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 commencement of December, Morningside Heights records a moderate temperature decline, with the average high easing from November's moderate 59.9°F (15.5°C) to a cool 52.7°F (11.5°C). In Morningside Heights, the nighttime temperature averages to an icy 38.3°F (3.5°C) during December.Humidity
December is the most humid month in Morningside Heights, with an average relative humidity of 77%.Rainfall
December is the month with the most rainfall. Rain falls for 11.8 days and accumulates 4.21" (107mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. The month with the most snowfall in Morningside Heights is December, when snow falls for 0.7 days and typically aggregates up to 2.05" (52mm) of snow.Daylight
With an average of 9h and 54min of daylight, December has the shortest days of the year in Morningside Heights.On the first day of December, sunrise is at 7:20 am and sunset at 5:20 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 5:31 pm EST.
Sunshine
December has the least sunshine of the year, with an average of 5.4h of sunshine.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the average person.Note: A maximum high UV index of 2 in December translates into the following recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in Morningside Heights?
What is the most humid month in Morningside Heights?
What is the average humidity in December in Morningside Heights?
What is the wettest month in Morningside Heights?
How many days does it rain in December in Morningside Heights?
When does it snow the most in Morningside Heights?
How much does it snow in Morningside Heights in December?
What is the month with the shortest days in Morningside Heights?
How many hours of daylight does Morningside Heights have in December?
When are sunrise and sunset in December in Morningside Heights?
What is the month with the least sunshine in Morningside Heights?
How many hours of sunshine does Morningside Heights have in December?
What are the months with the lowest UV index in Morningside Heights?
What is the UV index intensity in December in Morningside Heights?
Average temperature in December
Morningside Heights, SC
- Average high temperature in December: 52.7°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 (49.6°F).
- Average low temperature in December: 38.3°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).
Average pressure in December
Morningside Heights, SC
- Average pressure in December: 30.14"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in December
Morningside Heights, SC
- Average wind speed in December: 5.6mph
The windiest month (with the highest average wind speed) is February (6.3mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in December
Morningside Heights, SC
- Average humidity in December: 77%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (70%).
Average rainfall in December
Morningside Heights, SC
- Average rainfall in December: 4.21"
The wettest month (with the highest rainfall) is December (4.21").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in December
Morningside Heights, SC
- Average rainfall days in December: 11.8 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is October (9.5 days).
Average snowfall in December
Morningside Heights, SC
- Average snowfall in December: 2.05"
The month with the highest snowfall is December (2.05").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Morningside Heights, SC
- Average snowfall days in December: 0.7 days
The month with the highest number of snowfall days is January (1.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Morningside Heights, SC
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in December
Morningside Heights, SC
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (10.5 days).
Average UV index in December
Morningside Heights, SC
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Morningside Heights, 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
Morningside Heights, 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).
Morningside Heights, South Carolina, USA
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