Monthly weather forecast and climate
Sault Ste. Marie, Canada

What is the coldest month in Sault Ste. Marie?

January is the coldest month, with an average high-temperature of -6°C (21.2°F) and an average low-temperature of -16°C (3.2°F).

How many days does it rain in Sault Ste. Marie?

In Sault Ste. Marie, during the entire year, the rain falls for 170 days and collects up to 971mm (38.2") of precipitation.

What is the driest month in Sault Ste. Marie?

February is the month with the least rainfall. Rain falls for 15 days and accumulates 55mm (2.2") of precipitation.

What month is the sea coldest in Sault Ste. Marie?

Month with the coldest seawater in Sault Ste. Marie is March, with an average sea temperature of 0.4°C (32.7°F). 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.

What is the warmest month in Sault Ste. Marie?

July is the warmest month in Sault Ste. Marie, Canada, with an average high-temperature of 24°C (75.2°F) and an average low-temperature of 11°C (51.8°F).

When is the sea warmest in Sault Ste. Marie?

August is the month with the warmest seawater in Sault Ste. Marie, Canada, with an average sea temperature of 19°C (66.2°F). For swimming, a surface water temperature of 19°C (66.2°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

What is the rainiest month in Sault Ste. Marie?

The month with the most rainfall is September when the rain falls for 14 days and typically aggregates up to 101mm (4") of precipitation.
Average rainfall - Sault Ste. Marie, Canada
Average rainfall days - Sault Ste. Marie, Canada

Months with the highest number of rainy days are January and December (20 days).
The month with the lowest number of rainy days is July (10 days).

Average sea temperature - Sault Ste. Marie, Canada

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 / Average sunshine - Sault Ste. Marie, Canada
Average UV index - Sault Ste. Marie, Canada
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