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 reveals a small adjustment in temperature, transitioning from an average high of an enjoyable 63°F (17.2°C) in November to a still refreshing 57.4°F (14.1°C). During the nights in December, James Crossroads observes an average low-temperature of 42.3°F (5.7°C).Humidity
In December, the average relative humidity is 76%.Rainfall
The wettest months are August and December, with an average 3.23" (82mm) of rainfall.Snowfall
January, February and December are months with snowfall. December is the first month it typically snows in James Crossroads. Throughout December, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. In James Crossroads, during the entire year, snow falls for 1.2 days and aggregates up to 0.47" (12mm) of snow.Daylight
The month with the shortest days is December, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 7:07 am and sunset at 5:12 pm. On the last day of December, sunrise is at 7:25 am and sunset at 5:23 pm EST.
Sunshine
December has the least sunshine of the year in James Crossroads, with an average of 5.6h of sunshine.UV index
The months with the lowest UV index in James Crossroads are January, February and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 3 during December translates into these guidelines:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Frequently asked questions
What is the usual temperature for James Crossroads in December?
What is the average humidity in December in James Crossroads?
What is the rainiest month in James Crossroads?
How much does it rain in James Crossroads in December?
When does it start snowing in James Crossroads?
What is the month with the shortest days in James Crossroads?
What is the average length of the day in December in James Crossroads?
When is the sunrise / sunset in December in James Crossroads?
What is the month with the least sunshine in James Crossroads?
How long on average sun shines in December in James Crossroads?
What are the months with the lowest UV index in James Crossroads?
What is the UV index intensity in December in James Crossroads?
Average temperature in December
James Crossroads, SC
- Average high temperature in December: 57.4°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 (53.6°F).
- Average low temperature in December: 42.3°F
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (38.1°F).
Average pressure in December
James Crossroads, SC
- Average pressure in December: 30.13"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in December
James Crossroads, SC
- Average wind speed in December: 6.8mph
The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in December
James Crossroads, SC
- Average humidity in December: 76%
The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January and November (72%).
Average rainfall in December
James Crossroads, SC
- Average rainfall in December: 3.23"
The wettest months (with the highest rainfall) are August and December (3.23").
The driest month (with the least rainfall) is January (1.65").
Average rainfall days in December
James Crossroads, SC
- Average rainfall days in December: 10.7 days
The months with the highest number of rainy days are July and August (18.8 days).
The month with the least rainy days is November (8 days).
Average snowfall in December
James Crossroads, SC
- Average snowfall in December: 0.04"
The month with the highest snowfall is February (0.24").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
James Crossroads, SC
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is January (0.6 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
James Crossroads, SC
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
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
James Crossroads, SC
- Average sunshine days in December: 18.8 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is July (9.2 days).
Average UV index in December
James Crossroads, SC
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in December
James Crossroads, SC
- Average cloud cover in December: 40
The months with the most cloud cover are February and December (Cloud cover 40).
The month with the least cloud cover is October (Cloud cover 27).
Average visibility in December
James Crossroads, 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).
James Crossroads, South Carolina, USA
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