Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
Salem's December weather shows a modest shift in high-temperatures, falling from November's refreshing 55.9°F (13.3°C) to a frosty 49.1°F (9.5°C). Throughout December, an average low-temperature of 34.2°F (1.2°C) is experienced.Humidity
December is the most humid month, with an average relative humidity of 79%.Rainfall
The wettest months in Salem are April and December, with an average 4.96" (126mm) of rainfall.Snowfall
January through April, October through December are months with snowfall. The month with the most snowfall is December, when snow falls for 4.3 days and typically aggregates up to 6.5" (165mm) of snow.Daylight
The month with the shortest days in Salem, South Carolina, is December, with an average of 9h and 54min of daylight.On the first day of December in Salem, sunrise is at 7:21 am and sunset at 5:20 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 5:31 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 are January, February and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 2 during December translates into the following directions:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. When the Sun is at its strongest around midday, find shade and limit exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in Salem?
What is the most humid month in Salem?
What is the average humidity in December in Salem?
What is the wettest month in Salem?
How many days does it rain in December in Salem?
What is the snowiest month in Salem?
How many days does it snow in December in Salem?
What is the month with the shortest days in Salem?
What is the average length of the day in December in Salem?
When are sunrise and sunset in December in Salem?
What is the month with the least sunshine in Salem?
How many hours of sunshine does Salem have in December?
What is the month with the lowest UV index in Salem?
What is the UV index reading in December in Salem?
Average temperature in December
Salem, SC
- Average high temperature in December: 49.1°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (45°F).
- Average low temperature in December: 34.2°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).
Average pressure in December
Salem, 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
Salem, SC
- Average wind speed in December: 5.2mph
The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity in December
Salem, SC
- Average humidity in December: 79%
The month with the highest relative humidity is December (79%).
The months with the lowest relative humidity are January and November (75%).
Average rainfall in December
Salem, SC
- Average rainfall in December: 4.96"
The wettest months (with the highest rainfall) are April and December (4.96").
The driest month (with the least rainfall) is September (2.44").
Average rainfall days in December
Salem, SC
- Average rainfall days in December: 13 days
The month with the highest number of rainy days is June (20 days).
The month with the least rainy days is November (11.2 days).
Average snowfall in December
Salem, SC
- Average snowfall in December: 6.5"
The month with the highest snowfall is December (6.5").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Salem, SC
- Average snowfall days in December: 4.3 days
The month with the highest number of snowfall days is February (6.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Salem, SC
- Average daylight in December: 9h and 5min
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 2min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in December
Salem, SC
- Average sunshine days in December: 14.3 days
The month with the most sunshine days is October (17 days).
The month with the least sunshine days is June (7.5 days).
Average UV index in December
Salem, SC
- Average UV index in December: 2
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in December
Salem, SC
- Average cloud cover in December: 44
The months with the most cloud cover are February, March and December (Cloud cover 44).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in December
Salem, SC
- Average visibility in December: 5mi
The months with the highest visibility are June, July and November (6mi).
The months with the lowest visibility are January, February, March, April, May, August, September, October and December (5mi).
Salem, South Carolina, USA
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