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
Seneca's progression into December involves a minor drop in the average high-temperature, slightly receding from a moderate 59.9°F (15.5°C) in November to a fresh 52.7°F (11.5°C). Seneca in December experiences a low-temperature average of 38.3°F (3.5°C).Humidity
With an average relative humidity of 77%, December is the most humid month.Rainfall
December is the month with the most rainfall. Rain falls for 11.8 days and accumulates 4.21" (107mm) of precipitation.Snowfall
January through March, November and December are months with snowfall in Seneca, South Carolina. December is the month with the most snowfall. Snow falls for 0.7 days and accumulates 2.05" (52mm) 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 Seneca, sunrise is at 7:21 am and sunset at 5:20 pm. On the last day of the month, sunrise is at 7:38 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 in Seneca.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index in Seneca. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: A maximum UV index of 2 in December translates into the following recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. To protect against the Sun's most potent rays, avoid direct exposure around midday. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Frequently asked questions
What is the average December temperature in Seneca?
What is the most humid month in Seneca?
What is the average humidity in December in Seneca?
What is the wettest month in Seneca?
How many days does it rain in December in Seneca?
When does it snow the most in Seneca?
How many days does it snow in December in Seneca?
What is the month with the shortest days in Seneca?
What is the average length of the day in December in Seneca?
What time are sunrise and sunset in December in Seneca?
What is the month with the least sunshine in Seneca?
How many hours of sunshine does Seneca have in December?
What are the months with the lowest UV index in Seneca?
What is the UV index reading in December in Seneca?
Average temperature in December
Seneca, SC
- Average high temperature in December: 52.7°F
The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (49.6°F).
- Average low temperature in December: 38.3°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).
Average pressure in December
Seneca, 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
Seneca, SC
- Average wind speed in December: 5.6mph
The windiest month (with the highest average wind speed) is February (6.3mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in December
Seneca, 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
Seneca, SC
- Average rainfall in December: 4.21"
The wettest month (with the highest rainfall) is December (4.21").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in December
Seneca, SC
- Average rainfall days in December: 11.8 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is October (9.5 days).
Average snowfall in December
Seneca, SC
- Average snowfall in December: 2.05"
The month with the highest snowfall is December (2.05").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Seneca, SC
- Average snowfall days in December: 0.7 days
The month with the highest number of snowfall days is January (1.4 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
Seneca, SC
- Average daylight in December: 9h and 5min
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 2min
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
Seneca, SC
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (10.5 days).
Average UV index in December
Seneca, 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
Seneca, SC
- Average cloud cover in December: 41
The months with the most cloud cover are February and December (Cloud cover 41).
The months with the least cloud cover are June and July (Cloud cover 27).
Average visibility in December
Seneca, 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).
Seneca, South Carolina, USA
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