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
With the onset of December, Wilsonville experiences a modest temperature adjustment, with the average high-temperature gently receding from 66.2°F (19°C) in November to a still refreshing 60.6°F (15.9°C). December brings an average low-temperature of 45.9°F (7.7°C) to Wilsonville.Humidity
December is the most humid month, with an average relative humidity of 77%.Rainfall
In Wilsonville, in December, during 10.8 rainfall days, 4.17" (106mm) of precipitation is typically accumulated. Throughout the year, in Wilsonville, there are 172.6 rainfall days, and 39.13" (994mm) of precipitation is accumulated.Snowfall
Months with snowfall in Wilsonville 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. Throughout the year, there are 0.9 snowfall days, and 0.39" (10mm) of snow is accumulated.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 7:05 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
With an average of 5.6h of sunshine, December has the least sunshine of the year in Wilsonville.UV index
In Wilsonville, South Carolina, the average daily maximum UV index in December is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: In December, the average maximum UV index of 4 translates into the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Frequently asked questions
What is the temperature in December in Wilsonville?
What is the most humid month in Wilsonville?
What is the average humidity in December in Wilsonville?
How many days does it rain in December in Wilsonville?
When does it start to snow in Wilsonville?
What is the month with the shortest days in Wilsonville?
How many hours of daylight does Wilsonville have in December?
When are sunrise and sunset in December in Wilsonville?
What is the month with the least sunshine in Wilsonville?
How long on average sun shines in December in Wilsonville?
What is the UV index intensity in December in Wilsonville?
Average temperature in December
Wilsonville, 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
Wilsonville, 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
Wilsonville, 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
Wilsonville, 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
Wilsonville, 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
Wilsonville, 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
Wilsonville, 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
Wilsonville, 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
Wilsonville, 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
Wilsonville, 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
Wilsonville, 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
Wilsonville, 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
Wilsonville, 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).
Wilsonville, South Carolina, USA
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