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
Transitioning from November to December involves a subtle drop in average high-temperatures, descending from a refreshing 59.5°F (15.3°C) to a fresh 52.5°F (11.4°C). Terry Creek records an average temperature drop to an icy 37°F (2.8°C) in December.Humidity
With an average relative humidity of 76%, December is the most humid month.Rainfall
The month with the most rainfall is December, when the rain falls for 9.2 days and typically aggregates up to 3.15" (80mm) of precipitation.Snowfall
January through March, November 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 2.09" (53mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 48min of daylight.On the first day of the month, sunrise is at 7:20 am and sunset at 5:17 pm. On the last day of December, sunrise is at 7:37 am and sunset at 5:28 pm EST.
Sunshine
With an average of 5.4h of sunshine, December has the least sunshine of the year.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.Note: The UV index of 2 during December leads to these advisories:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in December?
What is the most humid month?
What is the average humidity in December?
What is the wettest month?
How many days does it rain in December?
What is the snowiest month?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Terry Creek have in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Terry Creek have in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Terry Creek, SC
- Average high temperature in December: 52.5°F
The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (48.7°F).
- Average low temperature in December: 37°F
The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (32.5°F).
Average pressure in December
Terry Creek, 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 (29.99"Hg).
Average wind speed in December
Terry Creek, SC
- Average wind speed in December: 5.5mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in December
Terry Creek, 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
Terry Creek, SC
- Average rainfall in December: 3.15"
The wettest month (with the highest rainfall) is December (3.15").
The driest month (with the least rainfall) is September (1.18").
Average rainfall days in December
Terry Creek, SC
- Average rainfall days in December: 9.2 days
The month with the highest number of rainy days is July (15.2 days).
The month with the least rainy days is October (7.6 days).
Average snowfall in December
Terry Creek, SC
- Average snowfall in December: 2.09"
The month with the highest snowfall is December (2.09").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Terry Creek, SC
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is February (1.3 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
Terry Creek, 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 48min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in December
Terry Creek, SC
- Average sunshine days in December: 20.1 days
The month with the most sunshine days is October (22.6 days).
The months with the least sunshine days are July and August (14.3 days).
Average UV index in December
Terry Creek, 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
Terry Creek, SC
- Average cloud cover in December: 41
The months with the most cloud cover are February, March and December (Cloud cover 41).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in December
Terry Creek, 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).
Terry Creek, South Carolina, USA
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