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
In Mount Pleasant, entering December brings a subtle temperature decrement, reducing from November's mild 58.8°F (14.9°C) to a cool 50.9°F (10.5°C). During the month of December, Mount Pleasant anticipates a mean low-temperature of 37.8°F (3.2°C).Humidity
In December, the average relative humidity is 79%.Rainfall
In Mount Pleasant, in December, during 12.3 rainfall days, 3.98" (101mm) of precipitation is typically accumulated. Throughout the year, there are 164.9 rainfall days, and 40.71" (1034mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall in Mount Pleasant. In Mount Pleasant, in December, snow falls for 1.5 days, with typically accumulated 0.67" (17mm) of snow. Throughout the year, in Mount Pleasant, there are 7.9 snowfall days, and 3.15" (80mm) of snow is accumulated.Daylight
With an average of 9h and 54min of daylight, December has the shortest days of the year.On the first day of December in Mount Pleasant, sunrise is at 6:48 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 4:57 pm CST.
Sunshine
In Mount Pleasant, the average sunshine in December is 4.8h.UV index
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 3 during December translates into the following guidance:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. During bright days, sunglasses that offer UVA and UVB defense are recommended. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in Mount Pleasant?
What is the average humidity in December in Mount Pleasant?
How much does it rain in Mount Pleasant in December?
How many days does it snow in December 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?
How long on average sun shines in December in Mount Pleasant?
What is the month with the lowest UV index in Mount Pleasant?
What is the UV index reading in December in Mount Pleasant?
Average temperature in December
Mount Pleasant, MS
- Average high temperature in December: 50.9°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (46.9°F).
- Average low temperature in December: 37.8°F
The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).
Average pressure in December
Mount Pleasant, MS
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Mount Pleasant, MS
- Average wind speed in December: 8mph
The windiest month (with the highest average wind speed) is February (8.8mph).
The calmest month (with the lowest average wind speed) is July (5.1mph).
Average humidity in December
Mount Pleasant, MS
- Average humidity in December: 79%
The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Mount Pleasant, MS
- Average rainfall in December: 3.98"
The wettest month (with the highest rainfall) is February (4.61").
The driest month (with the least rainfall) is September (2.2").
Average rainfall days in December
Mount Pleasant, MS
- Average rainfall days in December: 12.3 days
The month with the highest number of rainy days is August (17.1 days).
The month with the least rainy days is October (10 days).
Average snowfall in December
Mount Pleasant, MS
- Average snowfall in December: 0.67"
The month with the highest snowfall is February (0.83").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Mount Pleasant, MS
- Average snowfall days in December: 1.5 days
The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mount Pleasant, MS
- 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 54min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Mount Pleasant, MS
- Average sunshine days in December: 16.6 days
The month with the most sunshine days is October (20 days).
The month with the least sunshine days is July (11.5 days).
Average UV index in December
Mount Pleasant, MS
- Average UV index in December: 3
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in December
Mount Pleasant, MS
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in December
Mount Pleasant, MS
- 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, Mississippi, USA
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