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
December signals a slight drop in average high-temperature, sliding from November's agreeable 69.6°F (20.9°C) to an enjoyable 63.9°F (17.7°C). An average low-temperature of 46.8°F (8.2°C) is observed during December nights.Humidity
August and December, with an average relative humidity of 78%, are the most humid months.Rainfall
In Mount Pleasant, during December, the rain falls for 11.7 days and regularly aggregates up to 3.11" (79mm) of precipitation. Throughout the year, there are 184.9 rainfall days, and 37.6" (955mm) of precipitation is accumulated.Snowfall
February through December are months without snowfall.Daylight
With an average of 10h and 12min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:18 am and sunset at 5:37 pm. On the last day of December, in Mount Pleasant, sunrise is at 7:35 am and sunset at 5:48 pm EST.
Sunshine
The month with the least sunshine is December, with an average of 5.5h 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 radiation for the ordinary person.Note: A maximum UV index of 4 in December translates into the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature?
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 in Mount Pleasant?
How many hours of daylight does Mount Pleasant have in December?
When is the sunrise / sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Mount Pleasant have in December?
What is the UV index intensity in December?
Average temperature in December
Mount Pleasant, FL
- Average high temperature in December: 63.9°F
The warmest months (with the highest average high temperature) are July and August (90.7°F).
The month with the lowest average high temperature is January (60.4°F).
- Average low temperature in December: 46.8°F
The month with the highest average low temperature is August (73.6°F).
The coldest month (with the lowest average low temperature) is January (42.3°F).
Average pressure in December
Mount Pleasant, FL
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.98"Hg).
Average wind speed in December
Mount Pleasant, FL
- Average wind speed in December: 6.5mph
The windiest months (with the highest average wind speed) are January and March (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in December
Mount Pleasant, FL
- Average humidity in December: 78%
The months with the highest relative humidity are August and December (78%).
The month with the lowest relative humidity is May (72%).
Average rainfall in December
Mount Pleasant, FL
- Average rainfall in December: 3.11"
The wettest month (with the highest rainfall) is August (5.08").
The driest month (with the least rainfall) is November (1.46").
Average rainfall days in December
Mount Pleasant, FL
- Average rainfall days in December: 11.7 days
The month with the highest number of rainy days is July (26.1 days).
The month with the least rainy days is November (8.1 days).
Average snowfall in December
Mount Pleasant, FL
- Average snowfall in December: 0"
The month with the highest snowfall is January (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Mount Pleasant, FL
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is January (0.2 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
Mount Pleasant, FL
- Average daylight in December: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in December: 5h and 3min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in December
Mount Pleasant, FL
- Average sunshine days in December: 17.7 days
The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is July (3.4 days).
Average UV index in December
Mount Pleasant, FL
- 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
Mount Pleasant, FL
- Average cloud cover in December: 43
The month with the most cloud cover is December (Cloud cover 43).
The months with the least cloud cover are May and October (Cloud cover 29).
Average visibility in December
Mount Pleasant, FL
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, May, June, October and November (6mi).
The months with the lowest visibility are July, August, September and December (5mi).
Mount Pleasant, Florida, USA
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