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 indicates a shift in the average high-temperature, from November's frosty 43.7°F (6.5°C) to a cold 33.1°F (0.6°C). Cass City sustains a near constant temperature throughout December, with nighttime averages of 25°F (-3.9°C).Humidity
The average relative humidity in December is 84%.Rainfall
The month with the least rainfall is December, when the rain falls for 6.9 days and typically collects 0.98" (25mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Cass City, during December, snow falls for 11.5 days and regularly aggregates up to 2.01" (51mm) of snow. Throughout the year, there are 59.3 snowfall days, and 15.39" (391mm) 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 the month, sunrise is at 7:46 am and sunset at 4:57 pm. On the last day of December, sunrise is at 8:05 am and sunset at 5:06 pm EST.
Sunshine
In Cass City, the average sunshine in December is 3.1h.UV index
January, February and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 1 in December translates into these instructions:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Stay sun-safe with clothing that is both closely woven and worn loosely. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
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?
What is the driest month?
How much 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?
What time are sunrise and sunset in December?
How many hours of sunshine does Cass City have in December?
When is the lowest UV index in Cass City?
What is the UV index intensity in December?
Average temperature in December
Cass City, MI
- Average high temperature in December: 33.1°F
The warmest month (with the highest average high temperature) is July (76.5°F).
The month with the lowest average high temperature is January (26.1°F).
- Average low temperature in December: 25°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in December
Cass City, 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 (29.93"Hg).
Average wind speed in December
Cass City, MI
- Average wind speed in December: 10.8mph
The windiest month (with the highest average wind speed) is January (11mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).
Average humidity in December
Cass City, MI
- Average humidity in December: 84%
The months with the highest relative humidity are January and February (87%).
The months with the lowest relative humidity are April and May (77%).
Average rainfall in December
Cass City, MI
- Average rainfall in December: 0.98"
The wettest month (with the highest rainfall) is August (2.24").
The driest month (with the least rainfall) is December (0.98").
Average rainfall days in December
Cass City, MI
- Average rainfall days in December: 6.9 days
The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is February (3.5 days).
Average snowfall in December
Cass City, MI
- Average snowfall in December: 2.01"
The month with the highest snowfall is January (3.82").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Cass City, MI
- Average snowfall days in December: 11.5 days
The month with the highest number of snowfall days is February (14.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Cass City, 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 24min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in December
Cass City, MI
- Average sunshine days in December: 14.5 days
The month with the most sunshine days is November (17 days).
The month with the least sunshine days is February (11.5 days).
Average UV index in December
Cass City, 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, February and December (UV index 1).
Average cloud cover in December
Cass City, MI
- Average cloud cover in December: 68
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in December
Cass City, MI
- 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).
Cass City, Michigan, USA
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