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 move into December indicates a slight reduction in the average high-temperature, down from November's moderate 59°F (15°C) to a fresh 52.7°F (11.5°C). In Mount Pleasant, December's nights observe an average temperature dip to a wintry 38.1°F (3.4°C).Humidity
The months with the highest humidity are May and December, with an average relative humidity of 76%.Rainfall
In Mount Pleasant, during December, the rain falls for 11.1 days and regularly aggregates up to 2.91" (74mm) of precipitation. In Mount Pleasant, during the entire year, the rain falls for 160.4 days and collects up to 30.75" (781mm) of precipitation.Snowfall
January through March and December are months with snowfall. December is the first month it typically snows in Mount Pleasant. Throughout December, in the average 0.5 snowfall days, it receives 1.14" (29mm) of snow. In Mount Pleasant, during the entire year, snow falls for 5.1 days and aggregates up to 4.65" (118mm) of snow.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year in Mount Pleasant.On the first day of the month, sunrise is at 7:12 am and sunset at 5:09 pm. On the last day of December, in Mount Pleasant, sunrise is at 7:30 am and sunset at 5:19 pm EST.
Sunshine
The month with the least sunshine is December, with an average of 5.4h of sunshine.UV index
In Mount Pleasant, the average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 3 during December translates into the following recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What are the temperatures in Mount Pleasant in December?
What are the most humid months in Mount Pleasant?
What is the average humidity in December in Mount Pleasant?
How much does it rain in Mount Pleasant in December?
When does it start snowing in Mount Pleasant?
What is the month with the shortest days in Mount Pleasant?
What is the average length of the day in December in Mount Pleasant?
When are sunrise and sunset in December in Mount Pleasant?
What is the month with the least sunshine in Mount Pleasant?
How long on average sun shines in December in Mount Pleasant?
What is the UV index reading in December in Mount Pleasant?
Average temperature in December
Mount Pleasant, NC
- Average high temperature in December: 52.7°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (48.4°F).
- Average low temperature in December: 38.1°F
The month with the highest average low temperature is July (70.2°F).
The coldest month (with the lowest average low temperature) is January (33.1°F).
Average pressure in December
Mount Pleasant, NC
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in December
Mount Pleasant, NC
- Average wind speed in December: 6.3mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in December
Mount Pleasant, NC
- Average humidity in December: 76%
The months with the highest relative humidity are May and December (76%).
The months with the lowest relative humidity are June and July (71%).
Average rainfall in December
Mount Pleasant, NC
- Average rainfall in December: 2.91"
The wettest month (with the highest rainfall) is August (3.15").
The driest month (with the least rainfall) is October (1.97").
Average rainfall days in December
Mount Pleasant, NC
- Average rainfall days in December: 11.1 days
The month with the highest number of rainy days is July (17.9 days).
The months with the least rainy days are October and November (9.5 days).
Average snowfall in December
Mount Pleasant, NC
- Average snowfall in December: 1.14"
The month with the highest snowfall is January (1.57").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Mount Pleasant, NC
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is February (2 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
Mount Pleasant, NC
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in December: 5h and 2min
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 24min).
Average sunshine days in December
Mount Pleasant, NC
- Average sunshine days in December: 18.1 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (11.6 days).
Average UV index in December
Mount Pleasant, NC
- Average UV index in December: 3
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in December
Mount Pleasant, NC
- Average cloud cover in December: 41
The months with the most cloud cover are February and March (Cloud cover 42).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in December
Mount Pleasant, NC
- 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).
Mount Pleasant, North Carolina, USA
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