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
December
Weather in December
Temperature
December's arrival comes with a mild decrease in the average high-temperature, moving subtly from a mild 59.7°F (15.4°C) in November to a fresh 52.9°F (11.6°C). In Lake Wylie, December nights cool down to an average of 38.5°F (3.6°C).Humidity
The months with the highest humidity are May and December, with an average relative humidity of 75%.Rainfall
In Lake Wylie, in December, it is raining for 10 days, with typically 3.03" (77mm) of accumulated precipitation. In Lake Wylie, during the entire year, the rain falls for 152.2 days and collects up to 29.69" (754mm) of precipitation.Snowfall
Months with snowfall are January through March and December. The month with the most snowfall is December, when snow falls for 0.6 days and typically aggregates up to 2.48" (63mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 48min of daylight.On the first day of the month, sunrise is at 7:14 am and sunset at 5:12 pm. On the last day of December, sunrise is at 7:32 am and sunset at 5:22 pm EST.
Sunshine
The month with the least sunshine is December, with an average of 5.4h of sunshine.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high UV index of 2 in December translates into the following recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December?
What are the most humid months?
What is the average humidity in December?
How much does it rain in December?
What is the snowiest month?
When does it start to snow?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Lake Wylie have in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Lake Wylie, SC
- Average high temperature in December: 52.9°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (48.9°F).
- Average low temperature in December: 38.5°F
The month with the highest average low temperature is July (70.2°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).
Average pressure in December
Lake Wylie, 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
Lake Wylie, SC
- Average wind speed in December: 6.3mph
The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in December
Lake Wylie, 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 June and July (70%).
Average rainfall in December
Lake Wylie, SC
- Average rainfall in December: 3.03"
The wettest month (with the highest rainfall) is August (3.19").
The driest month (with the least rainfall) is October (1.85").
Average rainfall days in December
Lake Wylie, SC
- Average rainfall days in December: 10 days
The month with the highest number of rainy days is July (18.4 days).
The month with the least rainy days is November (8.6 days).
Average snowfall in December
Lake Wylie, SC
- Average snowfall in December: 2.48"
The month with the highest snowfall is December (2.48").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Lake Wylie, 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, October and November (0 days).
Average daylight in December /
Average sunshine in December
Lake Wylie, 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 48min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in December
Lake Wylie, SC
- Average sunshine days in December: 19.9 days
The month with the most sunshine days is October (21.5 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in December
Lake Wylie, 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
Lake Wylie, SC
- Average cloud cover in December: 42
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in December
Lake Wylie, 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).