August Weather in Sault Ste. Marie, Canada

Last updated: April 22, 2025

August in Sault Ste. Marie, Canada delivers a delightful mix of summer warmth and refreshing breezes. With maximum temperatures reaching 28°C (83°F) and an average of 19°C (66°F), residents and visitors can enjoy pleasant outdoor activities. The month experiences a cooler minimum temperature of 6°C (44°F), providing a comfortable respite from the day’s heat. However, be prepared for occasional showers, as 112 mm (4.4 in) of rain falls over 11 days, contributing to a humidity level of 72% that enhances the lushness of the local landscape. Embrace the charm of late summer in this picturesque city!

August Temperature in Sault Ste. Marie

In Sault Ste. Marie, Canada, August presents a delightful transition into late summer, with temperatures showcasing a pleasant balance. The month sees a minimum of around 6°C (44°F), climbing to an average of 19°C (66°F), and peaking at a maximum of 28°C (83°F). This warming trend is a stark contrast to the frigid depths of winter, where January's temperatures plunge to an unforgiving -34°C (-28°F). As the summer reaches its zenith, locals and visitors alike embrace the comfortable warmth, perfect for outdoor activities amidst the stunning natural scenery. With its gently rising temperatures, August is a time when Sault Ste. Marie truly shines, inviting everyone to savor the last bursts of summer before the coolness of autumn sets in.

August Weather in Sault Ste. Marie: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Sault Ste. Marie, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec161725365061676558473223
Data source: Temperature data for Sault Ste. Marie generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Sault Ste. Marie

In August, Sault Ste. Marie experiences a significant increase in precipitation with an impressive total of 112 mm (4.4 in), making it one of the wettest months of the year. This period typically sees 11 precipitation days, contributing to lush summer landscapes. Following a relatively dry July, August’s rainfall paves the way for a transition into fall, where September continues the trend with 114 mm (4.5 in). The pattern suggests that while summer offers moderate rainfall, the onset of autumn brings heightened moisture levels, reinforcing the importance of August as a pivotal month in Sault Ste. Marie's annual precipitation cycle.

August Precipitation Trends in Sault Ste. Marie

The chart displays monthly precipitation patterns in Sault Ste. Marie, with values for each month alongside August's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec4663548875113741131141347867
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Sault Ste. Marie

In August, Sault Ste. Marie experiences a relative humidity of 72%, marking a slight increase from the lower humidity levels of July, which stood at 69%. This trend reflects the gradual transition from the dry warmth of summer towards the more humid conditions typical of the fall months. As temperatures begin to cool, humidity levels rise again, peaking at 77% in September. Overall, the August climate offers a balance, where the air remains comfortably humid, fostering a pleasant environment just before the seasonal shift.

August Average Humidity in Sault Ste. Marie

This chart illustrates the average monthly humidity levels in Sault Ste. Marie, with August's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how August's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec95%94%89%87%74%72%69%72%77%85%88%93%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Sault Ste. Marie

In August, the UV Index in Sault Ste. Marie remains impressively high at 8, classified as very high, which means residents and visitors alike should be cautious about sun exposure. This index is slightly lower than the peak of 9 seen in both June and July, but it still demands vigilance since the burn time is just 15 minutes for fair-skinned individuals. Throughout the summer months, the trend of increasing UV intensity illustrates the importance of sun protection strategies, especially during midday hours. As summer transitions to fall, the UV Index begins to decline, dropping to 7 in September. For more details on UV trends throughout the year, explore the Sault Ste. Marie UV Index.

