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 transition to December results in a modest reduction in average high-temperature, moving from a mild 60.6°F (15.9°C) in November to a fresh 53.8°F (12.1°C). Colonial Hills experiences an average nighttime temperature of 38.5°F (3.6°C) in the month of December.Humidity
The most humid month is December, with an average relative humidity of 77%.Rainfall
In Colonial Hills, in December, it is raining for 10.5 days, with typically 1.69" (43mm) of accumulated precipitation. In Colonial Hills, during the entire year, the rain falls for 136.3 days and collects up to 19.02" (483mm) of precipitation.Snowfall
Months with snowfall in Colonial Hills are January through March and December. December is the first month it typically snows in Colonial Hills. Throughout December, in the average 0.4 snowfall days, it receives 0.2" (5mm) of snow. Throughout the year, there are 2.3 snowfall days, and 0.79" (20mm) of snow is accumulated.Daylight
The month with the shortest days in Colonial Hills, South Carolina, is December, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 7:19 am and sunset at 5:20 pm. On the last day of December, sunrise is at 7:37 am and sunset at 5:30 pm EST.
Sunshine
With an average of 5.1h of sunshine, December has the least sunshine of the year in Colonial Hills.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index in Colonial Hills. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in Colonial Hills?
What is the most humid month in Colonial Hills?
What is the average humidity in December in Colonial Hills?
How many days does it rain in December in Colonial Hills?
When does it start snowing in Colonial Hills?
What is the month with the shortest days in Colonial Hills?
How many hours of daylight does Colonial Hills have in December?
When is the sunrise / sunset in December in Colonial Hills?
What is the month with the least sunshine in Colonial Hills?
How long on average sun shines in December in Colonial Hills?
What are the months with the lowest UV index in Colonial Hills?
What is the UV index reading in December in Colonial Hills?
Average temperature in December
Colonial Hills, SC
- Average high temperature in December: 53.8°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (50.2°F).
- Average low temperature in December: 38.5°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 (34.5°F).
Average pressure in December
Colonial Hills, 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
Colonial Hills, SC
- Average wind speed in December: 6.4mph
The windiest month (with the highest average wind speed) is February (7mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in December
Colonial Hills, 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 (69%).
Average rainfall in December
Colonial Hills, SC
- Average rainfall in December: 1.69"
The wettest month (with the highest rainfall) is August (2.28").
The driest month (with the least rainfall) is September (0.79").
Average rainfall days in December
Colonial Hills, SC
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is July (15.4 days).
The month with the least rainy days is October (7.2 days).
Average snowfall in December
Colonial Hills, SC
- Average snowfall in December: 0.2"
The month with the highest snowfall is February (0.31").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Colonial Hills, SC
- Average snowfall days in December: 0.4 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, October and November (0 days).
Average daylight in December /
Average sunshine in December
Colonial Hills, 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 1min
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 6min).
Average sunshine days in December
Colonial Hills, SC
- Average sunshine days in December: 18.4 days
The month with the most sunshine days is October (22.6 days).
The month with the least sunshine days is July (14.3 days).
Average UV index in December
Colonial Hills, 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
Colonial Hills, SC
- Average cloud cover in December: 44
The month with the most cloud cover is February (Cloud cover 45).
The months with the least cloud cover are June and July (Cloud cover 29).
Average visibility in December
Colonial Hills, SC
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Colonial Hills, South Carolina, USA
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