May weather forecastSault Ste. Marie, MI

May
Weather in May
By May, Sault Ste. Marie embraces the fully formed spring, with the city morphing into a green and vibrant landscape. The snowfall drops to a mere 0.1 inch, hinting at the arrival of summer as the days get warmer. With lush greenery stretching across the city, outdoor activities, from hiking to picnics, become the norm. May showcases the vibrance and energy of spring in full swing in this city. The month is a perfect time to enjoy the outdoors before summer officially kicks off.Temperature
The shift into May in Sault Ste. Marie is characterized by a rise in the average high-temperature, transitioning from April's frosty 49.5°F (9.7°C) to an enjoyable 62.8°F (17.1°C). Sault Ste. Marie anticipates a stark contrast in temperature during May nights, with an average low of 40.8°F (4.9°C).Rainfall
In May, in Sault Ste. Marie, the rain falls for 11.2 days. Throughout May, 2.56" (65mm) of precipitation is accumulated. In Sault Ste. Marie, during the entire year, the rain falls for 162.9 days and collects up to 32.95" (837mm) of precipitation.Snowfall
Months with snowfall in Sault Ste. Marie are January through May, October through December. May is the last month it regularly snows in Sault Ste. Marie. During 0.4 snowfall days, in May, Sault Ste. Marie aggregates 0.12" (3mm) of snow. Throughout the year, in Sault Ste. Marie, there are 79.2 snowfall days, and 120.39" (3058mm) of snow is accumulated.Ocean temperature
In Sault Ste. Marie, the average seawater temperature in May is 37.4°F (3°C).Note: In the realm of swimming, this is life-threatening and fraught with danger. The cold water triggers intense discomfort and leads to swift hyperventilation. Donning a specialized swimsuit is essential to curb thermal harm.
Daylight
In Sault Ste. Marie, the average length of the day in May is 15h and 2min.On the first day of May in Sault Ste. Marie, sunrise is at 6:21 am and sunset at 8:47 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 9:22 pm EDT.
Sunshine
In Sault Ste. Marie, Michigan, the average sunshine in May is 9h.UV index
In May, the average daily maximum UV index in Sault Ste. Marie is 6. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily maximum UV index of 6 in May interprets into the following advice:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Sault Ste. Marie, MI
- Average high temperature in May: 62.7°F
The warmest month (with the highest average high temperature) is July (76.2°F).
The month with the lowest average high temperature is January (23°F).
- Average low temperature in May: 40.9°F
The month with the highest average low temperature is August (54.5°F).
The coldest month (with the lowest average low temperature) is January (7.6°F).
Average rainfall in May
Sault Ste. Marie, MI
- Average rainfall in May: 2.6"
The wettest months (with the highest rainfall) are September and October (3.8").
The driest month (with the least rainfall) is February (1.3").
Average rainfall days in May
Sault Ste. Marie, MI
- Average rainfall days in May: 11.2 days
The month with the highest number of rainy days is December (18.8 days).
The months with the least rainy days are April and August (10.9 days).
Average snowfall in May
Sault Ste. Marie, MI
- Average snowfall in May: 0.1"
The month with the highest snowfall is December (33.5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Sault Ste. Marie, MI
- Average snowfall days in May: 0.4 days
The month with the highest number of snowfall days is January (19.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average sea temperature in May
Sault Ste. Marie, MI
- Average sea temperature in May: 37°F
The best month for swimming (with the highest average sea temperature) is August (59°F).
The coldest months (with the lowest average sea temperature) are February, March and April (36°F).
Average daylight in May /
Average sunshine in May
Sault Ste. Marie, MI
- Average daylight in May: 15h and 0min
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 42min).
- Average sunshine in May: 9h and 0min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is November (Average sunshine: 2h and 18min).
Average UV index in May
Sault Ste. Marie, MI
- Average UV index in May: 6
The month with the highest UV index is July (UV index 8).
The months with the lowest UV index are January, November and December (UV index 1).