Maximum UV Index Levels in Sault Ste. Marie for August

The chart shows the monthly maximum UV Index (UVI) for Sault Ste. Marie in August, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec245789987532
Data source: Sault Ste. Marie August UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

August Sunshine in Sault Ste. Marie

As summer reaches its zenith, August in Sault Ste. Marie shines brightly with 320 hours of sunshine, a wonderful culmination of the vibrant months preceding it. This period mirrors a delightful trend where daylight hours steadily increase, starting from a modest 101 hours in January and blossoming to a peak of 347 hours in July. The lush landscapes bask in the warm glow, yet the sunny days begin to taper off into the fall, signaling a gradual decline as September offers 258 hours. Overall, August presents a spectacular opportunity to relish the outdoors, enjoying the lingering warmth before autumn sets in, making it a perfect time for both relaxation and adventure in this charming Canadian locale.

Monthly Sunshine Duration in Sault Ste. Marie: August Highlighted

The August sunshine duration represents the total number of hours Sault Ste. Marie experiences direct sunlight during the month of August, excluding cloudy or obstructed periods. This chart compares the sunshine duration of August with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec101h148h232h239h305h326h347h320h258h185h123h104h
Data source: Sault Ste. Marie August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Sault Ste. Marie During August

In Sault Ste. Marie, August offers a 49% chance of sunny weather, making it one of the more favorable months for enjoying the outdoors. As summer reaches its peak, the likelihood of sunshine builds from a modest 18% in January to a robust 57% in July. While August sees a slight dip from the previous month, it maintains a solid chance of clear skies compared to other times of the year, like April's 32% or October's 31%. This trend illustrates that while the summer may be winding down, there's still plenty of opportunity for sun-soaked adventures in this beautiful Canadian city.

Percentage of Sunny Days in August in Sault Ste. Marie

The chart illustrates the percentage of sunny days in Sault Ste. Marie throughout the year, with August highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Sault Ste. Marie experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec18%22%41%32%51%41%57%49%46%31%28%16%
Data source: Sault Ste. Marie August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Sault Ste. Marie in August

In Sault Ste. Marie, Canada, the daylight duration experiences a vibrant transformation throughout the year. Starting from January with just 9 hours of daylight, the city gradually awakens as the months advance. By February, the sun lingers a bit longer at 10 hours, and by March, daylight extends to 11 hours. The arrival of April ushers in a sunnier atmosphere, boasting 13 hours, which paves the way for a stunning May with 15 hours of daylight. This peak in sunlight continues into June and July, each offering the same generous duration. As August approaches, the daylight begins to wane slightly to 14 hours, signaling the gradual shift towards autumn. Following this peak, September sees a noticeable dip to 12 hours, and as the seasons change, daylight diminishes to 10 hours in October, before settling at 9 and 8 hours in the final months of the year. This rhythmic pattern of light reflects the ebb and flow of the seasons, painting a vivid portrait of time in this northern locale.

Average Daylight Hours in Sault Ste. Marie for August

The chart illustrates the variation in daylight duration in Sault Ste. Marie throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 2m10h 19m11h 57m13h 36m15h 1m15h 44m15h 21m14h 5m12h 29m10h 50m9h 22m8h 37m
Data source: Sault Ste. Marie daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Sault Ste. Marie

In Sault Ste. Marie, Canada, August brings a gentle breeze with an average wind speed of 3.0 m/s (7 mph), maintaining a calm that is characteristic of late summer. As the seasons shift, we see a notable trend in wind patterns: after a slight peak in March and April, where winds average around 4.1 m/s (9 mph), speeds gradually decline entering the summer months. July experiences the year's lowest average at 2.6 m/s (6 mph) before a slight uptick in August. This trend reflects a comforting lull in the wind’s embrace, offering a serene atmosphere perfect for outdoor activities, while anticipatory whispers of fall begin to stir as September approaches with its elevated winds of 3.4 m/s (8 mph).

Average August Wind Speed in Sault Ste. Marie

The chart displays monthly wind speed patterns in Sault Ste. Marie, with values for each month shown alongside August's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how August's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.93.54.13.93.33.12.63.0 m/s3.42.93.44.2
Data source: Sault Ste. Marie August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Sault Ste. Marie Compares to Other Months

The weather in Sault Ste. Marie changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of August's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Sault Ste. Marie and find detailed weather information for every month.

