Climate and monthly weather forecast
Frankfort, MI

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The Point Betsie Lighthouse in Frankfort, Michigan
The Point Betsie Lighthouse in Frankfort, Michigan

The climate of Frankfort

Situated in Michigan, USA, Frankfort falls under the Köppen climate classification of Dfb. This translates into a humid continental climate, demonstrating no dry season and warm summers. A discernible shift from cold, snowy winters to warm, humid summers characterizes the weather pattern in this region.

The temperature in Frankfort ranges from a chilly 20.7°F (-6.3°C) in the winter months to around 71.2°F (21.8°C) during the peak of summer. Relative humidity levels hover between 77% in the drier months to as high as 85% in the wetter months. An analysis of the rainfall data reveals a variation of 0.43" (11mm) in February to a maximum of 0.91" (23mm) in October. Days constituting rainfall ranges from a minimum of 2.6 in February to a considerable increase of 11 in July.

On the other hand, snowfall can be observed mainly in the winter months, peaking at 1.06" (27mm) in January. The number of days with snowfall sees a high of 11.8 days in January and reduces significantly to 0.2 days in May. Hourly daylight varies from a low of 8.9 hours in December to a high of 15.5 hours in June, with sunshine hours parallelling a similar trend. Winds, in Frankfort, fluctuate from a gentle breeze of 9.3mph (15km/h) in July to stronger gusts peaking at 21.9mph (35.2km/h) in November.

The best time to visit Frankfort

Considering the variations in weather conditions, the optimal time to visit Frankfort would likely be in July and August. During these summer months, temperatures peak at 71.2°F (21.8°C) and 70.2°F (21.2°C) respectively, and visitors can often enjoy long hours of daylight, around 15.2 and 14 hours. This period witnesses an average of 10 days of rain per month, meaning clear sunny days are quite prevalent. With humidity levels at manageable levels of 81% and 79%, and wind speeds relatively low at around 9.3mph (15km/h) to 10.1mph (16.3km/h), this is the ideal time for outdoor activities.

The worst time to visit Frankfort

Contrary to the pleasant summer months, Frankfort’s winters can be harsh. January and February record temperatures as low as 20.7°F (-6.3°C), coupled with higher wind speeds of up to 14.9mph (24km/h) and 14.4mph (23.2km/h), respectively. The peak of winter in January also sees 1.06" (27mm) of snowfall spanning across 11.8 days. Furthermore, daylight hours drastically dip to between 9.3 and 10.5, substantially limiting visibility and activities during these months. Thus, winter months might not be an agreeable time for visits, especially for those intolerant to extreme cold conditions.

Spring weather in Frankfort

Spring introduces a significant improvement in the weather conditions from the cold winters. Beginning from March, temperatures start to climb from around 35.2°F (1.8°C) and reach up to 54°F (12.2°C) in May. Rainfall slightly increases, peaking at 0.75" (19mm) by May. The onset of spring also brings daylight hours between 12 to 14.8 across the period. However, snowfall is still a slight possibility during the early spring months of March and April.

Summer weather in Frankfort

Summer showcases the best of Frankfort’s climate. From June to August, the temperatures rise further, culminating in a peak at 71.2°F (21.8°C) during July. Rainfall registers an average of 0.71" (18mm) to 0.79" (20mm), with the length of days extending to a maximum of 15.5 hours in June. The relative humidity and wind speeds begin to decrease, making outdoor activities more enjoyable.

Autumn weather in Frankfort

Transitioning from the warmth of the summer, autumn in Frankfort witnesses a gradual decline in temperatures, from 65.8°F (18.8°C) in September to around 42.6°F (5.9°C) by November. Rainfall reaches its maximum at 0.91" (23mm) in October, with an average of 10.6 days of rainfall. And while daylight hours start reducing from 12.5 in September to about 9.6 in November, this season still commands fair weather conditions favorable for visiting Frankfort.

