December weather forecast
Sault Ste. Marie, MI

In December, Sault Ste. Marie transforms into a winter wonderland, with the highest snowfall of 33.5" (851mm) recorded. The year ends with a white blanket covering the city, promising a magical holiday season. Despite the dropping temperature, the holiday spirit fills the air with warmth. The city shines beautifully as the lights from holiday decorations reflect on the winter snow. As one year ends and another begins, Sault Ste. Marie welcomes it with a snowy embrace.

Temperature

Sault Ste. Marie's progression into December includes a drop in the average high-temperature, from a cold 40.1°F (4.5°C) in November to a subzero cold 28.6°F (-1.9°C). The average low-temperature in Sault Ste. Marie during December nights is a still freezing cold 15.8°F (-9°C).

Rainfall

In Sault Ste. Marie, Michigan, in December, it is raining for 18.8 days, with typically 2.8" (71mm) of accumulated precipitation. Throughout the year, in Sault Ste. Marie, there are 162.9 rainfall days, and 32.95" (837mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Sault Ste. Marie are January through May, October through December. December is the month with the most snowfall in Sault Ste. Marie. Snow falls for 18 days and accumulates 33.5" (851mm) of snow.

Ocean temperature

In Sault Ste. Marie, Michigan, in December, the average water temperature is 39.2°F (4°C).
Note: In the case of swimming, this is seriously cold, dangerous, and can result in death. Without the safeguard of insulated waterproof attire, hypothermia manifests rapidly.

Daylight

December has the shortest days of the year in Sault Ste. Marie, Michigan, with an average of 8h and 42min of daylight.
On the first day of December in Sault Ste. Marie, sunrise is at 8:01 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 8:21 am and sunset at 5:00 pm EST.

Sunshine

In December, the average sunshine in Sault Ste. Marie is 2.5h.

UV index

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Sault Ste. Marie. 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: The daily high UV index of 1 during December translates into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.