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
The arrival of December brings an average high-temperature of a moderate 58.5°F (14.7°C), closely following the temperature pattern of November. An average minimum temperature of 47.5°F (8.6°C) is recorded during the month of December.Humidity
The months with the highest humidity are May, June, August and December, with an average relative humidity of 78%.Rainfall
In Surfside Beach, in December, during 12.1 rainfall days, 3.9" (99mm) of precipitation is typically accumulated. In Surfside Beach, during the entire year, the rain falls for 174.7 days and collects up to 42.13" (1070mm) of precipitation.Snowfall
In Surfside Beach, snow does not fall in March through December.Daylight
December has the shortest days of the year, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 7:02 am and sunset at 5:07 pm. On the last day of December, sunrise is at 7:20 am and sunset at 5:18 pm EST.
Sunshine
The month with the least sunshine is December, with an average of 5.5h of sunshine.UV index
In Surfside Beach, the average daily maximum UV index in December is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 4 during December translates into the following directions:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in December?
What are the most humid months?
What is the average humidity in December?
How many days does it rain in December?
When it does not snow?
Does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Surfside Beach have in December?
When are sunrise and sunset in December in Surfside Beach?
What is the month with the least sunshine?
How many hours of sunshine does Surfside Beach have in December?
How high is the UV index in December?
Average temperature in December
Surfside Beach, SC
- Average high temperature in December: 58.5°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 (54.7°F).
- Average low temperature in December: 47.5°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 (42.4°F).
Average pressure in December
Surfside Beach, SC
- Average pressure in December: 30.13"Hg
The months with the highest atmospheric pressure are January and December (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in December
Surfside Beach, SC
- Average wind speed in December: 9.4mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (8.2mph).
Average humidity in December
Surfside Beach, SC
- Average humidity in December: 78%
The months with the highest relative humidity are May, June, August and December (78%).
The month with the lowest relative humidity is January (74%).
Average rainfall in December
Surfside Beach, SC
- Average rainfall in December: 3.9"
The wettest month (with the highest rainfall) is August (6.77").
The driest month (with the least rainfall) is January (1.46").
Average rainfall days in December
Surfside Beach, SC
- Average rainfall days in December: 12.1 days
The month with the highest number of rainy days is July (22.7 days).
The month with the least rainy days is November (9.6 days).
Average snowfall in December
Surfside Beach, SC
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.35").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Surfside Beach, SC
- Average snowfall days in December: 0.1 days
The months with the highest number of snowfall days are January and February (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Surfside Beach, 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 3min
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 30min).
Average sunshine days in December
Surfside Beach, SC
- Average sunshine days in December: 18.1 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (6 days).
Average UV index in December
Surfside Beach, SC
- Average UV index in December: 4
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and February (UV index 3).
Average cloud cover in December
Surfside Beach, SC
- Average cloud cover in December: 41
The months with the most cloud cover are February and December (Cloud cover 41).
The months with the least cloud cover are June and July (Cloud cover 27).
Average visibility in December
Surfside Beach, 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).
Surfside Beach, South Carolina, USA
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