Winter weather in Frankfort

The onset of winter exhibits a significant drop in temperatures from about 42.6°F (5.9°C) in November to a low of 20.7°F (-6.3°C) by January. Snowfall marks its presence with 0.79" (20mm) of snow in December, further increasing to about 1.06" (27mm) in January. Daylight hours in this season are shortest, dipping as low as 8.9 hours in December. Coupled with higher wind speeds, this makes winter quite severe in Frankfort. While the weather might seem challenging, winter brings its own charm for those who enjoy snowy landscapes and winter sports.

Weather in January

January brings about a chilly atmosphere to Frankfort, Michigan, quite characteristic of the bracing temperatures of winter. The month begins on a generally freezing note, setting a steady pace for the elements of the season. Whimsical snowfall can transform the landscape into a frosted wonderland. Weather in January »

Weather in February

The hush of winter persists into February and is not dissimilar to January. However, Frankfort does experience a faint recovery in temperatures compared to the previous month. Winds blowing from Lake Michigan introduce a certain crispness to the air. Weather in February »

Weather in March

As the town welcomes the spring, March signifies a certain vivacity returning to the air in Frankfort. The frigid airs of winter slowly yield to mild and balmy breezes. This month shows the first inklings of an increase in daylight hours. Weather in March »

Weather in April

Spring is in its prime in April. There is a pleasant upswing in temperatures, hinting toward the approaching summer. More sunshine-filled days signal to longer and warmer afternoons, infusing life into both the people and nature. Yet, for all its charm, April records one of the highest numbers of rainfall days at 9.8, receiving 0.71" (18mm) of rainfall. Weather in April »

Weather in May

May ushers in the vibrant stage of spring with the warm sun banishing the last vestiges of winter. The mercury continues to rise, and the days become longer and more sun-lit. The partial cloud coverage and an increase in relative humidity prepares the way for summer, a harbinger of the rain-soaked months to follow. Weather in May »

Weather in June

Being the gateway to summer, June in Frankfort experiences the effects of longer, hotter days. Occasional cool breezes from Lake Michigan offer respite from the heat. The days stretch the longest during this month, with over 15.5 hours of daylight. Weather in June »

Weather in July

July is the zenith of summer in Frankfort, marked by its warmest temperatures. It serves as an ideal time to partake in outdoor activities, adventures, and beach festivities owing to the extended daylight. Evenings turn magical with sublime sunsets and soft autumn temperatures. Weather in July »

Weather in August

August carries forward the warmth of July but prepares to bid adieu to the heat. A significant decrease in temperatures is not noticeable. However, there is a subtle move toward autumn, as the daylight gradually starts to retreat. Weather in August »

Weather in September

September marks the commencement of autumn in Frankfort. The nights get longer, temperatures dip, but the days remain comfortably warm. The leaves start changing, offering a riot of colors that are a treat for the eyes. The move from summer to fall is marked by a decrease in average maximum temperatures to 65.8°F (18.8°C). Weather in September »

Weather in October

With autumn firmly setting in, October brings a noticeable drop in temperatures compared to previous months. The cityscape changes to hues of orange and brown as trees shed their leaves. The shorter daylight hours and the crispiness in the air can be felt profoundly. Weather in October »

Weather in November

As November rolls in, Frankfort prepares for winter. The last of the autumn leaves fall, and the temperatures continue their drop. The earlier sunsets and the chill in the air signify the nearness of the cold month. Snow showers make a comeback with 0.35" (9mm) of snowfall occurring over approximately 4.4 days. Weather in November »

Weather in December

December in Frankfort signifies the full onset of winter, complete with lower temperatures and shorter daylight hours. The town is adorned with festive decorations and the spirit of the holiday season enlivens the atmosphere. With the mercury dipping further, conditions are ideal for snowfall. Weather in December »
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest in Frankfort?

The coldest month is January, with an average high-temperature of 27.3°F (-2.6°C) and an average low-temperature of 20.7°F (-6.3°C).

What is the most humid month in Frankfort?

With an average relative humidity of 85%, January is the most humid month in Frankfort, Michigan.

