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
Mount Pleasant's weather changes with the onset of December, slightly falling from a chilly 43.3°F (6.3°C) in November to a wintry 32°F (0°C). Mount Pleasant notes a consistent average low-temperature of 23.9°F (-4.5°C) during December nights.Humidity
In December, the average relative humidity is 85%.Rainfall
In Mount Pleasant, during December, the rain falls for 8.4 days and regularly aggregates up to 1.46" (37mm) of precipitation. In Mount Pleasant, during the entire year, the rain falls for 137.5 days and collects up to 21.93" (557mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Mount Pleasant, in December, snow falls for 15.6 days, with typically accumulated 4.13" (105mm) of snow. Throughout the year, there are 71.3 snowfall days, and 20.43" (519mm) of snow is accumulated.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:53 am and sunset at 5:03 pm. On the last day of the month, sunrise is at 8:12 am and sunset at 5:12 pm EST.
Sunshine
The average sunshine in December is 3.1h.UV index
The months with the lowest UV index are January, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index of 1 during December translates into these guidelines:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December in Mount Pleasant?
How many hours of sunshine does Mount Pleasant have in December?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Mount Pleasant, MI
- Average high temperature in December: 32°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (26.1°F).
- Average low temperature in December: 23.9°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (16°F).
Average pressure in December
Mount Pleasant, MI
- Average pressure in December: 30.06"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Mount Pleasant, MI
- Average wind speed in December: 9.2mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).
Average humidity in December
Mount Pleasant, MI
- Average humidity in December: 85%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is April (75%).
Average rainfall in December
Mount Pleasant, MI
- Average rainfall in December: 1.46"
The wettest month (with the highest rainfall) is May (2.99").
The driest month (with the least rainfall) is September (1.22").
Average rainfall days in December
Mount Pleasant, MI
- Average rainfall days in December: 8.4 days
The month with the highest number of rainy days is October (15.5 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in December
Mount Pleasant, MI
- Average snowfall in December: 4.13"
The month with the highest snowfall is January (6.26").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Mount Pleasant, MI
- Average snowfall days in December: 15.6 days
The month with the highest number of snowfall days is January (18.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mount Pleasant, MI
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 3h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in December
Mount Pleasant, MI
- Average sunshine days in December: 10.7 days
The month with the most sunshine days is September (16.4 days).
The month with the least sunshine days is January (9.6 days).
Average UV index in December
Mount Pleasant, MI
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in December
Mount Pleasant, MI
- Average cloud cover in December: 69
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in December
Mount Pleasant, MI
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, October and November (6mi).
The months with the lowest visibility are January, February, September and December (5mi).
Mount Pleasant, Michigan, USA
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