
The month with the highest snowfall is January (0.12").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Ashleyville, SC
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is January (0.4 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
Ashleyville, 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 42min
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 42min).
Average sunshine days in December
Ashleyville, SC
- Average sunshine days in December: 17.8 days
The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is August (3.8 days).
Average UV index in December
Ashleyville, SC
- Average UV index in December: 4
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover in December
Ashleyville, SC
- Average cloud cover in December: 39
The months with the most cloud cover are February and December (Cloud cover 39).
The months with the least cloud cover are June and July (Cloud cover 26).
Average visibility in December
Ashleyville, 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).