How many days does it rain in Frankfort?

Throughout the year, in Frankfort, Michigan, there are 94.1 rainfall days, and 7.83" (199mm) of precipitation is accumulated.

When does it snow in Frankfort?

January through May, October through December are months with snowfall.

When does it snow the most in Frankfort?

January is the month with the most snowfall in Frankfort. Snow falls for 11.8 days and accumulates 1.06" (27mm) of snow.

How much does it snow in Frankfort?

In Frankfort, Michigan, during the entire year, snow falls for 46 days and aggregates up to 3.82" (97mm) of snow.

What is the month with the least sunshine in Frankfort?

The month with the least sunshine in Frankfort, Michigan, is January, with an average of 1.9h of sunshine.

What is the month with the lowest UV index in Frankfort?

The months with the lowest UV index in Frankfort are January and December, with an average maximum UV index of 1.

What is the driest month in Frankfort?

The month with the least rainfall in Frankfort is February, when the rain falls for 2.6 days and typically collects 0.43" (11mm) of precipitation.

When is Daylight Saving Time (DST) in Frankfort?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Frankfort, Michigan, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.

What are the least humid months in Frankfort?

April, October and November, with an average relative humidity of 77%, are the least humid months in Frankfort, Michigan.

When it does not snow in Frankfort?

In Frankfort, snow does not fall in June through September.

When are the longest days in Frankfort?

The month with the longest days is June, with an average of 15h and 30min of daylight.

What are the months with the highest UV index in Frankfort?

The months with the highest UV index in Frankfort are June through August, with an average maximum UV index of 5.

What month has the most sunshine in Frankfort?

The month with the most sunshine is July, with an average of 10.5h of sunshine.

What are the warmest months in Frankfort?

Frankfort's August weather reaches an average high of 71.2°F (21.8°C) and an average low of 62.8°F (17.1°C), making it the warmest month.

What is the wettest month in Frankfort?

The month with the most rainfall in Frankfort is October, when the rain falls for 10.6 days and typically aggregates up to 0.91" (23mm) of precipitation.

What is the month with the shortest days in Frankfort?

The month with the shortest days in Frankfort, Michigan, is December, with an average of 8h and 54min of daylight.

Average temperature
Frankfort, MI

Average temperature - Frankfort, MI

The warmest month (with the highest average high temperature) is August (71.2°F).
The month with the lowest average high temperature is January (27.3°F).

The month with the highest average low temperature is August (62.8°F).
The coldest months (with the lowest average low temperature) are January and February (20.7°F).

Average pressure
Frankfort, MI

Average pressure - Frankfort, MI

The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed
Frankfort, MI

Average wind speed - Frankfort, MI

The windiest month (with the highest average wind speed) is January (14.9mph).
The calmest month (with the lowest average wind speed) is July (9.3mph).

Average humidity
Frankfort, MI

Average humidity - Frankfort, MI

The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are April, October and November (77%).

Average rainfall
Frankfort, MI

Average rainfall - Frankfort, MI

The wettest month (with the highest rainfall) is October (0.91").
The driest month (with the least rainfall) is February (0.43").

Average rainfall days
Frankfort, MI

Average rainfall days - Frankfort, MI

The month with the highest number of rainy days is July (11 days).
The month with the least rainy days is February (2.6 days).

Average snowfall
Frankfort, MI

Average snowfall - Frankfort, MI

The month with the highest snowfall is January (1.06").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Frankfort, MI

Average snowfall days - Frankfort, MI

The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Frankfort, MI

Average daylight / Average sunshine - Frankfort, MI

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 1h and 54min).

Average sunshine days
Frankfort, MI

Average sunshine days - Frankfort, MI

The months with the most sunshine days are March and May (18.8 days).
The month with the least sunshine days is February (14.6 days).

Average UV index
Frankfort, MI

Average UV index - Frankfort, 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 and December (UV index 1).

Average visibility
Frankfort, MI

Average visibility - Frankfort, MI

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Frankfort, Michigan, USA

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