The comparison between August and January weather highlights the stark contrasts in temperature and conditions. August enjoys milder temperatures ranging from a minimum of 6°C (44°F) to a maximum of 28°C (83°F), with an average of 19°C (66°F) and significant humidity at 72%. In contrast, January experiences frigid temperatures that plunge to a minimum of -34°C (-28°F) and only reach a maximum of 5°C (41°F), averaging -9°C (17°F), coupled with high humidity at 95%. Additionally, while August sees 112 mm (4.4 in) of precipitation over 11 days, January has only 46 mm (1.8 in) over 10 days, making the winter months considerably drier despite the cold. For more detailed information, check out Sault Ste. Marie weather in January.

August and February present stark contrasts in weather conditions. In August, temperatures typically range from a mild 6°C (44°F) at night to a warm 28°C (83°F) during the day, with an average of 19°C (66°F). The month also sees considerable precipitation, totaling 112 mm (4.4 in) over 11 days, accompanied by a humidity level of 72%. In contrast, February is characterized by much colder temperatures, starting as low as -27°C (-16°F) and peaking at only 7°C (45°F), with a chilling average of -8°C (17°F). Although February experiences lower overall precipitation (63 mm or 2.5 in over 12 days), the humidity is higher at 94%, creating a more oppressive cold. For a detailed look at February weather, check out Sault Ste. Marie weather in February.

When comparing the weather in August and March, there is a dramatic shift in temperatures and conditions. August boasts milder temperatures, ranging from a minimum of 6°C (44°F) to a maximum of 28°C (83°F), with an average of 19°C (66°F). This warmer month also experiences significant rainfall, totaling 112 mm (4.4 in) across 11 days and an average humidity of 72%. In stark contrast, March is characterized by much colder temperatures, with lows hitting -22°C (-8°F) and highs only reaching 12°C (53°F), resulting in an average of -4°C (26°F). Additionally, March sees lower precipitation levels at 54 mm (2.1 in) over 10 days, though humidity is relatively high at 89%. These differences illustrate the seasonal extremes experienced in the region. For further insights into the conditions typical of March, visit Sault Ste. Marie weather in March.

When comparing the weather in August and April, significant differences stand out. August boasts a mild climate with average temperatures ranging from a low of 6°C (44°F) to a high of 28°C (83°F), while April experiences chillier conditions, with temperatures dipping as low as -13°C (10°F) and peaking at 17°C (64°F). Although both months encounter precipitation, August sees more rainfall (112 mm or 4.4 in) over fewer days (11 days) compared to April's 88 mm (3.5 in) spread across 14 days. Additionally, humidity levels are higher in April at 87%, compared to August’s 72%. For more details, visit Sault Ste. Marie weather in April.

August and May in Sault Ste. Marie present distinct weather patterns reflective of their seasonal transitions. In August, temperatures range from a chilly minimum of 6°C (44°F) to a warm average of 19°C (66°F), peaking at 28°C (83°F), while May experiences more dramatic fluctuations with minimum temperatures dipping to -3°C (27°F) and averaging around 10°C (50°F), reaching a maximum of 26°C (79°F). Additionally, August sees more precipitation at 112 mm (4.4 in) over 11 days compared to May's 75 mm (2.9 in) over 9 days, though humidity remains fairly similar, with August at 72% and May at 74%. For a deeper understanding of May's weather specifics, you can check Sault Ste. Marie weather in May.

In comparing the weather between August and June, both months experience similar average levels of humidity at 72% and comparable precipitation, with August receiving 112 mm over 11 days and June slightly higher at 113 mm over 10 days. However, temperature variations are notable; June has a cooler minimum temperature of 3°C (38°F) while August's minimum is slightly higher at 6°C (44°F). The average temperature in August rises to 19°C (66°F), compared to June's average of 16°C (61°F), making August generally warmer. Interestingly, both months see maximum temperatures reaching into the mid-20s, with June peaking at 29°C (85°F) and August closely following at 28°C (83°F). For more detailed insights on June weather, visit Sault Ste. Marie weather in June.

