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
December brings a slight decrease in temperature, down from a mild 60.6°F (15.9°C) in November to a cool 53.8°F (12.1°C). The temperature in Brook Hollow dips to an average of 38.5°F (3.6°C) during December nights.Humidity
With an average relative humidity of 77%, December is the most humid month.Rainfall
In Brook Hollow, in December, during 10.5 rainfall days, 1.69" (43mm) of precipitation is typically accumulated. Throughout the year, in Brook Hollow, there are 136.3 rainfall days, and 19.02" (483mm) of precipitation is accumulated.Snowfall
January through March and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.4 snowfall days, it receives 0.2" (5mm) of snow. In Brook Hollow, during the entire year, snow falls for 2.3 days and aggregates up to 0.79" (20mm) 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 Brook Hollow, sunrise is at 7:19 am and sunset at 5:20 pm. On the last day of the month, 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.UV index
The months with the lowest UV index in Brook Hollow are January and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In December, a regular UV index of 2 translates into these guidelines:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. The Sun's radiation is especially intense around midday; try to stay in shade during this period. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What are December temperatures in Brook Hollow?
What is the most humid month in Brook Hollow?
What is the average humidity in December in Brook Hollow?
How much does it rain in Brook Hollow in December?
When does it start snowing in Brook Hollow?
What is the month with the shortest days in Brook Hollow?
What is the average length of the day in December in Brook Hollow?
What time are sunrise and sunset in December in Brook Hollow?
What is the month with the least sunshine in Brook Hollow?
How long on average sun shines in December in Brook Hollow?
When is the lowest UV index in Brook Hollow?
How high is the UV index in December in Brook Hollow?
Average temperature in December
Brook Hollow, 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
Brook Hollow, 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
Brook Hollow, 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
Brook Hollow, 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
Brook Hollow, 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
Brook Hollow, 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
Brook Hollow, 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
Brook Hollow, 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
Brook Hollow, 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
Brook Hollow, 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
Brook Hollow, 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
Brook Hollow, 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
Brook Hollow, 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).
Brook Hollow, South Carolina, USA
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