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
The start of December signals a gentle decrease in the average high-temperature, transitioning from a refreshing 60.1°F (15.6°C) in November to a fresh 52.9°F (11.6°C). Glenn Springs experiences an average low-temperature of 38.3°F (3.5°C) in the month of December.Humidity
December is the most humid month, with an average relative humidity of 76%.Rainfall
December is the month with the most rainfall. Rain falls for 10.3 days and accumulates 3.27" (83mm) of precipitation.Snowfall
January through March and December are months with snowfall. The month with the most snowfall is December, when snow falls for 0.5 days and typically aggregates up to 1.97" (50mm) 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 Glenn Springs, sunrise is at 7:17 am and sunset at 5:16 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 5:26 pm EST.
Sunshine
December has the least sunshine of the year, with an average of 5.3h of sunshine.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 2 during December translates into the following guidance:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. To protect against the Sun's most potent rays, avoid direct exposure around midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December?
What is the most humid month?
What is the average humidity in December?
What is the rainiest month?
How many days does it rain in December?
What is the snowiest month?
When does it start snowing?
What is the month with the shortest days?
How many hours of daylight does Glenn Springs have in December?
What time are sunrise and sunset in December in Glenn Springs?
What is the month with the least sunshine?
How long on average sun shines in December?
What are the months with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Glenn Springs, SC
- Average high temperature in December: 52.9°F
The warmest month (with the highest average high temperature) is July (91.6°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 (69.4°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).
Average pressure in December
Glenn Springs, SC
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Glenn Springs, SC
- Average wind speed in December: 6mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in December
Glenn Springs, 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 (68%).
Average rainfall in December
Glenn Springs, SC
- Average rainfall in December: 3.27"
The wettest month (with the highest rainfall) is December (3.27").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in December
Glenn Springs, SC
- Average rainfall days in December: 10.3 days
The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is November (8.5 days).
Average snowfall in December
Glenn Springs, SC
- Average snowfall in December: 1.97"
The month with the highest snowfall is December (1.97").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Glenn Springs, SC
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is February (1.6 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
Glenn Springs, 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 July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in December
Glenn Springs, SC
- Average sunshine days in December: 19.8 days
The month with the most sunshine days is October (21.5 days).
The month with the least sunshine days is July (11.9 days).
Average UV index in December
Glenn Springs, SC
- Average UV index in December: 2
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Glenn Springs, SC
- Average cloud cover in December: 42
The months with the most cloud cover are February and December (Cloud cover 42).
The months with the least cloud cover are June and July (Cloud cover 29).
Average visibility in December
Glenn Springs, 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).
Glenn Springs, South Carolina, USA
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