Climate and monthly weather forecastMackinaw City, MI

Climate and monthly weather forecast
The climate of Mackinaw City
The predominant climate in Mackinaw City, Michigan, USA, is classified as Dfb under the Köppen climate classification, indicative of a Humid Continental climate with no dry season and warm summers. This classification is largely due to its geographical position, nestled in the northern region of Michigan's Lower Peninsula.Dfb climates are characterized by significant temperature variation throughout the year, and Mackinaw City exhibits this feature quite vividly. Throughout the course of each year, the mean high temperature fluctuates from a cold 23.4°F (-4.8°C) in January to a pleasant 71.4°F (21.9°C) in July. Similarly, the mean low temperature ranges from a chilling 14.7°F (-9.6°C) in January to a more comfortable 58.6°F (14.8°C) in August.
Typical weather factors such as humidity and cloud cover also vary throughout the year, with the former peaking at 89% in both January and February, and the latter having a high of 80% in January, diminishing to a low of 32% in both July and August. Additionally, visibility throughout the year remains steady between 5 to 6 miles.
Rainfall and snowfall present distinct patterns throughout the year. January and February receive the highest snowfall, nearing 5.91" (150mm) and 5.67" (144mm), respectively. On the contrary, rainfall is most significant in October with an average of 2.72" (69mm) of rain.
The best time to visit Mackinaw City
With the combination of weather factors into account, the prime time to visit Mackinaw City appears to be from June through to August. Temperatures during this span range from 63.5°F (17.5°C) to 71.4°F (21.9°C), quite pleasant for outdoor activities. Rainfall is moderate, and the region experiences the highest average daylight hours, ranging from 15 hours to 15.7 hours per day.The worst time to visit Mackinaw City
The period from late fall to early spring, specifically from November to March, could be ranked as the least appealing time for visits. The mean temperature dwells between 23.4°F (-4.8°C) and 42.3°F (5.7°C) for these months, with the chilliest months being January and February. Coupled with substantial snowfall and reduced visibility, travel and outdoor activities may be hindered.Spring weather in Mackinaw City
Springtime in Mackinaw City, from March to May, sees a steady elevation in temperatures, with highs ranging from 32.7°F (0.4°C) to 55°F (12.8°C) and lows from 22.3°F (-5.4°C) to 41.4°F (5.2°C). The period is paired with increased daylight hours and modest rainfall, making it welcoming for visitors seeking relatively mild weather and greener landscapes.Summer weather in Mackinaw City
Summer, stretching from June to August, is the most temperate season in Mackinaw City. The average high temperature ranges from 63.5°F (17.5°C) to 71.4°F (21.9°C), and low temperature ranges from 49.5°F (9.7°C) to 58.6°F (14.8°C). The weather is most conducive for outdoor activities during this period.Autumn weather in Mackinaw City
Mackinaw City's autumn season, from September through November, presents a mixed bag in weather conditions. Average high temperatures drop between 64.8°F (18.2°C) and 40.3°F (4.6°C), while average lows range from 53.1°F (11.7°C) down to 32.9°F (0.5°C). Rainfall peaks in October with an average of 2.72" (69mm), and snow begins to make an appearance in November.Winter weather in Mackinaw City
Winters, spanning December through February, are marked by severe cold in Mackinaw City, with average lows ranging from 23°F (-5°C) in February to 14.7°F (-9.6°C) in January. Snowfall is frequent during these months, with January receiving the highest volume at 5.91" (150mm).Weather in January
Mackinaw City, Michigan, experiences a clear transition from the prior year, with low temperatures and heightened snowfall. The frigid chill of January paired with the lingering short daylight hours, calls for thick coats and snow boots. Weather in January »Weather in February
If January introduces the Michigan winter, February reinforces it. The city is still under the umbrella of winter, but with slightly higher temperatures, shorter snowfall, and increased daylight hours. Residents continue to experience the frostbite cold, making warm dressing an essential for the daily routines. Weather in February »Weather in March
The advent of March marks the beginning of gradual transition from harsh winter to calmer spring. March weather displays an upward trend in temperatures and longer daylight hours, putting the winter's relentless cold on a retreat. Weather in March »Weather in April
