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
A moderate decline in the average high-temperature is seen during December, decreasing from a cold 40.3°F (4.6°C) in November to a freezing cold 30.2°F (-1°C). Mackinaw City, in December, logs an average low-temperature of 23°F (-5°C), a subtle step down from daytime readings.Humidity
In December, the average relative humidity is 85%.Rainfall
In December, in Mackinaw City, Michigan, the rain falls for 9.2 days. Throughout December, 1.73" (44mm) of precipitation is accumulated. In Mackinaw City, during the entire year, the rain falls for 131 days and collects up to 21.22" (539mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Mackinaw City, in December, snow falls for 19.2 days, with typically accumulated 5.59" (142mm) of snow. Throughout the year, there are 93.6 snowfall days, and 27.91" (709mm) of snow is accumulated.Daylight
With an average of 8h and 42min of daylight, December has the shortest days of the year in Mackinaw City, Michigan.On the first day of December, sunrise is at 8:00 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 8:19 am and sunset at 5:04 pm EST.
Sunshine
The average sunshine in December in Mackinaw City is 2.3h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In December, an average UV index of 1 transforms into the following instructions:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. When the Sun is at its strongest around midday, find shade and limit exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
How cold is December in Mackinaw City?
What is the average humidity in December in Mackinaw City?
How many days does it rain in December in Mackinaw City?
How many days does it snow in December in Mackinaw City?
What is the month with the shortest days in Mackinaw City?
How many hours of daylight does Mackinaw City have in December?
When are sunrise and sunset in December in Mackinaw City?
How long on average sun shines in December in Mackinaw City?
When is the lowest UV index in Mackinaw City?
What is the UV index intensity in December in Mackinaw City?
Average temperature in December
Mackinaw City, MI
- Average high temperature in December: 30.2°F
The warmest month (with the highest average high temperature) is July (71.4°F).
The month with the lowest average high temperature is January (23.4°F).
- Average low temperature in December: 23°F
The month with the highest average low temperature is August (58.6°F).
The coldest month (with the lowest average low temperature) is February (14.4°F).
Average pressure in December
Mackinaw City, MI
- Average pressure in December: 30.02"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
Mackinaw City, MI
- Average wind speed in December: 10.9mph
The windiest months (with the highest average wind speed) are November and December (10.9mph).
The calmest months (with the lowest average wind speed) are June and July (7.6mph).
Average humidity in December
Mackinaw City, MI
- Average humidity in December: 85%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is May (75%).
Average rainfall in December
Mackinaw City, MI
- Average rainfall in December: 1.73"
The wettest month (with the highest rainfall) is October (2.72").
The driest month (with the least rainfall) is January (1.3").
Average rainfall days in December
Mackinaw City, MI
- Average rainfall days in December: 9.2 days
The month with the highest number of rainy days is October (16.5 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in December
Mackinaw City, MI
- Average snowfall in December: 5.59"
The month with the highest snowfall is January (5.91").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Mackinaw City, MI
- Average snowfall days in December: 19.2 days
The month with the highest number of snowfall days is January (21.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mackinaw City, MI
- Average daylight in December: 8h and 4min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 2h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 1h and 54min).
Average sunshine days in December
Mackinaw City, MI
- Average sunshine days in December: 7.6 days
The month with the most sunshine days is September (16.9 days).
The month with the least sunshine days is January (7.1 days).
Average UV index in December
Mackinaw City, MI
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in December
Mackinaw City, MI
- Average cloud cover in December: 75
The month with the most cloud cover is January (Cloud cover 80).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in December
Mackinaw City, MI
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
Mackinaw City, Michigan, USA
Weather forecast for your location
2. Allow the app to use your location
