December weather forecastIsland of Palms, SC
December
Weather in December
December, the first month of the winter in Island of Palms, is still a comfortable month, with an average temperature fluctuating between 60.8°F (16°C) and 50.9°F (10.5°C).Temperature
Island of Palms greets December with an average high-temperature of a still refreshing 60.8°F (16°C), marking a slight deviation from the preceding month. Island of Palms records a mean low-temperature of 50.9°F (10.5°C) in December.Humidity
With an average relative humidity of 78%, December is the most humid month.Rainfall
In December, the rain falls for 12.4 days. Throughout December, 4.69" (119mm) of precipitation is accumulated. Throughout the year, in Island of Palms, there are 184.5 rainfall days, and 45.83" (1164mm) of precipitation is accumulated.Snowfall
In Island of Palms, South Carolina, snow does not fall in March through December.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 5:12 pm. On the last day of December, sunrise is at 7:21 am and sunset at 5:23 pm EST.
Sunshine
With an average of 5.7h of sunshine, December has the least sunshine of the year in Island of Palms.UV index
In Island of Palms, the average daily maximum UV index in December is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The average daily UV index of 4 in December transforms into the following instructions:
Undertake precautions - Guarding against sun damage is counselled. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Island of Palms, SC
- Average high temperature in December: 60.8°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: 50.9°F
The month with the highest average low temperature is July (78.4°F).
The coldest month (with the lowest average low temperature) is January (45.7°F).
Average pressure in December
Island of Palms, 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
Island of Palms, SC
- Average wind speed in December: 10.1mph
The windiest months (with the highest average wind speed) are March and April (10.6mph).
The calmest month (with the lowest average wind speed) is August (8.6mph).
Average humidity in December
Island of Palms, 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 and March (73%).
Average rainfall in December
Island of Palms, SC
- Average rainfall in December: 4.69"
The wettest month (with the highest rainfall) is August (7.83").
The driest month (with the least rainfall) is January (1.54").
Average rainfall days in December
Island of Palms, SC
- Average rainfall days in December: 12.4 days
The month with the highest number of rainy days is August (25.2 days).
The month with the least rainy days is November (9.9 days).
Average snowfall in December
Island of Palms, SC
- Average snowfall in December: 0"
The months with the highest snowfall are January and February (0.04").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Island of Palms, SC
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is January (0.5 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Island of Palms, 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 42min
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
Island of Palms, SC
- Average sunshine days in December: 15.8 days
The month with the most sunshine days is January (18.1 days).
The month with the least sunshine days is August (2.5 days).
Average UV index in December
Island of Palms, 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
Island of Palms, SC
- Average cloud cover in December: 39
The month with the most cloud cover is December (Cloud cover 39).
The month with the least cloud cover is June (Cloud cover 25).
Average visibility in December
Island of Palms, 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).





