December weather forecastSunnyside Acres, SC
December
Weather in December
December, the first month of the winter in Sunnyside Acres, is still a cool month, with an average temperature ranging between min 38.5°F (3.6°C) and max 52.9°F (11.6°C).Temperature
The transition into December involves a small decrease in the average high-temperature, dipping slightly from a moderate 60.1°F (15.6°C) in November to a cool 52.9°F (11.6°C). Sunnyside Acres records an average low of 38.5°F (3.6°C) throughout the nights in December.Humidity
December is the most humid month in Sunnyside Acres, South Carolina, with an average relative humidity of 77%.Rainfall
In Sunnyside Acres, during December, the rain falls for 10.3 days and regularly aggregates up to 1.46" (37mm) of precipitation. In Sunnyside Acres, South Carolina, during the entire year, the rain falls for 140.2 days and collects up to 16.61" (422mm) of precipitation.Snowfall
January through March and December are months with snowfall. The month with the most snowfall in Sunnyside Acres is December, when snow falls for 0.6 days and typically aggregates up to 0.31" (8mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 54min of daylight.On the first day of December in Sunnyside Acres, sunrise is at 7:19 am and sunset at 5:20 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 5:30 pm EST.
Sunshine
December has the least sunshine of the year, with an average of 5.4h of sunshine.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index in Sunnyside Acres, South Carolina. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In December, the maximum UV index of 2 suggests this advice:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sunnyside Acres, SC
- Average high temperature in December: 52.9°F
The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (49.6°F).
- Average low temperature in December: 38.5°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (33.8°F).
Average pressure in December
Sunnyside Acres, SC
- Average pressure in December: 30.14"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in December
Sunnyside Acres, SC
- Average wind speed in December: 5.8mph
The windiest months (with the highest average wind speed) are February and April (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in December
Sunnyside Acres, SC
- Average humidity in December: 77%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (70%).
Average rainfall in December
Sunnyside Acres, SC
- Average rainfall in December: 1.46"
The wettest month (with the highest rainfall) is August (2.01").
The driest month (with the least rainfall) is September (0.71").
Average rainfall days in December
Sunnyside Acres, SC
- Average rainfall days in December: 10.3 days
The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is October (6.5 days).
Average snowfall in December
Sunnyside Acres, SC
- Average snowfall in December: 0.31"
The month with the highest snowfall is December (0.31").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Sunnyside Acres, SC
- Average snowfall days in December: 0.6 days
The months with the highest number of snowfall days are January and February (0.8 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
Sunnyside Acres, SC
- Average daylight in December: 9h and 54min
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 24min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in December
Sunnyside Acres, SC
- Average sunshine days in December: 18.2 days
The month with the most sunshine days is October (22.3 days).
The month with the least sunshine days is July (11.5 days).
Average UV index in December
Sunnyside Acres, SC
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Sunnyside Acres, SC
- Average cloud cover in December: 41
The month with the most cloud cover is February (Cloud cover 42).
The months with the least cloud cover are June and July (Cloud cover 27).
Average visibility in December
Sunnyside Acres, 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).
