Climate and monthly weather forecast
Monroe, MI

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The climate of Monroe

Monroe, sitting in the Heartland of Michigan, USA, experiences a Humid Continental climate. This climate, denoted as Dfa in the Köppen climate classification, is characterized by four distinct seasons with a hot summer and no dry season. Monroe embraces a unique blend of weather conditions throughout the year, with changes observable in each weather parameter.

Temperature fluctuations from January to December are significant. Minimum temperatures average from 19°F in January to 64°F in July, with maximum temperatures spanning from 29.7°F in January to 80.2°F in July. Humidity levels in Monroe witness slight variations, concentrating between 75% in October and 85% from January to February.

Rainfall ranges from a minimum of 0.39" in September to a peak of 1.06" from May to June. On comparing the number of rainy days, April holds the recorded high with 12.2 days, while December features the least, averaging 6.1 days. Snowfall typically occurs between January and April, and again in November and December. The most significant amount of snowfall, 1.02", is seen in February with January being the month recording the most snowfall days, totalling 9.7.

The best time to visit Monroe

For those looking to enjoy the warm summer months, July offers the highest average temperature at 80.2°F. The humidity is not overbearing, with an average relative humidity of 78%. Sunshine is plentiful in July, providing approximately 10.3 hours of sunlight per day. It's also a suitable time to enjoy swimming activities, with the sea temperature averaging at a warm 76°F.

The worst time to visit Monroe

January, with its average low temperature of 19°F, chilly sea temperature of around 33.2°F, and short daylight hours of 9.5 hours, can be considered the least favourable period for visitors. Furthermore, snowfall in January is relatively high, at 0.79" spread over 9.7 days, which may cause disruptions to travel plans.

Spring weather in Monroe

Spring in Monroe brings a significant rise in temperatures from the winter's cold. The season starts in March, with temperatures ranging from 29.7°F to 43.3°F, reaching up to 54.9°F by May. Rainfall gradually increases through spring, from 0.63" in March to a considerable 1.06" by May. Cloud coverage reduces progressively, resulting in increased sunshine hours.

Summer weather in Monroe

Summer in Monroe brings a warm and sunny weather pattern. Maximum temperatures stretch from 67.1°F in June to 80.2°F in July, only to reduce slightly to 78.3°F in August. July is the month with the maximum number of sunshine hours, averaging 10.3 hours per day, ensuring plenty of time for outdoor activities.

Autumn weather in Monroe

Autumn in Monroe is palpable with a steady decline in temperatures, receding from an average high of 72.5°F in September to 46.6°F in November. Despite the decrease in temperature, the daylight hours remain considerably long, with an average of 11.1 hours in October. Rainfall increases throughout this season, culminating in 0.71" in October.

Winter weather in Monroe

December marks the beginning of the winter season in Monroe, bringing with it stark shifts in weather parameters. Average high temperatures nosedive to 35.8°F by December. Snowfall becomes frequent from December till February, with January recording the highest snowfall, close to 0.79" on average. Weather during this period tends to be cloudy, impacting the amount of daylight received. Despite the cold, Monroe's winter lends the city a unique charm, blanketed in snow.

Weather in January

The Monroe, Michigan weather in January signals the height of winter with extremely chilly temperatures. The cold atmosphere from December persists throughout the month, keeping the city in a frozen state. Notable fluctuations from the high temperatures of 29.7°F to the low temperatures of 19°F result in snowfall measuring 0.79". Weather in January »

Weather in February

February follows the harsh winter patterns of January, with a very slight increase in temperature. The city stays both cloudy and humid, presenting a dull winter landscape. Sleet and snow continue to fall, with 1.02" of snowfall recorded in this short month. Weather in February »

Weather in March

March in Monroe, Michigan ushers in signs of spring with a noticeable rise in temperature. Residents begin to experience longer daylight hours, contributing to the slow melt of winter's residue. This month's weather notably sees average high temperatures of 43.3°F and low temperatures of 29.7°F. Weather in March »

Weather in April

April takes Monroe, Michigan’s weather out of the reins of winter, bringing in more warmth. A noticeable change from March is the increased rain, resulting in a greener environment. The sea temperature also increases significantly, hinting at the forthcoming summer season. Weather in April »

Weather in May

May marks the official arrival of summer in Monroe, Michigan, with a noticeable rise in temperature. The longer daylight hours coupled with the prominent sunshine offers the ideal weather for outdoor activities. This month records the maximum temperature of 67.1°F, setting the stage for the approaching peak summer. Weather in May »

Weather in June

June continues the headline of high temperatures set by May in Monroe, Michigan. The month is known for its blue skies, mellow nights, and very pleasant afternoons. The most defining climatological aspect of June is the 9.9 hours of sunshine, the abundant sunlight encouraging outdoor gatherings and events. Weather in June »

Weather in July

July in Monroe, Michigan experiences the highest temperatures of the year. The increased humidity and frequent sunshine make outdoor activities very enjoyable despite the heat. Unsurprisingly, the highest temperature recorded in the city peaks at 80.2°F in this month. Weather in July »

