December weather forecastSaw Mill, SC
December
Weather in December
The first month of the winter, December, is still a refreshing month in Saw Mill, South Carolina, with an average temperature fluctuating between 59.4°F (15.2°C) and 45.5°F (7.5°C).Temperature
As November shifts into December, a minor alteration in temperatures is observed, with average highs reducing from an enjoyable 65.3°F (18.5°C) to a still refreshing 59.4°F (15.2°C). Saw Mill temperatures generally rest at a low of 45.5°F (7.5°C) during the December nights.Humidity
The months with the highest humidity are August and December, with an average relative humidity of 78%.Rainfall
In Saw Mill, in December, it is raining for 10.6 days, with typically 4.69" (119mm) of accumulated precipitation. Throughout the year, in Saw Mill, South Carolina, there are 179.5 rainfall days, and 40.79" (1036mm) of precipitation is accumulated.Snowfall
Months with snowfall are January, February and December. December is the first month it typically snows. Throughout December, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, in Saw Mill, there are 1 snowfall days, and 0.31" (8mm) of snow is accumulated.Daylight
With an average of 10h and 0min of daylight, December has the shortest days of the year in Saw Mill.On the first day of the month, sunrise is at 7:05 am and sunset at 5:12 pm. On the last day of December, in Saw Mill, sunrise is at 7:22 am and sunset at 5:23 pm EST.
Sunshine
December has the least sunshine of the year in Saw Mill, with an average of 5.7h of sunshine.UV index
The months with the lowest UV index in Saw Mill are January and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A daily high UV index of 3 in December leads to these guidelines:
Guard yourself - An obligation to protect skin and eyes from harm exists. To avoid the Sun's strongest rays, limit exposure around the mid-day period. 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. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Saw Mill, SC
- Average high temperature in December: 59.4°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (55.8°F).
- Average low temperature in December: 45.5°F
The month with the highest average low temperature is July (74.8°F).
The coldest month (with the lowest average low temperature) is January (40.8°F).
Average pressure in December
Saw Mill, 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 (29.97"Hg).
Average wind speed in December
Saw Mill, SC
- Average wind speed in December: 6.5mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in December
Saw Mill, SC
- Average humidity in December: 78%
The months with the highest relative humidity are August and December (78%).
The months with the lowest relative humidity are January and March (74%).
Average rainfall in December
Saw Mill, SC
- Average rainfall in December: 4.69"
The wettest month (with the highest rainfall) is August (6.46").
The driest month (with the least rainfall) is January (1.46").
Average rainfall days in December
Saw Mill, SC
- Average rainfall days in December: 10.6 days
The months with the highest number of rainy days are July and August (23.2 days).
The month with the least rainy days is November (8.9 days).
Average snowfall in December
Saw Mill, SC
- Average snowfall in December: 0.04"
The month with the highest snowfall is February (0.24").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Saw Mill, SC
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is January (0.5 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
Saw Mill, 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 6min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in December
Saw Mill, SC
- Average sunshine days in December: 18.4 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is July (5.5 days).
Average UV index in December
Saw Mill, 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
Saw Mill, SC
- Average cloud cover in December: 40
The months with the most cloud cover are February and December (Cloud cover 40).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in December
Saw Mill, 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).
