December weather forecastMount Pleasant, FL
December
Weather in December
The first month of the winter, December, is also an enjoyable month in Mount Pleasant, Florida, with an average temperature ranging between min 46.8°F (8.2°C) and max 63.9°F (17.7°C).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
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 12min
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 30min
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).