In comparing the weather of July and August, we see some notable differences. July tends to be warmer overall, with a minimum temperature of 9°C (49°F) and a maximum reaching 30°C (87°F), while August experiences cooler nights with a minimum of 6°C (44°F) and a slightly lower maximum of 28°C (83°F). Both months have similar average temperatures, around 19°C (66°F). However, August has significantly higher precipitation, totaling 112mm (4.4 in) over 11 days compared to July’s 74mm (2.9 in) across just 7 days, leading to a higher humidity level of 72% in August versus 69% in July. For more detailed insights on July's weather, you can check Sault Ste. Marie weather in July.

August and September show distinct differences in weather patterns. In August, temperatures range from a minimum of 6°C (44°F) to a maximum of 28°C (83°F), with an average of 19°C (66°F) and a relatively humid atmosphere at 72%. The month experiences 112 mm (4.4 in) of precipitation over 11 days. Conversely, September highlights a cooler profile, with temperatures dipping to a minimum of 2°C (36°F) and an average of 14°C (58°F), while still reaching a high of 29°C (85°F). Precipitation increases slightly to 114 mm (4.5 in) across 13 days, and humidity rises to 77%. For more detailed information, check Sault Ste. Marie weather in September.

August weather typically features warmer temperatures with a minimum of 6°C (44°F) and an average high of 28°C (83°F), making it a pleasant month overall. However, it also brings considerable humidity at 72% and precipitation around 112 mm (4.4 in) over 11 days. In contrast, October sees a significant drop in temperatures, with lows reaching -8°C (19°F) and an average maximum of 23°C (73°F). This month experiences higher humidity at 85% and increased rainfall, totaling 134 mm (5.3 in) over 16 days. For more specific details on the October weather in this region, you can see Sault Ste. Marie weather in October.

In comparing the weather of August and November, there are significant contrasts. August experiences milder temperatures, ranging from a minimum of 6°C (44°F) to a maximum of 28°C (83°F), with an average of 19°C (66°F), accompanied by 112 mm (4.4 in) of precipitation over 11 days and a humidity level of 72%. In contrast, November brings a sharp drop in temperatures, with a minimum of -20°C (-3°F) and an average of 0°C (32°F), peaking at 20°C (69°F). This month sees less precipitation at 78 mm (3.1 in) over 15 days but higher humidity at 88%. For more detailed insights about weather trends in November, you can check Sault Ste. Marie weather in November.

August and December present starkly contrasting weather conditions. In August, temperatures range from a mild 6°C (44°F) at night to a warm 28°C (83°F) during the day, with an average of 19°C (66°F). This month typically sees about 112 mm (4.4 in) of rainfall over 11 days, with humidity levels around 72%. In contrast, December brings frigid temperatures, with lows plunging to -29°C (-20°F) and daytime highs only reaching 12°C (53°F), averaging at -5°C (23°F). Precipitation decreases to 67 mm (2.7 in) spread over 14 days, and humidity rises to 92%, contributing to the cold, wintry atmosphere. For a detailed look at the December climate, check out Sault Ste. Marie weather in December.

Compare Sault Ste. Marie's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Sault Ste. Marie

As summer peaks in August, Sault Ste. Marie experiences a warm embrace with maximum temperatures reaching a comfortable 28°C. The month stands out with a vibrant average temperature of 19°C, significantly warmer than the chilly spring and fall months. However, it's not all sunshine, as the region sees occasional rainfall on about 11 days, contributing to an overall precipitation of 112 mm. The humidity levels hover around 72%, adding a touch of stickiness to the warmth, making the evenings particularly pleasant. For a deeper dive into the weather patterns throughout the year, visit Sault Ste. Marie Climate.