Mackinaw City Weather in May
May in Mackinaw City sees daytime temperatures around 16°C (61°F) and lows of 5°C (41°F) at night. With around 64 mm (2.5 in) of rainfall expected, it's worth packing a rain jacket.
Rainfall in Mackinaw City in May
You can typically expect 12 days of rain this month, averaging around 64 mm (2.5 in). Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.
Temperature in Mackinaw City in May
May in Mackinaw City sees highs of 16°C (61°F) and lows of 5°C (41°F) overnight. Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights drop to 5°C (41°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.For Mackinaw City itself, June, July and August generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Mackinaw City's climate page.
Mackinaw City Temperature in May
Min Temperature
5°C (41°F)
Max Temperature
16°C (61°F)
Chance of Rain
40%
Precipitation
64 mm (2.5 in)
Rainy days
12 days
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Mackinaw City typically rise from around 14°C (57°F) at the start of May to approximately 20°C (68°F) by the end. Nights are cold, with lows typically ranging from 2°C (36°F) to 9°C (48°F).
Average temperatures in May
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather for Mackinaw City in May
Browse day-by-day weather records for Mackinaw City spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Mackinaw City historical weather extremes in May
Based on 50 years of weather observations in Mackinaw City between 1976 and 2026, these are the recorded extremes.
- On May 29, 1978, temperatures climbed to 34°C (93°F), marking the warmest May day on record.
- Mackinaw City registered its coldest May night on May 4, 2005, with temperatures dropping to -7°C (19°F).
Best Places in the United States of America in May
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in May →
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What to Wear in Mackinaw City in May
For Mackinaw City in May, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket.What To Do in Mackinaw City in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Mackinaw City's climate page.
See the full Mackinaw City climate overview or explore weather in the United States of America.
