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
December's advent in Kiawah Island denotes a minor fluctuation in the average high-temperature to a mild 60.6°F (15.9°C) from November's 65.8°F (18.8°C). During December, the nighttime temperature in Kiawah Island averages to a cool 51.1°F (10.6°C).Humidity
The most humid month is December, with an average relative humidity of 78%.Rainfall
In Kiawah Island, South Carolina, during December, the rain falls for 6.2 days and regularly aggregates up to 1.14" (29mm) of precipitation. In Kiawah Island, during the entire year, the rain falls for 113.3 days and collects up to 10" (254mm) of precipitation.Snowfall
January and December are months with snowfall. December is the first month it typically snows. Throughout December, there are 0.1 snowfall days. In Kiawah Island, during the entire year, snow falls for 0.3 days.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 7:04 am and sunset at 5:14 pm. On the last day of December, in Kiawah Island, South Carolina, sunrise is at 7:22 am and sunset at 5:25 pm EST.
Sunshine
The month with the least sunshine in Kiawah Island is December, with an average of 5.7h of sunshine.UV index
The average daily maximum UV index in December in Kiawah Island is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: The maximum UV index, 4 during December, leads to the following recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Experience reduced UV exposure by about half when donning a wide-brim hat. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Frequently asked questions
What are the temperatures in Kiawah Island in December?
What is the most humid month in Kiawah Island?
What is the average humidity in December in Kiawah Island?
How much does it rain in Kiawah Island in December?
When does it start snowing in Kiawah Island?
What is the month with the shortest days in Kiawah Island?
How many hours of daylight does Kiawah Island have in December?
What time are sunrise and sunset in December in Kiawah Island?
What is the month with the least sunshine in Kiawah Island?
How many hours of sunshine does Kiawah Island have in December?
What is the UV index intensity in December in Kiawah Island?
Average temperature in December
Kiawah Island, SC
- Average high temperature in December: 60.6°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (57°F).
- Average low temperature in December: 51.1°F
The months with the highest average low temperature are July and August (78.4°F).
The coldest month (with the lowest average low temperature) is January (46.4°F).
Average pressure in December
Kiawah Island, SC
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Kiawah Island, SC
- Average wind speed in December: 10.2mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (8.8mph).
Average humidity in December
Kiawah Island, SC
- Average humidity in December: 78%
The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are January, March and October (73%).
Average rainfall in December
Kiawah Island, SC
- Average rainfall in December: 1.14"
The wettest month (with the highest rainfall) is August (1.93").
The driest month (with the least rainfall) is January (0.24").
Average rainfall days in December
Kiawah Island, SC
- Average rainfall days in December: 6.2 days
The month with the highest number of rainy days is August (17.3 days).
The month with the least rainy days is November (5.2 days).
Average snowfall days in December
Kiawah Island, SC
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is January (0.2 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
Kiawah 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 0min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in December
Kiawah Island, SC
- Average sunshine days in December: 23.5 days
The month with the most sunshine days is January (23.9 days).
The month with the least sunshine days is August (8.5 days).
Average UV index in December
Kiawah 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
Kiawah Island, SC
- Average cloud cover in December: 39
The month with the most cloud cover is December (Cloud cover 39).
The months with the least cloud cover are June and July (Cloud cover 25).
Average visibility in December
Kiawah 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).
Kiawah Island, South Carolina, USA
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