Weather in August

August carries over July's warmth while ushering in slightly cooler evenings in Monroe, Michigan. The sea temperature, although receding, remains ideal for swimming and other water activities. Despite slight temperature decreases, it notably maintains an average high of 78.3°F, signifying the residual influence of the summer heat. Weather in August »

Weather in September

September in Monroe, Michigan is a fusion of summer warmth and the hint of incoming autumn. The temperatures cool down, and the trees begin to showcase their vibrant fall foliage. The humidity and hours of sunshine decrease, providing ideal weather for outdoor activities like biking and trekking. Weather in September »

Weather in October

October brings significant changes to Monroe, Michigan's climate. The city witnesses a sharp decline in temperature, a conspicuous reduction in daylight hours, and increased rainfall. The autumn colors of native trees cover the city, providing a beautiful backdrop for recreational pursuits. Weather in October »

Weather in November

November in Monroe, Michigan marks the transition from the fall season to winter, bringing along colder temperatures. The increased cloud coverage and decreased daylight hours prepare the city for the impending winter weather. Weather in November »

Weather in December

December wraps up the year with Monroe, Michigan covered in snow and cold temperatures prevailing. The arrival of winter is signified by shorter days, longer nights, and less sunshine. Among the significant shifts this month is the recorded snowfall of 0.39". Weather in December »
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FAQ

What part of the year is the coldest in Monroe?

Monroe experiences its lowest temperatures in January, with an average peak of 29.7°F and a low of 19°F.

What are the most humid months in Monroe?

The months with the highest humidity in Monroe are January and February, with an average relative humidity of 85%.

How much does it rain in Monroe?

In Monroe, Michigan, during the entire year, the rain falls for 103.1 days and collects up to 8.66" of precipitation.

When does it snow in Monroe?

Months with snowfall are January through April, November and December.

How much does it snow in Monroe?

In Monroe, during the entire year, snow falls for 32.9 days and aggregates up to 3.27" of snow.

What is the month with the least sunshine in Monroe?

The month with the least sunshine in Monroe, Michigan, is January, with an average of 3.2h of sunshine.

What is the snowiest month in Monroe?

February is the month with the most snowfall in Monroe. Snow falls for 7.8 days and accumulates 1.02" of snow.

When is the ocean coldest in Monroe?

February is the month with the coldest seawater, with an average ocean temperature of 32.5°F.

When is Daylight Saving Time (DST) in Monroe?

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from EDT to EST.

What is the rainiest month in Monroe?

The wettest months in Monroe, Michigan, are May, June and August, with an average 1.06" of rainfall.

When it does not snow in Monroe?

May through October are months without snowfall in Monroe.

When are the longest days in Monroe?

June has the longest days of the year in Monroe, with an average of 15h and 12min of daylight.

When is the highest UV index in Monroe?

The months with the highest UV index are June through August, with an average maximum UV index of 6.

What time of the year is the hottest in Monroe?

Temperature records mark July as the warmest month, with highs averaging 80.2°F and lows at 64°F.

What month has the most sunshine in Monroe?

With an average of 10.3h of sunshine, July has the most sunshine of the year in Monroe.

When is the ocean warmest in Monroe?

The month with the warmest seawater is August, with an average ocean temperature of 76.5°F.

What is the driest month in Monroe?

The month with the least rainfall in Monroe is September, when the rain falls for 9.5 days and typically collects 0.39" of precipitation.

What is the least humid month in Monroe?

With an average relative humidity of 75%, October is the least humid month in Monroe, Michigan.

What is the month with the shortest days in Monroe?

The month with the shortest days in Monroe, Michigan, is December, with an average of 9h and 12min of daylight.

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

December is the month with the lowest UV index in Monroe, with an average maximum UV index of 1.

Average pressure
Monroe, MI

Average pressure - Monroe, MI

The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed
Monroe, MI

Average wind speed - Monroe, MI

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

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Average humidity
Monroe, MI

Average humidity - Monroe, MI

The months with the highest relative humidity are January and February (85%).
The month with the lowest relative humidity is October (75%).

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Average rainfall
Monroe, MI

Average rainfall - Monroe, MI

The wettest months (with the highest rainfall) are May, June and August (1.06").
The driest month (with the least rainfall) is September (0.39").

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Average rainfall days
Monroe, MI

Average rainfall days - Monroe, MI

The month with the highest number of rainy days is May (12.2 days).
The month with the least rainy days is January (4.3 days).

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Average snowfall
Monroe, MI

Average snowfall - Monroe, MI

The month with the highest snowfall is February (1.02").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days
Monroe, MI

Average snowfall days - Monroe, MI

The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average sea temperature
Monroe, MI

Average sea temperature - Monroe, MI

The best month for swimming (with the highest average sea temperature) is August (76.4°F).
The coldest month (with the lowest average sea temperature) is February (32.6°F).

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Average daylight / Average sunshine
Monroe, MI

Average daylight / Average sunshine - Monroe, MI

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).

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Average sunshine days
Monroe, MI

Average sunshine days - Monroe, MI

The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is April (14.9 days).

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Average visibility
Monroe, MI

Average visibility - Monroe, 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).

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Monroe, Michigan, USA

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