December weather forecastPlainview Heights, SC
December
Weather in December
The first month of the winter, December, is also a fresh month in Plainview Heights, South Carolina, with an average temperature fluctuating between 52.5°F (11.4°C) and 38.1°F (3.4°C).Temperature
The beginning of December subtly marks a decrease in the average high-temperature, transitioning from a moderate 59.7°F (15.4°C) in November to a fresh 52.5°F (11.4°C). During December, Plainview Heights consistently records a temperature low averaging a wintry 38.1°F (3.4°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 10.5 days and typically aggregates up to 3.39" (86mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. December is the month with the most snowfall. Snow falls for 0.5 days and accumulates 1.81" (46mm) of snow.Daylight
The month with the shortest days in Plainview Heights is December, with an average of 9h and 54min of daylight.On the first day of December in Plainview Heights, South Carolina, sunrise is at 7:19 am and sunset at 5:18 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 5:29 pm EST.
Sunshine
The month with the least sunshine is December, with an average of 5.5h of sunshine.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index in Plainview Heights. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 2 suggests this advice:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Plainview Heights, SC
- Average high temperature in December: 52.5°F
The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (49.3°F).
- Average low temperature in December: 38.1°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (33.1°F).
Average pressure in December
Plainview Heights, 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
Plainview Heights, SC
- Average wind speed in December: 5.7mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in December
Plainview Heights, 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 (69%).
Average rainfall in December
Plainview Heights, 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 September (1.38").
Average rainfall days in December
Plainview Heights, SC
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is July (15.5 days).
The month with the least rainy days is October (8.5 days).
Average snowfall in December
Plainview Heights, SC
- Average snowfall in December: 1.81"
The month with the highest snowfall is December (1.81").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Plainview Heights, SC
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is February (1.3 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
Plainview Heights, SC
- Average daylight in December: 9h and 54min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 5h and 30min
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
Plainview Heights, SC
- Average sunshine days in December: 19.3 days
The month with the most sunshine days is October (21.7 days).
The month with the least sunshine days is August (13.2 days).
Average UV index in December
Plainview Heights, 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
Plainview Heights, SC
- Average cloud cover in December: 40
The month with the most cloud cover is February (Cloud cover 41).
The months with the least cloud cover are June and July (Cloud cover 27).
Average visibility in December
Plainview Heights, 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).





