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
As December begins, there is a minor decrease in the average high-temperature, softly falling from a refreshing 61.7°F (16.5°C) in November to a cool 54.9°F (12.7°C). In December, Glymphville experiences a temperature dip to an average of 39.7°F (4.3°C) at night.Humidity
December is the most humid month, with an average relative humidity of 77%.Rainfall
December is the month with the most rainfall. Rain falls for 11.2 days and accumulates 3.23" (82mm) of precipitation.Snowfall
January through March and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 2.3 snowfall days, and 1.69" (43mm) of snow is accumulated.Daylight
The month with the shortest days in Glymphville, South Carolina, is December, with an average of 9h and 54min of daylight.On the first day of December, sunrise is at 7:14 am and sunset at 5:15 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 5:26 pm EST.
Sunshine
The month with the least sunshine is December, with an average of 5.3h of sunshine.UV index
In Glymphville, South Carolina, the average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: A typical high UV index of 3 in December suggests the following recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What is the most humid month?
What is the average humidity in December?
What is the rainiest month?
How much does it rain in December?
When does it start snowing?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Glymphville have in December?
What is the UV index reading in December?
Average temperature in December
Glymphville, SC
- Average high temperature in December: 54.9°F
The warmest month (with the highest average high temperature) is July (92.1°F).
The month with the lowest average high temperature is January (51.4°F).
- Average low temperature in December: 39.7°F
The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is January (35.1°F).
Average pressure in December
Glymphville, 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
Glymphville, SC
- Average wind speed in December: 6.6mph
The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in December
Glymphville, 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
Glymphville, SC
- Average rainfall in December: 3.23"
The wettest month (with the highest rainfall) is December (3.23").
The driest month (with the least rainfall) is September (1.42").
Average rainfall days in December
Glymphville, SC
- Average rainfall days in December: 11.2 days
The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is October (8.8 days).
Average snowfall in December
Glymphville, SC
- Average snowfall in December: 0.04"
The month with the highest snowfall is January (0.79").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Glymphville, SC
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is January (0.9 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
Glymphville, 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: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in December
Glymphville, SC
- Average sunshine days in December: 18.6 days
The month with the most sunshine days is October (21.5 days).
The month with the least sunshine days is July (12.6 days).
Average UV index in December
Glymphville, SC
- Average UV index in December: 3
The month with the highest UV index is June (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in December
Glymphville, SC
- Average cloud cover in December: 43
The months with the most cloud cover are February and December (Cloud cover 43).
The months with the least cloud cover are June, July and October (Cloud cover 30).
Average visibility in December
Glymphville, 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).
Glymphville, South Carolina, USA
Weather forecast for your location
2. Allow the app to use your location