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Sault Ste Marie, MI Climate

Temperature, precipitation, and comfort score from NOAA NCEI 1991-2020 normals →

30-year climate normals from 1 weather station (1991-2020).

Sault Ste Marie, Michigan has an average annual temperature of 41°F and a climate comfort score of 47/100 (Moderate). Annual precipitation totals 35.8", including 117.4" of snow. Based on NOAA 30-year normals (1991–2020).

Avg Temperature

41°F (5°C)

Avg High

50°F

Avg Low

31°F

Annual Precip

35.8"

Annual Snow

117.4"

Comfort Score

47/100

Moderate

Climate Comfort Score

47/100

Moderate

Avg Annual Temperature

41°F

30-year mean (NOAA NCEI)

Annual Precipitation

35.8"

Plus 117.4" of snow

Comfort score vs national 100-point ceiling (Sault Ste Marie) 47.0%
National median (≈55)

PlainClimate composite — temperature mildness, humidity, precipitation, extreme-weather frequency. Moderate for the Sault Ste Marie area.

Warming context for Sault Ste Marie

Methodology

How the U.S. land temperature anomaly tracks against the global mean since 1900. The current NOAA 1991-2020 normal for Sault Ste Marie captures average conditions across the spread shown — the most recent decade is warmer than the 30-year mean.

Warming context — U.S. vs global, with Paris reference lines Anomaly chart from 1900 to 2024. Local series shows warming of 0.11 °C per decade versus a global rate of 0.11 °C per decade (ratio 1.00). Paris Agreement thresholds at 1.5 and 2.0 °C are dashed. -1.0°C -0.5°C +0.0°C +0.5°C +1.0°C +1.5°C +2.0°C +2.5°C Paris 1.5°C Paris 2.0°C 1900192019401960198020002020
  • United States land mean (NOAA NCEI) +0.11 °C/decade
  • Global anomaly (NASA GISTEMP) +0.11 °C/decade
  • Paris Agreement thresholds 1.5°C / 2.0°C
Sources: NOAA NCEI, NASA GISTEMP. Paris thresholds per IPCC AR6 WG1.

Monthly Temperatures

Average daily high and low temperatures by month

Month Avg High Avg Low Mean
January 23°F (-5°C) 4°F (-16°C) 13°F (-10°C)
February 25°F (-4°C) 4°F (-16°C) 14°F (-10°C)
March 35°F (1°C) 13°F (-11°C) 24°F (-5°C)
April 47°F (8°C) 27°F (-3°C) 37°F (3°C)
May 62°F (17°C) 39°F (4°C) 51°F (10°C)
June 72°F (22°C) 49°F (9°C) 60°F (16°C)
July 76°F (25°C) 54°F (12°C) 65°F (18°C)
August 75°F (24°C) 54°F (12°C) 65°F (18°C)
September 68°F (20°C) 47°F (8°C) 57°F (14°C)
October 53°F (12°C) 36°F (2°C) 45°F (7°C)
November 40°F (5°C) 27°F (-3°C) 33°F (1°C)
December 29°F (-2°C) 15°F (-10°C) 22°F (-6°C)

Monthly Precipitation

Average monthly rainfall and snowfall

January 2.5"

Snow: 28.6"

20.1 days with precipitation

February 1.7"

Snow: 24.0"

16.1 days with precipitation

March 1.9"

Snow: 13.5"

12.8 days with precipitation

April 2.7"

Snow: 7.6"

12.3 days with precipitation

May 2.6"

Snow: 0.5"

11.7 days with precipitation

June 3.0"

12.0 days with precipitation

July 3.1"

11.2 days with precipitation

August 3.1"

11.7 days with precipitation

September 3.8"

13.6 days with precipitation

October 4.6"

Snow: 1.2"

17.6 days with precipitation

November 3.6"

Snow: 14.3"

17.2 days with precipitation

December 3.0"

Snow: 27.7"

19.0 days with precipitation

Frost Dates & Growing Season

First Fall Freeze

October 4

50% probability date

Last Spring Freeze

May 22

50% probability date

Heating & Cooling Degree Days

Annual totals indicate energy demand for heating and cooling

Heating Degree Days

9,083

Higher = more heating needed

Cooling Degree Days

201

Higher = more cooling needed

Warmest Month

July

Coldest Month

January

Related Data

Climate Guides

Climate Insight: Sault Ste Marie, MI

The NOAA 1991–2020 climate normals describe Sault Ste Marie, Michigan as a location with an annual average temperature of 41°F, ranging from a mean daily high of 50°F to a mean daily low of 31°F. July is typically the warmest month of the year, while January is the coldest. These thirty-year averages, computed from station USC00207364, smooth out year-to-year variability and give a baseline expectation for typical conditions in any given month.

Precipitation patterns matter as much as temperature for anyone planning to live, garden, or travel here. Sault Ste Marie receives roughly 35.8 inches of precipitation each year, with 117.4 inches typically falling as snow. Growing-season length varies with elevation and microclimate, with the last spring freeze near May 22 and the first fall freeze near October 4. For energy use, 9,083 heating degree days and 201 cooling degree days tell the story of how often furnaces and air conditioners run during a normal year.

On PlainClimate's composite comfort index, Sault Ste Marie scores 47/100 (Moderate), a blended measure that weighs temperature mildness, precipitation moderation, and extreme-weather frequency against one another. Use the monthly tables above to plan around specific windows — shoulder seasons for mild highs and lows, peak summer for July-driven heat, or deep winter for January-driven cold. All figures here are thirty-year averages: any single year may run warmer, wetter, drier, or cooler than the normal, so treat them as planning guidance rather than forecasts.

Frequently Asked Questions

What is the average temperature in Sault Ste Marie, MI?
The average annual temperature in Sault Ste Marie, Michigan is 41°F. The warmest month averages 76°F (25°C) and the coldest averages 4°F (-16°C).
How much rain does Sault Ste Marie get?
Sault Ste Marie receives 35.8 inches of precipitation annually, including 117.4 inches of snow. Based on NOAA 30-year climate normals (1991-2020).
What is the comfort score for Sault Ste Marie?
Sault Ste Marie has a climate comfort score of 47/100 (Moderate). This score considers temperature mildness, humidity, precipitation, and extreme weather frequency.
When is the growing season in Sault Ste Marie?
Growing season data is not available for Sault Ste Marie.
How much energy does heating and cooling require in Sault Ste Marie?
Sault Ste Marie has 9,083 heating degree days and 201 cooling degree days annually. Higher heating degree days indicate greater winter energy demand, while higher cooling degree days indicate greater summer cooling needs.
Where does this Sault Ste Marie climate data come from?
All climate data comes from NOAA U.S. Climate Normals v1.0.1, covering the 30-year period from 1991 to 2020. Data is collected from weather station USC00207364. These 30-year averages are the standard reference for typical weather conditions.

Data Sources

Data source: NOAA U.S. Climate Normals v1.0.1 (1991-2020). Station: USC00207364. For informational purposes only.

Related

Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainClimate Editorial