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 onset of December is marked by a minor decrease in temperature, transitioning from a moderate 60.1°F (15.6°C) in November to a fresh 52.9°F (11.6°C). Harpers Ridge throughout December, records an average low-temperature of 38.5°F (3.6°C).Humidity
The most humid month is December, with an average relative humidity of 77%.Rainfall
In Harpers Ridge, in December, during 10.3 rainfall days, 1.46" (37mm) of precipitation is typically accumulated. Throughout the year, there are 140.2 rainfall days, and 16.61" (422mm) of precipitation is accumulated.Snowfall
Months with snowfall in Harpers Ridge are January through March and December. The month with the most snowfall in Harpers Ridge is December, when snow falls for 0.6 days and typically aggregates up to 0.31" (8mm) of snow.Daylight
With an average of 9h and 54min of daylight, December has the shortest days of the year in Harpers Ridge.On the first day of December in Harpers Ridge, 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 5.4h of sunshine, December has the least sunshine of the year.UV index
The months with the lowest UV index in Harpers Ridge are January and December, with an average maximum UV index of 2. 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:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Frequently asked questions
What is the average December temperature in Harpers Ridge?
What is the most humid month in Harpers Ridge?
What is the average humidity in December in Harpers Ridge?
How much does it rain in Harpers Ridge in December?
When does it snow the most in Harpers Ridge?
When does it start to snow in Harpers Ridge?
What is the month with the shortest days in Harpers Ridge?
How many hours of daylight does Harpers Ridge have in December?
When are sunrise and sunset in December in Harpers Ridge?
What is the month with the least sunshine in Harpers Ridge?
How long on average sun shines in December in Harpers Ridge?
What is the month with the lowest UV index in Harpers Ridge?
What is the UV index intensity in December in Harpers Ridge?
Average temperature in December
Harpers Ridge, SC
- Average high temperature in December: 52.9°F
The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (49.6°F).
- Average low temperature in December: 38.5°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (33.8°F).
Average pressure in December
Harpers Ridge, 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
Harpers Ridge, SC
- Average wind speed in December: 5.8mph
The windiest months (with the highest average wind speed) are February and April (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in December
Harpers Ridge, 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
Harpers Ridge, SC
- Average rainfall in December: 1.46"
The wettest month (with the highest rainfall) is August (2.01").
The driest month (with the least rainfall) is September (0.71").
Average rainfall days in December
Harpers Ridge, SC
- Average rainfall days in December: 10.3 days
The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is October (6.5 days).
Average snowfall in December
Harpers Ridge, SC
- Average snowfall in December: 0.31"
The month with the highest snowfall is December (0.31").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Harpers Ridge, SC
- Average snowfall days in December: 0.6 days
The months with the highest number of snowfall days are January and February (0.8 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
Harpers Ridge, 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: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in December
Harpers Ridge, SC
- Average sunshine days in December: 18.2 days
The month with the most sunshine days is October (22.3 days).
The month with the least sunshine days is July (11.5 days).
Average UV index in December
Harpers Ridge, 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
Harpers Ridge, SC
- Average cloud cover in December: 41
The month with the most cloud cover is February (Cloud cover 42).
The months with the least cloud cover are June and July (Cloud cover 27).
Average visibility in December
Harpers Ridge, 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).
Harpers Ridge, South Carolina, USA
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