December weather forecast
Sault Ste. Marie, MI

The famous Soo Locks in Sault Ste. Marie, Michigan, with the deepwater section passage for large water vessels
The famous Soo Locks in Sault Ste. Marie, Michigan, with the deepwater section passage for large water vessels

Weather in December

December, the first month of the winter in Sault Ste. Marie, is also a subzero cold month, with an average temperature varying between 15.8°F (-9°C) and 28.6°F (-1.9°C).

Temperature

In December, the average high-temperature in Sault Ste. Marie drops from a wintry 40.1°F (4.5°C) in November to a subzero cold 28.6°F (-1.9°C). In Sault Ste. Marie, in December, the average low-temperature is 15.8°F (-9°C).

Rainfall

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

Snowfall

January through May, October through December are months with snowfall in Sault Ste. Marie. 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, the average seawater temperature in December is 39.2°F (4°C).
Note: For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.

Daylight

The month with the shortest days in Sault Ste. Marie is December, with an average of 8h and 39min of daylight.
On the first day of December in Sault Ste. Marie, Michigan, sunrise is at 8:00 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 8:21 am and sunset at 4:59 pm EST.

Sunshine

The average sunshine in December in Sault Ste. Marie, Michigan, is 2.5h.

UV index

The months with the lowest UV index in Sault Ste. Marie are January, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 1 in December interpret into the following advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in December in Sault Ste. Marie?

In December, in Sault Ste. Marie, the average high-temperature is 28.6°F (-1.9°C), and the average low-temperature is 15.8°F (-9°C).

How much does it rain in Sault Ste. Marie in December?

In Sault Ste. Marie, in December, during 18.8 rainfall days, 2.8" (71mm) of precipitation is typically accumulated.

When does it snow the most in Sault Ste. Marie?

The month with the most snowfall is December, when snow falls for 18 days and typically aggregates up to 33.5" (851mm) of snow.

How much does it snow in Sault Ste. Marie in December?

In Sault Ste. Marie, Michigan, in December, snow falls for 18 days, with typically accumulated 33.5" (851mm) of snow.

What is the water temperature in December in Sault Ste. Marie?

In Sault Ste. Marie, in December, the average water temperature is 39.2°F (4°C). For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

What is the month with the shortest days in Sault Ste. Marie?

December has the shortest days of the year in Sault Ste. Marie, Michigan, with an average of 8h and 39min of daylight.

What is the average length of the day in December in Sault Ste. Marie?

The average day length in December in Sault Ste. Marie, Michigan, is 8h and 39min.

When are sunrise and sunset in December in Sault Ste. Marie?

On the first day of December in Sault Ste. Marie, sunrise is at 8:00 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 8:21 am and sunset at 4:59 pm EST.

How long on average sun shines in December in Sault Ste. Marie?

In December, the average sunshine duration is 2.5h.

What are the months with the lowest UV index in Sault Ste. Marie?

The months with the lowest UV index in Sault Ste. Marie are January, November and December, with an average maximum UV index of 1.

How high is the UV index in December in Sault Ste. Marie?

In Sault Ste. Marie, Michigan, the average daily maximum UV index in December is 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to Sun's UV rays.
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average UV index

Average temperature in December
Sault Ste. Marie, MI

Average temperature in December - Sault Ste. Marie, MI
  • Average high temperature in December: 28.6°F

The warmest month (with the highest average high temperature) is July (76.2°F).
The month with the lowest average high temperature is January (23°F).

  • Average low temperature in December: 15.8°F

The month with the highest average low temperature is August (54.5°F).
The coldest month (with the lowest average low temperature) is January (7.6°F).

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Average rainfall in December
Sault Ste. Marie, MI

Average rainfall in December - Sault Ste. Marie, MI
  • Average rainfall in December: 2.8"

The wettest months (with the highest rainfall) are September and October (3.8").
The driest month (with the least rainfall) is February (1.3").

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Average rainfall days in December
Sault Ste. Marie, MI

Average rainfall days in December - Sault Ste. Marie, MI
  • Average rainfall days in December: 18.8 days

The month with the highest number of rainy days is December (18.8 days).
The months with the least rainy days are April and August (10.9 days).

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Average snowfall in December
Sault Ste. Marie, MI

Average snowfall in December - Sault Ste. Marie, MI
  • Average snowfall in December: 33.5"

The month with the highest snowfall is December (33.5").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Sault Ste. Marie, MI

Average snowfall days in December - Sault Ste. Marie, MI
  • Average snowfall days in December: 18 days

The month with the highest number of snowfall days is January (19.6 days).
The months with the least snowfall days are June, July and August (0 days).

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Average sea temperature in December
Sault Ste. Marie, MI

Average sea temperature in December - Sault Ste. Marie, MI
  • Average sea temperature in December: 39°F

The best month for swimming (with the highest average sea temperature) is August (59°F).
The coldest months (with the lowest average sea temperature) are February, March and April (36°F).

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Average daylight in December /
Average sunshine in December
Sault Ste. Marie, MI

Average daylight in December / Average sunshine in December - Sault Ste. Marie, MI
  • Average daylight in December: 8h and 39min

The month with the longest days is June (Average daylight: 15h and 46min).
The month with the shortest days is December (Average daylight: 8h and 39min).

  • Average sunshine in December: 2h and 30min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is November (Average sunshine: 2h and 18min).

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Average UV index in December
Sault Ste. Marie, MI

Average UV index in December - Sault Ste. Marie, MI
  • Average UV index in December: 1

The month with the highest UV index is July (UV index 8).
The months with the lowest UV index are January, November and December (UV index 1).

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