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, the average high-temperature stands at a still enjoyable 60.8°F (16°C), closely aligned with November's 65.5°F (18.6°C). Throughout December, a steady low-temperature average of 50.9°F (10.5°C) is noted.Humidity
December is the most humid month, with an average relative humidity of 78%.Rainfall
In Isle of Palms, in December, during 12.4 rainfall days, 4.69" (119mm) of precipitation is typically accumulated. Throughout the year, in Isle of Palms, there are 184.5 rainfall days, and 45.83" (1164mm) of precipitation is accumulated.Snowfall
In Isle of Palms, snow does not fall in March through December.Daylight
With an average of 10h and 0min of daylight, December has the shortest days of the year in Isle of Palms.On the first day of December in Isle of Palms, sunrise is at 7:03 am and sunset at 5:12 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 5:23 pm EST.
Sunshine
The month with the least sunshine is December, with an average of 5.7h of sunshine.UV index
The average daily maximum UV index in December in Isle of Palms is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 4 in December converts into the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Isle of Palms in December?
What is the most humid month in Isle of Palms?
What is the average humidity in December in Isle of Palms?
How much does it rain in Isle of Palms in December?
When it does not snow in Isle of Palms?
Does it snow in Isle of Palms in December?
What is the month with the shortest days in Isle of Palms?
What is the average length of the day in December in Isle of Palms?
When are sunrise and sunset in December in Isle of Palms?
What is the month with the least sunshine in Isle of Palms?
How many hours of sunshine does Isle of Palms have in December?
What is the UV index reading in December in Isle of Palms?
Average temperature in December
Isle 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
Isle 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
Isle 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
Isle 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
Isle 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
Isle 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
Isle 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
Isle 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
Isle 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 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
Isle 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
Isle 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
Isle 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
Isle 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).
Isle of Palms, South Carolina, USA
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