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
A subtle change in temperatures is noted as November gives way to December, with average highs reducing from a moderate 59.9°F (15.5°C) to a fresh 52.9°F (11.6°C). An average nighttime temperature of 38.5°F (3.6°C) is witnessed in York throughout December.Humidity
May and December, with an average relative humidity of 75%, are the most humid months in York.Rainfall
The month with the most rainfall is December, when the rain falls for 11.5 days and typically aggregates up to 3.54" (90mm) of precipitation.Snowfall
Months with snowfall in York, South Carolina, are January through March and December. The month with the most snowfall in York, South Carolina, is December, when snow falls for 0.6 days and typically aggregates up to 1.65" (42mm) of snow.Daylight
December has the shortest days of the year in York, South Carolina, with an average of 9h and 54min of daylight.On the first day of December in York, sunrise is at 7:15 am and sunset at 5:13 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 5:23 pm EST.
Sunshine
December has the least sunshine of the year, with an average of 5.3h of sunshine.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index in York. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The daily maximum UV index of 2 in December interprets into the following advice:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. The Sun's radiation is especially intense around midday; try to stay in shade during this period. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Frequently asked questions
What are the temperatures in York in December?
What is the most humid month in York?
What is the average humidity in December in York?
What is the rainiest month in York?
How many days does it rain in December in York?
What is the snowiest month in York?
When does it start to snow in York?
What is the month with the shortest days in York?
How many hours of daylight does York have in December?
What time are sunrise and sunset in December in York?
What is the month with the least sunshine in York?
How long on average sun shines in December in York?
What is the month with the lowest UV index in York?
How high is the UV index in December in York?
Average temperature in December
York, SC
- Average high temperature in December: 52.9°F
The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is January (49.5°F).
- Average low temperature in December: 38.5°F
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (33.8°F).
Average pressure in December
York, 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 (29.98"Hg).
Average wind speed in December
York, SC
- Average wind speed in December: 6.5mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in December
York, SC
- Average humidity in December: 75%
The months with the highest relative humidity are May and December (75%).
The month with the lowest relative humidity is July (69%).
Average rainfall in December
York, SC
- Average rainfall in December: 3.54"
The wettest month (with the highest rainfall) is December (3.54").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in December
York, SC
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is November (9.3 days).
Average snowfall in December
York, SC
- Average snowfall in December: 1.65"
The month with the highest snowfall is December (1.65").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
York, SC
- Average snowfall days in December: 0.6 days
The month with the highest number of snowfall days is February (1.8 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
York, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in December
York, SC
- Average sunshine days in December: 18.2 days
The month with the most sunshine days is October (20.1 days).
The month with the least sunshine days is July (11.2 days).
Average UV index in December
York, SC
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
York, SC
- Average cloud cover in December: 44
The months with the most cloud cover are February and December (Cloud cover 44).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in December
York, 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).
York, South Carolina, USA
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