December weather forecastSault Ste. Marie, MI

Weather in December

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

The onset of December introduces a moderate change in Sault Ste. Marie's weather, with average high-temperatures falling from November's icy 40.1°F (4.5°C) to a subzero cold 28.6°F (-1.9°C). Sault Ste. Marie records an average temperature drop to 15.8°F (-9°C) in December.

Rainfall

In December, in Sault Ste. Marie, the rain falls for 18.8 days. Throughout December, 2.8" (71mm) of precipitation is accumulated. In Sault Ste. Marie, during the entire year, the rain falls for 162.9 days and collects up to 32.95" (837mm) of precipitation.

Snowfall

Months with snowfall in Sault Ste. Marie, Michigan, 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, in December, the average water temperature is 39.2°F (4°C).
Note: In water-based activities like swimming, this poses significant life risks. The cold water results in agonizing discomfort and quick hyperventilation. A specialized swimsuit is crucial to reduce the potential thermal damage.

Daylight

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

Sunshine

The average sunshine in December 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 reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: In December, a regular UV index of 1 translates into these guidelines:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.