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 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
The arrival of December corresponds with a light shift in temperature, down from a comfortable 66.2°F (19°C) in November to a mild 60.6°F (15.9°C). Wadmalaw Island observes an average low-temperature of 48°F (8.9°C) during December nights.Humidity
December is the most humid month in Wadmalaw Island, with an average relative humidity of 77%.Rainfall
In December, the rain falls for 7.5 days. Throughout December, 1.14" (29mm) of precipitation is accumulated. Throughout the year, there are 118.7 rainfall days, and 10.63" (270mm) of precipitation is accumulated.Snowfall
January and December are months with snowfall in Wadmalaw Island. The months with the most snowfall days are January and December, with an average of 0.1 snowfall days.Daylight
December has the shortest days of the year in Wadmalaw Island, with an average of 10h and 0min of daylight.On the first day of December in Wadmalaw Island, sunrise is at 7:05 am and sunset at 5:14 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 5:25 pm EST.
Sunshine
With an average of 5.7h of sunshine, December has the least sunshine of the year in Wadmalaw Island.UV index
The average daily maximum UV index in December in Wadmalaw Island is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the maximum UV index of 4 translates into these guidelines:
Heed the precautions - Suggestions to avoid sunburn are made. To guard against the harmful effects of the Sun, minimize exposure during midday. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Wadmalaw Island in December?
What is the most humid month in Wadmalaw Island?
What is the average humidity in December in Wadmalaw Island?
How much does it rain in Wadmalaw Island in December?
When does it snow the most in Wadmalaw Island?
When does it start to snow in Wadmalaw Island?
What is the month with the shortest days in Wadmalaw Island?
How many hours of daylight does Wadmalaw Island have in December?
When is the sunrise / sunset in December in Wadmalaw Island?
What is the month with the least sunshine in Wadmalaw Island?
How long on average sun shines in December in Wadmalaw Island?
What is the UV index intensity in December in Wadmalaw Island?
Average temperature in December
Wadmalaw Island, SC
- Average high temperature in December: 60.6°F
The warmest month (with the highest average high temperature) is July (89.8°F).
The month with the lowest average high temperature is January (57.2°F).
- Average low temperature in December: 48°F
The month with the highest average low temperature is July (76.5°F).
The coldest month (with the lowest average low temperature) is January (43.2°F).
Average pressure in December
Wadmalaw Island, 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
Wadmalaw Island, SC
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in December
Wadmalaw Island, 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
Wadmalaw Island, SC
- Average rainfall in December: 1.14"
The wettest month (with the highest rainfall) is August (1.73").
The driest month (with the least rainfall) is January (0.31").
Average rainfall days in December
Wadmalaw Island, SC
- Average rainfall days in December: 7.5 days
The month with the highest number of rainy days is August (16.9 days).
The month with the least rainy days is November (5.7 days).
Average snowfall days in December
Wadmalaw Island, SC
- Average snowfall days in December: 0.1 days
The months with the highest number of snowfall days are January and December (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Wadmalaw Island, 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: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in December
Wadmalaw Island, SC
- Average sunshine days in December: 21.7 days
The month with the most sunshine days is January (23.3 days).
The month with the least sunshine days is August (9.6 days).
Average UV index in December
Wadmalaw Island, SC
- Average UV index in December: 4
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover in December
Wadmalaw Island, SC
- Average cloud cover in December: 39
The months with the most cloud cover are February and December (Cloud cover 39).
The months with the least cloud cover are June and July (Cloud cover 25).
Average visibility in December
Wadmalaw Island, 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).
Wadmalaw Island, South Carolina, USA
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