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
A subtle shift in Ashley Harbor's weather is observed as November turns into December, with the average high temperature reducing from a refreshing 65.8°F (18.8°C) to a mild 60.4°F (15.8°C). Nighttime temperature dips to a mean of 47.3°F (8.5°C) during December.Humidity
The most humid month in Ashley Harbor is December, with an average relative humidity of 77%.Rainfall
In Ashley Harbor, during December, the rain falls for 9.5 days and regularly aggregates up to 2.4" (61mm) of precipitation. In Ashley Harbor, during the entire year, the rain falls for 154.4 days and collects up to 23.43" (595mm) of precipitation.Snowfall
Months with snowfall are January, February and December. The month with the most snowfall days in Ashley Harbor is December, when snow falls for 0.3 days.Daylight
With an average of 10h and 0min of daylight, December has the shortest days of the year in Ashley Harbor.On the first day of December in Ashley Harbor, sunrise is at 7:05 am and sunset at 5:13 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 5:24 pm EST.
Sunshine
The month with the least sunshine in Ashley Harbor is December, with an average of 5.6h of sunshine.UV index
The average daily maximum UV index in December is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: A daily high UV index of 4 in December leads to these guidelines:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Around midday, solar radiation is most harmful; hence, exposure should be limited. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December in Ashley Harbor?
What is the most humid month in Ashley Harbor?
What is the average humidity in December in Ashley Harbor?
How many days does it rain in December in Ashley Harbor?
When does it snow the most in Ashley Harbor?
When does it start snowing in Ashley Harbor?
What is the month with the shortest days in Ashley Harbor?
How many hours of daylight does Ashley Harbor have in December?
When is the sunrise / sunset in December in Ashley Harbor?
What is the month with the least sunshine in Ashley Harbor?
How many hours of sunshine does Ashley Harbor have in December?
What is the UV index intensity in December in Ashley Harbor?
Average temperature in December
Ashley Harbor, SC
- Average high temperature in December: 60.4°F
The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (56.8°F).
- Average low temperature in December: 47.3°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 (42.8°F).
Average pressure in December
Ashley Harbor, SC
- Average pressure in December: 30.13"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
Ashley Harbor, SC
- Average wind speed in December: 7.6mph
The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in December
Ashley Harbor, SC
- Average humidity in December: 77%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is March (72%).
Average rainfall in December
Ashley Harbor, SC
- Average rainfall in December: 2.4"
The wettest month (with the highest rainfall) is August (4.29").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in December
Ashley Harbor, SC
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is August (22.7 days).
The month with the least rainy days is November (6.9 days).
Average snowfall days in December
Ashley Harbor, SC
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is December (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
Ashley Harbor, 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: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in December
Ashley Harbor, SC
- Average sunshine days in December: 19 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is August (6.1 days).
Average UV index in December
Ashley Harbor, 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
Ashley Harbor, SC
- Average cloud cover in December: 40
The month with the most cloud cover is December (Cloud cover 40).
The months with the least cloud cover are June and July (Cloud cover 26).
Average visibility in December
Ashley Harbor, 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).
Ashley Harbor, South Carolina, USA
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