Last updated: April 22, 2025
In May, Sault Ste. Marie, Canada experiences a delightful transition into spring, characterized by maximum temperatures reaching 26°C (79°F) while the average hovers around 10°C (50°F). However, the weather can still exhibit a chill, with minimum temperatures dipping to -3°C (27°F). This month sees about 75 mm (2.9 in) of precipitation spread over 9 days, contributing to a humidity level of 74%, which can add a refreshing feel to the air. Enjoy the vibrant blooms and the dynamic weather patterns that make May a unique time to explore this beautiful Canadian city.
As spring unfolds, May in Sault Ste. Marie, Canada, brings a refreshing warmth that marks a stark contrast to the harsh winter months. With temperatures ranging from a minimum of -3°C (27°F) to a pleasant maximum of 26°C (79°F), the average temperature settles at a comfortable 10°C (50°F). This significant rise from the preceding months showcases a transition from frosty mornings to balmy afternoons, inviting residents and visitors alike to embrace the outdoors. As the region shakes off the chill of winter, May acts as a herald of summer, enabling a vibrant revival of nature and offering endless opportunities for exploration.
In May, Sault Ste. Marie experiences a significant shift in precipitation patterns, with 75 mm (2.9 in) of rainfall over 9 days. This amount, while slightly lower than the preceding month of April with its 88 mm (3.5 in), contributes to a consistent buildup of moisture leading into the wetter months. Compared to other spring months, May provides a balanced mix of rainfall before the heavier downpours in June, which typically sees a marked increase to 113 mm (4.4 in). Despite a decrease in precipitation compared to April, May maintains a vital role in the region's overall hydrological cycle, ensuring that the early growth of summer vegetation is well-supported.
As spring transitions into summer, May brings a noticeable shift in humidity levels in Sault Ste. Marie, with an average of 74%. This is a significant decrease from the winter months when humidity hovered around 95% in January, gradually easing to 87% by April. This drop in humidity not only marks the arrival of warmer temperatures but also signifies the onset of more comfortable weather conditions as the region prepares for summer. Following May, humidity stabilizes further in June and July, dipping to 72% and 69% respectively, indicating a trend toward drier, more pleasant days. Such fluctuations highlight the seasonal changes that define the climate in this northern Canadian city.
In May, Sault Ste. Marie experiences a significant uptick in the UV Index, reaching an impressive 8, which categorizes it as very high. This trend showcases a shift from the relatively mild conditions seen in earlier months—where January began with a low exposure category and a burn time of 45 minutes. By May, the burn time sharply decreases to just 15 minutes, highlighting the necessity for increased sun protection. As the month unfolds, residents are advised to stay vigilant as the intensity of UV radiation approaches levels that demand more preventive measures against skin damage. For further details on the UV Index trends throughout the year, visit Sault Ste. Marie UV Index.
UV Risk Categories
In Sault Ste. Marie, Canada, May heralds a delightful shift towards sunnier days, boasting an impressive 305 hours of sunshine. This marks a significant increase from the 239 hours in April, setting the stage for the vibrant summer months ahead. As nature awakens and the flowers bloom, residents and visitors alike revel in the warm embrace of longer days. May's sunshine not only uplifts spirits but also serves as a precursor to June's peak of 326 hours. This early burst of sunlight signals a gradual trend, where the hours of daylight steadily climb, reaching their zenith in July with 347 hours. The steady increase in sunshine from April through May showcases the beauty of seasonal change, making Sault Ste. Marie a captivating destination for those seeking warmth and brightness during these spring months.
As spring transitions into summer, May heralds a shift in Sault Ste. Marie's weather, showcasing a notable increase in the likelihood of sunny days. With a 51% chance of sunshine, May stands out as a bright spot compared to the earlier months, such as January and February with their mere 18% and 22% respectively. This uptick indicates not just the arrival of warmer temperatures but also a welcome embrace of sunshine after the more cloudy and variable days of April, which offers a 32% chance. Following May, the summer months continue to shine, peaking in July with a 57% likelihood of sunny weather. As May unfolds, residents and visitors alike can anticipate a delightful embrace of outdoor adventures under clearer skies.
