December weather forecastPerry, SC
December
Weather in December
The first month of the winter, December, is still a refreshing month in Perry, South Carolina, with temperature in the range of an average high of 57.2°F (14°C) and an average low of 43.2°F (6.2°C).Temperature
Perry records a mild change in average high-temperature during December, easing from an enjoyable 63.3°F (17.4°C) in November to a moderate 57.2°F (14°C). In the month of December, the temperature generally rests at an average low of 43.2°F (6.2°C).Humidity
With an average relative humidity of 75%, December is the most humid month.Rainfall
December is the month with the most rainfall in Perry. Rain falls for 11.1 days and accumulates 3.35" (85mm) of precipitation.Snowfall
January, February and December are months with snowfall in Perry. December is the first month it typically snows. Throughout December, in the average 0.2 snowfall days, it receives 0.12" (3mm) of snow. In Perry, during the entire year, snow falls for 1.2 days and aggregates up to 0.67" (17mm) 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 December, sunrise is at 7:12 am and sunset at 5:16 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 5:27 pm EST.
Sunshine
With an average of 5.4h of sunshine, December has the least sunshine of the year.UV index
The months with the lowest UV index in Perry are January and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The daily maximum UV index of 3 in December interprets into the following advice:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Always opt for UVA and UVB-resistant sunglasses on radiant days. 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
Perry, SC
- Average high temperature in December: 57.2°F
The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (54°F).
- Average low temperature in December: 43.2°F
The month with the highest average low temperature is July (73.4°F).
The coldest month (with the lowest average low temperature) is January (38.8°F).
Average pressure in December
Perry, 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 (29.97"Hg).
Average wind speed in December
Perry, SC
- Average wind speed in December: 7.6mph
The windiest months (with the highest average wind speed) are February, March and April (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in December
Perry, SC
- Average humidity in December: 75%
The month with the highest relative humidity is December (75%).
The months with the lowest relative humidity are January and November (70%).
Average rainfall in December
Perry, SC
- Average rainfall in December: 3.35"
The wettest month (with the highest rainfall) is December (3.35").
The driest month (with the least rainfall) is November (1.77").
Average rainfall days in December
Perry, SC
- Average rainfall days in December: 11.1 days
The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is November (8.2 days).
Average snowfall in December
Perry, SC
- Average snowfall in December: 0.12"
The month with the highest snowfall is January (0.31").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Perry, SC
- Average snowfall days in December: 0.2 days
The month with the highest number of snowfall days is January (0.6 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
Perry, 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 month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in December
Perry, SC
- Average sunshine days in December: 18.1 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (9.4 days).
Average UV index in December
Perry, 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
Perry, SC
- Average cloud cover in December: 42
The month with the most cloud cover is December (Cloud cover 42).
The month with the least cloud cover is October (Cloud cover 28).
Average visibility in December
Perry, 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).
