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
In December, the meteorological conditions change slightly, with the average high-temperature moving from a refreshing 66.2°F (19°C) in November to a moderate 60.6°F (15.9°C). Highland Park experiences a mean low-temperature of 45.9°F (7.7°C) during December.Humidity
December is the most humid month in Highland Park, with an average relative humidity of 77%.Rainfall
In Highland Park, in December, during 10.8 rainfall days, 4.17" (106mm) of precipitation is typically accumulated. In Highland Park, during the entire year, the rain falls for 172.6 days and collects up to 39.13" (994mm) of precipitation.Snowfall
Months with snowfall in Highland Park, South Carolina, are January, February and December. December is the first month it typically snows. Throughout December, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow. In Highland Park, during the entire year, snow falls for 0.9 days and aggregates up to 0.39" (10mm) of snow.Daylight
With an average of 10h and 0min of daylight, December has the shortest days of the year in Highland Park.On the first day of the month, sunrise is at 7:05 am and sunset at 5:13 pm. On the last day of December, sunrise is at 7:22 am and sunset at 5:24 pm EST.
Sunshine
December has the least sunshine of the year in Highland Park, with an average of 5.6h of sunshine.UV index
The average daily maximum UV index in December in Highland Park is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In December, a daily UV index of 4 turns into the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Avoiding the Sun during its peak radiation time around midday is a healthy practice. To cut down UV radiation exposure by about half, sport a wide-brim hat. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Frequently asked questions
What is the temperature in December in Highland Park?
What is the most humid month in Highland Park?
What is the average humidity in December in Highland Park?
How much does it rain in Highland Park in December?
When does it start to snow in Highland Park?
What is the month with the shortest days in Highland Park?
How many hours of daylight does Highland Park have in December?
When is the sunrise / sunset in December in Highland Park?
What is the month with the least sunshine in Highland Park?
How long on average sun shines in December in Highland Park?
How high is the UV index in December in Highland Park?
Average temperature in December
Highland Park, SC
- Average high temperature in December: 60.6°F
The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (56.8°F).
- Average low temperature in December: 45.9°F
The month with the highest average low temperature is July (75.7°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).
Average pressure in December
Highland Park, SC
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).
Average wind speed in December
Highland Park, SC
- Average wind speed in December: 6.9mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in December
Highland Park, SC
- Average humidity in December: 77%
The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are January and March (72%).
Average rainfall in December
Highland Park, SC
- Average rainfall in December: 4.17"
The wettest month (with the highest rainfall) is August (6.22").
The driest month (with the least rainfall) is January (1.46").
Average rainfall days in December
Highland Park, SC
- Average rainfall days in December: 10.8 days
The month with the highest number of rainy days is August (23.4 days).
The month with the least rainy days is November (8.2 days).
Average snowfall in December
Highland Park, SC
- Average snowfall in December: 0.04"
The month with the highest snowfall is February (0.28").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Highland Park, SC
- Average snowfall days in December: 0.2 days
The months with the highest number of snowfall days are January and February (0.3 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
Highland Park, SC
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 5h and 4min
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 36min).
Average sunshine days in December
Highland Park, SC
- Average sunshine days in December: 19.1 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is August (5.8 days).
Average UV index in December
Highland Park, SC
- Average UV index in December: 4
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover in December
Highland Park, SC
- Average cloud cover in December: 41
The month with the most cloud cover is December (Cloud cover 41).
The months with the least cloud cover are June and July (Cloud cover 27).
Average visibility in December
Highland Park, 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).
Highland Park, South Carolina, USA
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