As spring transitions into summer, Sault Ste. Marie, Canada, experiences a notable increase in daylight, peaking in May with 15 hours of sun. This month marks a significant turning point, as daylight rapidly extends from 13 hours in April, illuminating the shores and inviting outdoor activities. Following May, daylight remains consistent at 15 hours in June, July, and August, creating a vibrant atmosphere for residents and visitors alike. As autumn approaches, daylight begins its gradual decline, dropping to 12 hours in September and further decreasing to 10 hours by October. This cyclical pattern illustrates the town's beautiful seasonal shifts, with each month offering a unique blend of light and life.
In Sault Ste. Marie, Canada, the month of May brings with it a gentle breeze, averaging 3.3 m/s (7 mph). This slight dip from the more blustery spring months of March and April, where wind speeds peak at 4.1 m/s (9 mph) and 3.9 m/s (9 mph) respectively, contributes to a more tranquil atmosphere. While February marks a notable increase in wind activity, May's moderate conditions pave the way for lush growth as the city transitions into summer. Interestingly, the trend in wind speeds tends to decline heading into summer months, with July experiencing the calmest conditions at 2.6 m/s (6 mph). Overall, May serves as a delightful period of transition, balancing the lively gusts of earlier spring with the soft whispers of impending summer.
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 May'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.
May and January present a striking contrast in weather conditions. In May, temperatures range from a chilly -3°C (27°F) at night to a pleasant 26°C (79°F) during the day, with an average of 10°C (50°F). The month experiences about 75 mm (2.9 in) of precipitation over 9 days, complemented by a moderate humidity of 74%. In contrast, January is significantly colder, with temperatures plunging to a minimum of -34°C (-28°F) and only reaching a maximum of 5°C (41°F), averaging around -9°C (17°F). Although January receives slightly less precipitation at 46 mm (1.8 in) over 10 days, the humidity is considerably higher at 95%. For more detailed information, check Sault Ste. Marie weather in January.
May and February present stark contrasts in weather conditions. In May, temperatures range from a minimum of -3°C (27°F) to a pleasant average of 10°C (50°F), with maximum highs reaching 26°C (79°F). This month sees about 75 mm (2.9 in) of precipitation over roughly 9 days, accompanied by a humidity level of 74%. Conversely, February is characterized by much colder weather, with temperatures plunging to a minimum of -27°C (-16°F) and an average of -8°C (17°F), peaking at only 7°C (45°F). February experiences similar precipitation levels at 63 mm (2.5 in), but it stretches across 12 days and has a higher humidity of 94%. For a detailed look at February weather, you can refer to Sault Ste. Marie weather in February.
May and March present distinct weather contrasts in terms of temperature and conditions. In March, temperatures range from a chilly minimum of -22°C (-8°F) to a maximum of 12°C (53°F), with an average of -4°C (26°F). The month sees about 54 mm (2.1 in) of precipitation over 10 days, coupled with a high humidity level of 89%. In contrast, May warms up significantly, with temperatures ranging from a minimum of -3°C (27°F) to a pleasant maximum of 26°C (79°F) and an average temperature of 10°C (50°F). Although it experiences slightly more precipitation at 75 mm (2.9 in) across 9 days, the overall feel of the month is more humid at 74%. For a deeper dive into the March conditions, you can check Sault Ste. Marie weather in March.
In comparing the weather of April and May, it's clear that May experiences a significant warming trend. The average temperature in May is 10°C (50°F), a marked increase from April's average of 2°C (37°F). Additionally, the maximum temperature in May can reach as high as 26°C (79°F), while April's maximum is limited to 17°C (64°F). However, April sees more precipitation, with 88 mm (3.5 in) over 14 days, compared to May's 75 mm (2.9 in) over 9 days. Humidity levels are also slightly lower in May at 74%, compared to April’s 87%. For more detailed insights on April weather, you can visit Sault Ste. Marie weather in April.
In comparing the weather between May and June, it's evident that June brings warmer temperatures and slightly higher humidity. May experiences a broader range in temperatures, ranging from a chilly minimum of -3°C (27°F) to a pleasant maximum of 26°C (79°F), with an average of 10°C (50°F). In contrast, June's minimum temperature is milder at 3°C (38°F), with an average temperature of 16°C (61°F) and a peak reaching 29°C (85°F).
While May sees a total precipitation of 75 mm (2.9 in) over 9 days, June has increased rainfall, totaling 113 mm (4.4 in) across 10 days. Additionally, June’s humidity levels are slightly lower at 72%, compared to May's 74%. For a more detailed look at weather in June, visit Sault Ste. Marie weather in June.
