December weather forecastDollar Bay, MI
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Dollar Bay, Michigan, with an average temperature varying between 21.6°F (-5.8°C) and 28°F (-2.2°C).Temperature
With December's arrival, Dollar Bay sees a decrease in average high-temperatures, moving from a wintry 38.3°F (3.5°C) in November to a freezing cold 28°F (-2.2°C). In Dollar Bay, December is characterized by an average low-temperature of 21.6°F (-5.8°C), indicating a minor drop from daytime highs.Humidity
The average relative humidity in December is 84%.Rainfall
In Dollar Bay, during December, the rain falls for 6.6 days and regularly aggregates up to 1.81" (46mm) of precipitation. Throughout the year, there are 123.4 rainfall days, and 21.1" (536mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Dollar Bay. December is the month with the most snowfall. Snow falls for 20.9 days and accumulates 7.87" (200mm) of snow.Daylight
The month with the shortest days is December, with an average of 8h and 36min of daylight.On the first day of the month, sunrise is at 8:20 am and sunset at 5:06 pm. On the last day of December, sunrise is at 8:40 am and sunset at 5:14 pm EST.
Sunshine
The average sunshine in December is 1.8h.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In December, a regular UV index of 1 translates into these guidelines:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Dollar Bay, MI
- Average high temperature in December: 28°F
The warmest month (with the highest average high temperature) is August (70.3°F).
The month with the lowest average high temperature is January (22.5°F).
- Average low temperature in December: 21.6°F
The month with the highest average low temperature is August (57.6°F).
The coldest months (with the lowest average low temperature) are January and February (15.1°F).
Average pressure in December
Dollar Bay, MI
- Average pressure in December: 30.03"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
Dollar Bay, MI
- Average wind speed in December: 12mph
The windiest month (with the highest average wind speed) is January (12.1mph).
The calmest month (with the lowest average wind speed) is June (7.5mph).
Average humidity in December
Dollar Bay, MI
- Average humidity in December: 84%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is May (73%).
Average rainfall in December
Dollar Bay, MI
- Average rainfall in December: 1.81"
The wettest month (with the highest rainfall) is October (2.28").
The driest months (with the least rainfall) are January, February and March (1.3").
Average rainfall days in December
Dollar Bay, MI
- Average rainfall days in December: 6.6 days
The months with the highest number of rainy days are September and October (14.4 days).
The month with the least rainy days is January (3.1 days).
Average snowfall in December
Dollar Bay, MI
- Average snowfall in December: 7.87"
The month with the highest snowfall is December (7.87").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Dollar Bay, MI
- Average snowfall days in December: 20.9 days
The month with the highest number of snowfall days is January (23.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Dollar Bay, MI
- Average daylight in December: 8h and 36min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in December: 1h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 1h and 30min).
Average sunshine days in December
Dollar Bay, MI
- Average sunshine days in December: 5.7 days
The month with the most sunshine days is July (15.6 days).
The month with the least sunshine days is January (5.3 days).
Average UV index in December
Dollar Bay, MI
- Average UV index in December: 1
The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in December
Dollar Bay, MI
- Average cloud cover in December: 82
The month with the most cloud cover is January (Cloud cover 86).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in December
Dollar Bay, MI
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).





