December weather forecastSault Ste. Marie, Canada

December

Weather in December

December, the first month of the winter in Sault Ste. Marie, is still a freezing cold month, with an average temperature ranging between max -2.7°C (27.1°F) and min -8.1°C (17.4°F).

Temperature

As November transitions to December, the average high-temperature in Sault Ste. Marie, Canada, falls from a cold 3.4°C (38.1°F) to a subzero cold -2.7°C (27.1°F). Throughout the nights in December, an average low-temperature of -8.1°C (17.4°F) is noted in Sault Ste. Marie.

Humidity

In December, the average relative humidity in Sault Ste. Marie is 89%.

Rainfall

In Sault Ste. Marie, in December, during 7 rainfall days, 44mm (1.73") of precipitation is typically accumulated. Throughout the year, in Sault Ste. Marie, there are 123.6 rainfall days, and 567mm (22.32") of precipitation is accumulated.

Snowfall

Months with snowfall in Sault Ste. Marie, Canada, are January through May, October through December. In Sault Ste. Marie, in December, snow falls for 19.6 days, with typically accumulated 225mm (8.86") of snow. Throughout the year, in Sault Ste. Marie, there are 101.9 snowfall days, and 1154mm (45.43") of snow is accumulated.

Sea temperature

In Sault Ste. Marie, in December, the average water temperature is 4.4°C (39.9°F).
Note: Within the context of swimming, this state is extremely cold, dangerous, and can result in death. Hypothermia happens quickly in the absence of protective insulated waterproof clothing.

Daylight

December has the shortest days of the year in Sault Ste. Marie, with an average of 8h and 36min of daylight.
On the first day of the month, sunrise is at 8:01 am and sunset at 4:51 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

In December, the average sunshine in Sault Ste. Marie is 2.3h.

UV index

January, February, 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 estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.
Note: During December, 1 as the daily maximum UV index converts into the following advice:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Enhance your sun protection with tightly woven, yet airy clothing. Take note! UV radiation from the Sun can double in intensity due to snow reflection.

Updated: Feb 5, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Sault Ste. Marie in December has an average high-temperature of -2.7°C (27.1°F) and an average low-temperature of -8.1°C (17.4°F).

The average relative humidity in December in Sault Ste. Marie is 89%.

In Sault Ste. Marie, Canada, in December, it is raining for 7 days, with typically 44mm (1.73") of accumulated precipitation.

In Sault Ste. Marie, Canada, in December, snow falls for 19.6 days, with typically accumulated 225mm (8.86") of snow.

In Sault Ste. Marie, Canada, the average seawater temperature in December is 4.4°C (39.9°F). For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

The month with the shortest days in Sault Ste. Marie, Canada, is December, with an average of 8h and 36min of daylight.

In Sault Ste. Marie, Canada, the average day length in December is 8h and 39min.

On the first day of December, sunrise is at 8:01 am and sunset at 4:51 pm. On the last day of the month, sunrise is at 8:21 am and sunset at 5:00 pm EST.

The average sunshine duration in December in Sault Ste. Marie, Canada, is 2.3h.

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1.

In December, the average daily maximum UV index in Sault Ste. Marie, Canada, is 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

3.4°C

-2.7°C

-6.1°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

13.5km/h

13.2km/h

12.8km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

13.1

19.6

23.8

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

10.3

8.6

7.7

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Sault Ste. Marie, Canada

Average high temperature in December: -2.7°C

The warmest month (with the highest average high temperature) is July (23.3°C).
The month with the lowest average high temperature is January (-6.1°C).

Average low temperature in December: -8.1°C

The month with the highest average low temperature is August (12.1°C).
The coldest month (with the lowest average low temperature) is February (-13.4°C).

Average pressure in December
Sault Ste. Marie, Canada

Average pressure in December: 1016.6mbar

The month with the highest atmospheric pressure is March (1018.9mbar).
The month with the lowest atmospheric pressure is June (1013.2mbar).

Average wind speed in December
Sault Ste. Marie, Canada

Average wind speed in December: 12.2km/h

The windiest month (with the highest average wind speed) is April (12.7km/h).
The calmest months (with the lowest average wind speed) are July and August (10.3km/h).

Average humidity in December
Sault Ste. Marie, Canada

Average humidity in December: 89%

The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is May (73%).

Average rainfall in December
Sault Ste. Marie, Canada

Average rainfall in December: 44mm

The wettest month (with the highest rainfall) is October (80mm).
The driest months (with the least rainfall) are January and February (38mm).

Average rainfall days in December
Sault Ste. Marie, Canada

Average rainfall days in December: 7 days

The month with the highest number of rainy days is October (16 days).
The month with the least rainy days is February (3.1 days).

Average snowfall in December
Sault Ste. Marie, Canada

Average snowfall in December: 225mm

The month with the highest snowfall is January (250mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Sault Ste. Marie, Canada

Average snowfall days in December: 19.6 days

The month with the highest number of snowfall days is January (23.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average sea temperature in December
Sault Ste. Marie, Canada

Average sea temperature in December: 4.4°C

The best month for swimming (with the highest average sea temperature) is August (19°C).
The coldest month (with the lowest average sea temperature) is March (0.4°C).

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

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: 2h and 18min

The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 0min).

Average sunshine days in December
Sault Ste. Marie, Canada

Average sunshine days in December: 8.6 days

The month with the most sunshine days is May (16.6 days).
The month with the least sunshine days is January (7.7 days).

Average UV index in December
Sault Ste. Marie, Canada

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).