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 the transition to December, Mount Croghan observes a minor drop in the average high-temperature, shifting from a moderate 60.4°F (15.8°C) in November to a cool 54.3°F (12.4°C). In December, the nighttime temperature lowers to an average of 40.1°F (4.5°C).Humidity
The months with the highest humidity are May and December, with an average relative humidity of 75%.Rainfall
In Mount Croghan, in December, during 11.8 rainfall days, 3.43" (87mm) of precipitation is typically accumulated. Throughout the year, in Mount Croghan, there are 166.4 rainfall days, and 33.7" (856mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In December, it is snowing for 0.4 days. Throughout December, 0.35" (9mm) of snow is accumulated. Throughout the year, in Mount Croghan, there are 3.8 snowfall days, and 2.8" (71mm) of snow is accumulated.Daylight
With an average of 9h and 54min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:10 am and sunset at 5:09 pm. On the last day of December, in Mount Croghan, South Carolina, sunrise is at 7:28 am and sunset at 5:20 pm EST.
Sunshine
The month with the least sunshine in Mount Croghan is December, with an average of 5.5h of sunshine.UV index
In December, the average daily maximum UV index in Mount Croghan is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum high daily UV index of 3 during December translates into the following directions:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Frequently asked questions
What is the usual temperature for Mount Croghan in December?
What is the most humid month in Mount Croghan?
What is the average humidity in December in Mount Croghan?
How much does it rain in Mount Croghan in December?
How many days does it snow in December in Mount Croghan?
What is the month with the shortest days in Mount Croghan?
What is the average length of the day in December in Mount Croghan?
When is the sunrise / sunset in December in Mount Croghan?
What is the month with the least sunshine in Mount Croghan?
How many hours of sunshine does Mount Croghan have in December?
How high is the UV index in December in Mount Croghan?
Average temperature in December
Mount Croghan, SC
- Average high temperature in December: 54.3°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (50.2°F).
- Average low temperature in December: 40.1°F
The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (35.2°F).
Average pressure in December
Mount Croghan, 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 (29.97"Hg).
Average wind speed in December
Mount Croghan, SC
- Average wind speed in December: 6.9mph
The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in December
Mount Croghan, SC
- Average humidity in December: 75%
The months with the highest relative humidity are May and December (75%).
The months with the lowest relative humidity are January, March, July and November (71%).
Average rainfall in December
Mount Croghan, SC
- Average rainfall in December: 3.43"
The wettest month (with the highest rainfall) is August (3.54").
The driest month (with the least rainfall) is October (2.17").
Average rainfall days in December
Mount Croghan, SC
- Average rainfall days in December: 11.8 days
The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is October (9.5 days).
Average snowfall in December
Mount Croghan, SC
- Average snowfall in December: 0.35"
The month with the highest snowfall is February (1.34").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Mount Croghan, SC
- Average snowfall days in December: 0.4 days
The month with the highest number of snowfall days is February (1.4 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
Mount Croghan, 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 54min).
- Average sunshine in December: 5h and 3min
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 30min).
Average sunshine days in December
Mount Croghan, SC
- Average sunshine days in December: 17.4 days
The month with the most sunshine days is October (20.4 days).
The month with the least sunshine days is July (9.7 days).
Average UV index in December
Mount Croghan, SC
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in December
Mount Croghan, 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 28).
Average visibility in December
Mount Croghan, 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).
Mount Croghan, South Carolina, USA
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