In May, temperatures can vary significantly, with lows reaching as low as -3°C (27°F) and highs peaking at 26°C (79°F), resulting in an average temperature of about 10°C (50°F). The month experiences around 75 mm (2.9 in) of precipitation over 9 days, along with a relatively high humidity of 74%. In contrast, July brings warmer weather, with minimum temperatures of 9°C (49°F), average temperatures around 19°C (67°F), and maximums hitting 30°C (87°F). Precipitation in July is similar at 74 mm (2.9 in), but it falls over only 7 days, and the humidity lowers slightly to 69%. For more details about July weather, visit Sault Ste. Marie weather in July.
May and August present distinct weather profiles in Sault Ste. Marie. In May, temperatures range from a chilly -3°C (27°F) at night to a comfortable 26°C (79°F) during the day, with an average temperature of 10°C (50°F). The month experiences moderate rainfall of 75 mm (2.9 in) over about 9 days, coupled with a humidity level of 74%. In contrast, August brings warmer weather with minimum temperatures of 6°C (44°F), average highs of 19°C (66°F), and a peak at 28°C (83°F). Precipitation increases to 112 mm (4.4 in) over 11 days, while humidity slightly decreases to 72%. For more details, you can view Sault Ste. Marie weather in August.
May and September present contrasting weather experiences. In May, temperatures range from a chilly minimum of -3°C (27°F) to a pleasantly warm average of 10°C (50°F), peaking at a comfortable 26°C (79°F). The month sees moderate precipitation of 75 mm (2.9 in) over about 9 days and maintains a humidity level of 74%. In contrast, September offers a more consistent warmth, with minimum temperatures around 2°C (36°F) and an average of 14°C (58°F), reaching a maximum of 29°C (85°F). However, it also brings increased rainfall, with 114 mm (4.5 in) distributed over 13 days and slightly higher humidity at 77%. For a detailed look at September weather, visit Sault Ste. Marie weather in September.
May and October present distinct weather contrasts. In May, temperatures range from a minimum of -3°C (27°F) to a pleasant average of 10°C (50°F) and can reach up to 26°C (79°F). The month sees relatively moderate precipitation of 75 mm (2.9 in) spread over about 9 days, with a humidity level of 74%. In contrast, October is cooler, with temperatures dropping to a minimum of -8°C (19°F) and an average of 8°C (47°F), peaking at 23°C (73°F). Rainfall increases significantly to 134 mm (5.3 in) over 16 days, accompanied by higher humidity at 85%. For a more detailed look at October's weather dynamics, check out Sault Ste. Marie weather in October.
May and November present quite contrasting weather patterns. In May, temperatures range from a chilly minimum of -3°C (27°F) to a warm maximum of 26°C (79°F), with an average of 10°C (50°F). The month experiences around 75 mm (2.9 in) of precipitation over roughly 9 days, with a humidity level of 74%. In contrast, November features colder temperatures, with a minimum plunging to -20°C (-3°F) and an average of 0°C (32°F), while the maximum reaches only 20°C (69°F). Precipitation slightly increases to 78 mm (3.1 in) over about 15 days, alongside a higher humidity of 88%. For more detailed insights, check Sault Ste. Marie weather in November.
The weather in May is characterized by a wide temperature range, with a minimum of -3°C (27°F) and a maximum of 26°C (79°F), resulting in an average temperature of 10°C (50°F). This month sees about 75 mm (2.9 in) of precipitation over roughly 9 days, and the humidity levels hover around 74%, creating a moderately comfortable atmosphere.
In contrast, December brings much colder conditions, with temperatures plummeting to a minimum of -29°C (-20°F) and peaking at just 12°C (53°F), leading to an average temperature of -5°C (23°F). Although precipitation is slightly lower at 67 mm (2.7 in), it occurs over more days, averaging 14 days of rainfall or snowfall. Additionally, the humidity is higher at 92%, contributing to a more oppressive cold.
For a detailed look at December weather patterns, you can visit Sault Ste. Marie weather in December.
As May unfolds in Sault Ste. Marie, it marks a vibrant transition to warmer days following the chill of winter. With temperatures notably rising, the city experiences a refreshing burst of warmth, contrasting sharply with the lingering cold of earlier months. However, April showers often continue into May, contributing to the higher humidity levels and a fair share of rainy days. This blend of conditions creates a unique atmosphere, as the landscapes bloom into spring, providing a stark departure from the colder, drier months. To delve deeper into how May's climate compares throughout the year, explore more at Sault Ste. Marie Climate.