Signifying the heart of spring, weather in April takes a decisive step away from winter's frigid temperatures. Temperatures rise steadily, daylight hours increase, and flower patches start to replace the melted snow piles, altering the landscape. Weather in April »Weather in May
Weather in May acknowledges the full arrival of spring, marking a significant deviation from April. The pleasant sunshine becomes a constant companion, extending daylight hours, spurring nature, and lifting locals' spirits. Temperature variations moderate, while the expanded color palette revives the city's vistas, meaning increased outdoor adventures. Weather in May »Weather in June
June ushers in the much-anticipated summer, promising longer sunny days. Mackinaw's residents relish the change, enjoying the comfortable warmth, extended daylight hours, and the ability to spend ample time outside. Activities shift towards water-based recreation, from boat cruises to swimming and fishing. Weather in June »Weather in July
As summer peaks in July, the month basks in its warmest weather. Locals enjoy the period's stability, marked by longer daylight hours and reduced rainfall. Summer activities continue unabated, ensuring the city buzzes with recreational and leisurely pursuits. Weather in July »Weather in August
August in Mackinaw City continues July’s warm trend, albeit slightly cooler. Locals relish the last of the summer's extended sunshine, amid reduced rain and continued outdoor activities. This month, while being part of the warm season, begins to hint at an approaching transition. Weather in August »Weather in September
September in Mackinaw City welcomes the onset of fall, although the temperatures remain relatively warm. The daylight hours shorten, but the sun-drenched days ensure enjoyable outdoor activities. The clear weather combined with the fall colors makes the city a picturesque sight. Weather in September »Weather in October
In October, Mackinaw City fully embraces autumn. Fall foliage peaks during this month, decorating the city in vibrant hues of orange, red, and yellow. The warmth of summer is replaced by more crisp days and cool nights, calling for layers and jackets. Weather in October »Weather in November
November in Mackinaw City heralds a clear departure from fall and a steady transition into winter. The city prepares for the harsh winter weather ahead, and residents swap autumn leaves for winter gear. Snow begins to appear and the temperatures start declining, leading to increased indoor interactions and reduced outdoor activities. Weather in November »Weather in December
Finally, December in Mackinaw City welcomes the full onslaught of winter. The snow-covered landscape, frigid temperatures, and brief daylight hours create a festive backdrop for the holiday season. Residents bundle up and festive lights adorn homes and streets, creating a unique winter atmosphere. Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Mackinaw City, MI
The warmest month (with the highest average high temperature) is July (71.4°F).
The month with the lowest average high temperature is January (23.4°F).
The month with the highest average low temperature is August (58.6°F).
The coldest month (with the lowest average low temperature) is February (14.4°F).
Average pressure
Mackinaw City, MI
- Average pressure in January:
30.01"Hg - Average pressure in February:
30.03"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
29.98"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.94"Hg - Average pressure in August:
29.94"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
29.96"Hg - Average pressure in November:
30.02"Hg - Average pressure in December:
30.02"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Mackinaw City, MI
- Average wind speed in January:
10.4mph - Average wind speed in February:
10mph - Average wind speed in March:
9.3mph - Average wind speed in April:
9.8mph - Average wind speed in May:
8.5mph - Average wind speed in June:
7.6mph
- Average wind speed in July:
7.6mph - Average wind speed in August:
8.1mph - Average wind speed in September:
8.5mph - Average wind speed in October:
10.3mph - Average wind speed in November:
10.9mph - Average wind speed in December:
10.9mph
The windiest months (with the highest average wind speed) are November and December (10.9mph).
The calmest months (with the lowest average wind speed) are June and July (7.6mph).
