Climate and monthly weather forecastMonroe, MI
Climate and monthly weather forecast
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 (-7.2°C) in January to 64°F (17.8°C) in July, with maximum temperatures spanning from 29.7°F (-1.3°C) in January to 80.2°F (26.8°C) 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" (10mm) in September to a peak of 1.06" (27mm) 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" (26mm), 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 (26.8°C). 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 (24.4°C).The worst time to visit Monroe
January, with its average low temperature of 19°F (-7.2°C), chilly sea temperature of around 33.2°F (0.7°C), 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" (20mm) 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 (-1.3°C) to 43.3°F (6.3°C), reaching up to 54.9°F (12.7°C) by May. Rainfall gradually increases through spring, from 0.63" (16mm) in March to a considerable 1.06" (27mm) 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 (19.5°C) in June to 80.2°F (26.8°C) in July, only to reduce slightly to 78.3°F (25.7°C) 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 (22.5°C) in September to 46.6°F (8.1°C) 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" (18mm) 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 (2.1°C) by December. Snowfall becomes frequent from December till February, with January recording the highest snowfall, close to 0.79" (20mm) 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 (-1.3°C) to the low temperatures of 19°F (-7.2°C) result in snowfall measuring 0.79" (20mm). 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" (26mm) 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 (6.3°C) and low temperatures of 29.7°F (-1.3°C). 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 (19.5°C), 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 (26.8°C) 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 (25.7°C), 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" (10mm). Weather in December »Updated: Feb 12, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
January, characterized by an average high temperature of 29.7°F (-1.3°C) and a low temperature of 19°F (-7.2°C), is generally the coldest month in Monroe, Michigan.
January and February, with an average relative humidity of 85%, are most humid months in Monroe.
Throughout the year, there are 103.1 rainfall days, and 8.66" (220mm) of precipitation is accumulated.
Months with snowfall in Monroe are January through April, November and December.
Throughout the year, there are 32.9 snowfall days, and 3.27" (83mm) of snow is accumulated.
The month with the least sunshine is January, with an average of 3.2h of sunshine.
February is the month with the most snowfall. Snow falls for 7.8 days and accumulates 1.02" (26mm) of snow.
The month with the coldest seawater is February, with an average ocean temperature of 32.5°F (0.3°C).
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Monroe, 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.
The months with the most rainfall are May, June and August, with an average 1.06" (27mm) of precipitation.
May through October are months without snowfall.
The month with the longest days in Monroe is June, with an average of 15h and 12min of daylight.
The months with the highest UV index in Monroe are June through August, with an average maximum UV index of 6.
In Monroe, Michigan, the peak temperatures are generally noted in July, averaging a high of 80.2°F (26.8°C) and a low of 64°F (17.8°C).
July has the most sunshine of the year in Monroe, with an average of 10.3h of sunshine.
August is the month with the warmest seawater in Monroe, with an average ocean temperature of 76.5°F (24.7°C).
September is the month with the least rainfall. Rain falls for 9.5 days and accumulates 0.39" (10mm) of precipitation.
The least humid month in Monroe, Michigan, is October, with an average relative humidity of 75%.
With an average of 9h and 12min of daylight, December has the shortest days of the year in Monroe, Michigan.
The month with the lowest UV index in Monroe is December, with an average maximum UV index of 1.
Average temperature
Monroe, MI
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (29.7°F).
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure
Monroe, MI
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.08"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.98"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.04"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.1"Hg - Average pressure in December:
30.09"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Monroe, MI
- Average wind speed in January:
10.4mph - Average wind speed in February:
10mph - Average wind speed in March:
9.6mph - Average wind speed in April:
10mph - Average wind speed in May:
8.4mph - Average wind speed in June:
7.6mph
- Average wind speed in July:
6.6mph - Average wind speed in August:
6.7mph - Average wind speed in September:
7.5mph - Average wind speed in October:
9.4mph - Average wind speed in November:
9.9mph - Average wind speed in December:
9.9mph
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).
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%).
Average rainfall
Monroe, MI
- Average rainfall in January:
0.43" - Average rainfall in February:
0.43" - Average rainfall in March:
0.63" - Average rainfall in April:
0.94" - Average rainfall in May:
1.06" - Average rainfall in June:
1.06"
- Average rainfall in July:
0.98" - Average rainfall in August:
1.06" - Average rainfall in September:
0.39" - Average rainfall in October:
0.71" - Average rainfall in November:
0.51" - Average rainfall in December:
0.43"
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").
Average rainfall days
Monroe, MI
- Average rainfall days in January:
4.3 days - Average rainfall days in February:
4.5 days - Average rainfall days in March:
7.6 days - Average rainfall days in April:
12.1 days - Average rainfall days in May:
12.2 days - Average rainfall days in June:
11.2 days
- Average rainfall days in July:
10.8 days - Average rainfall days in August:
10 days - Average rainfall days in September:
9.5 days - Average rainfall days in October:
8.1 days - Average rainfall days in November:
6.7 days - Average rainfall days in December:
6.1 days
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).
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").
Average snowfall days
Monroe, MI
- Average snowfall days in January:
9.7 days - Average snowfall days in February:
7.8 days - Average snowfall days in March:
4.4 days - Average snowfall days in April:
0.8 days - Average snowfall days in May:
0.1 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:
0 days - Average snowfall days in November:
3.3 days - Average snowfall days in December:
6.8 days
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).
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).
Average daylight / Average sunshine
Monroe, MI
- Average daylight in January:
9h and 30min - Average daylight in February:
10h and 36min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 36min - Average daylight in June:
15h and 12min
- Average daylight in July:
14h and 54min - Average daylight in August:
13h and 48min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 48min - Average daylight in December:
9h and 12min
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).
- Average sunshine in January:
3h and 12min - Average sunshine in February:
4h and 0min - Average sunshine in March:
5h and 42min - Average sunshine in April:
7h and 6min - Average sunshine in May:
8h and 48min - Average sunshine in June:
9h and 54min
- Average sunshine in July:
10h and 18min - Average sunshine in August:
10h and 6min - Average sunshine in September:
8h and 6min - Average sunshine in October:
5h and 48min - Average sunshine in November:
4h and 54min - Average sunshine in December:
3h and 36min
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).
Average sunshine days
Monroe, MI
- Average sunshine days in January:
20.2 days - Average sunshine days in February:
17.9 days - Average sunshine days in March:
19.6 days - Average sunshine days in April:
14.9 days - Average sunshine days in May:
15.8 days - Average sunshine days in June:
15.2 days
- Average sunshine days in July:
16.5 days - Average sunshine days in August:
17.3 days - Average sunshine days in September:
18 days - Average sunshine days in October:
20.5 days - Average sunshine days in November:
20.3 days - Average sunshine days in December:
20.1 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is April (14.9 days).
Average UV index
Monroe, MI
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Monroe, MI
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is July (Cloud cover 29).
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).