Average humidity
Mackinaw City, MI
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is May (75%).
Average rainfall
Mackinaw City, MI
- Average rainfall in January:
1.3" - Average rainfall in February:
1.34" - Average rainfall in March:
1.5" - Average rainfall in April:
2.36" - Average rainfall in May:
1.69" - Average rainfall in June:
1.93"
- Average rainfall in July:
1.46" - Average rainfall in August:
1.65" - Average rainfall in September:
1.73" - Average rainfall in October:
2.72" - Average rainfall in November:
1.81" - Average rainfall in December:
1.73"
The wettest month (with the highest rainfall) is October (2.72").
The driest month (with the least rainfall) is January (1.3").
Average rainfall days
Mackinaw City, MI
- Average rainfall days in January:
5.8 days - Average rainfall days in February:
5.3 days - Average rainfall days in March:
8.4 days - Average rainfall days in April:
11.9 days - Average rainfall days in May:
13.3 days - Average rainfall days in June:
11.5 days
- Average rainfall days in July:
13 days - Average rainfall days in August:
13.8 days - Average rainfall days in September:
11.4 days - Average rainfall days in October:
16.5 days - Average rainfall days in November:
10.9 days - Average rainfall days in December:
9.2 days
The month with the highest number of rainy days is October (16.5 days).
The month with the least rainy days is February (5.3 days).
Average snowfall
Mackinaw City, MI
- Average snowfall in January:
5.91" - Average snowfall in February:
5.67" - Average snowfall in March:
4.21" - Average snowfall in April:
2.56" - Average snowfall in May:
0.12" - Average snowfall in June:
0"
The month with the highest snowfall is January (5.91").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Mackinaw City, MI
- Average snowfall days in January:
21.9 days - Average snowfall days in February:
18.3 days - Average snowfall days in March:
12.5 days - Average snowfall days in April:
7.1 days - Average snowfall days in May:
0.8 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
2 days - Average snowfall days in November:
11.8 days - Average snowfall days in December:
19.2 days
The month with the highest number of snowfall days is January (21.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Mackinaw City, MI
- Average daylight in January:
9h and 12min - Average daylight in February:
10h and 24min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 36min - Average daylight in May:
15h and 0min - Average daylight in June:
15h and 42min
- Average daylight in July:
15h and 18min - Average daylight in August:
14h and 6min - Average daylight in September:
12h and 30min - Average daylight in October:
10h and 54min - Average daylight in November:
9h and 30min - Average daylight in December:
8h and 42min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in January:
1h and 54min - Average sunshine in February:
2h and 42min - Average sunshine in March:
4h and 42min - Average sunshine in April:
6h and 36min - Average sunshine in May:
8h and 54min - Average sunshine in June:
9h and 42min
- Average sunshine in July:
10h and 6min - Average sunshine in August:
9h and 54min - Average sunshine in September:
7h and 48min - Average sunshine in October:
4h and 48min - Average sunshine in November:
3h and 42min - Average sunshine in December:
2h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 1h and 54min).
Average sunshine days
Mackinaw City, MI
- Average sunshine days in January:
7.1 days - Average sunshine days in February:
8.6 days - Average sunshine days in March:
12.4 days - Average sunshine days in April:
12.8 days - Average sunshine days in May:
15.7 days - Average sunshine days in June:
16.5 days
- Average sunshine days in July:
16.3 days - Average sunshine days in August:
15.4 days - Average sunshine days in September:
16.9 days - Average sunshine days in October:
11.5 days - Average sunshine days in November:
11.1 days - Average sunshine days in December:
7.6 days
The month with the most sunshine days is September (16.9 days).
The month with the least sunshine days is January (7.1 days).
Average UV index
Mackinaw City, MI
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover
Mackinaw City, MI
The month with the most cloud cover is January (Cloud cover 80).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility
Mackinaw City, MI
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).





