Plymouth, MI 

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Climate in Plymouth, MI

Plymouth, MI enjoys a moderate climate with four distinct seasons. Summers are warm and humid with temperatures typically reaching into the mid-80s Fahrenheit (29-32°C). Winters can be cold with temperatures occasionally dropping below 0°F (-18°C) and an average snowfall of 45 inches (114 cm). Spring brings mild weather with temperatures ranging from the mid-50s to low 70s Fahrenheit (12-22°C), while fall brings cool weather and changing leaves. The city also sees some rain throughout the year, receiving an average of 36 inches (91 cm) of precipitation annually.

Plymouth, Michigan gets 33 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Plymouth averages 44 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 177 sunny days per year in Plymouth. The US average is 205 sunny days.

Plymouth gets some kind of precipitation, on average, 139 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.

Weather Highlights

Summer High: the July high is around 83 degrees
Winter Low: the January low is 17
Rain: averages 33 inches of rain a year
Snow: averages 44 inches of snow a year


The annual BestPlaces Comfort Index for Plymouth is 6.7 (10=best), which means it is more comfortable than most places in Michigan.

9.2 / 4.2

Summer   /   Winter
June, August and July are the most pleasant months in Plymouth, while January and February are the least comfortable months.

Climate Averages
  Plymouth, MichiganUnited States
  32.9 in.38.1 in.
  43.7 in.27.8 in.
  139.0 days106.2 days
  177 days205 days
  725 ft.2443 ft.


Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

July is the hottest month for Plymouth with an average high temperature of 83.2°, which ranks it as warmer than most places in Michigan. In Plymouth, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Plymouth are June, August and September.

In Plymouth, there are 7.8 days annually when the high temperature is over 90°, which is hotter than most places in Michigan.

January has the coldest nighttime temperatures for Plymouth with an average of 16.9°. This is warmer than most places in Michigan.

In Plymouth, there are 133.7 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Michigan.

In Plymouth, there are 4.3 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Michigan.

Humidity in Plymouth is generally low and comfortable. But there some days when the humidity becomes unpleasant, especially in August and July. The most humid months (but still comfortable) are August, July and June.

September is the wettest month in Plymouth with 3.4 inches of rain, and the driest month is January with 1.8 inches. The wettest season is Autumn with 30% of yearly precipitation and 18% occurs in Spring, which is the driest season. The annual rainfall of 32.9 inches in Plymouth means that it is drier than most places in Michigan.

December is the rainiest month in Plymouth with 14.1 days of rain, and September is the driest month with only 9.7 rainy days. There are 139.0 rainy days annually in Plymouth, which is rainier than most places in Michigan. The rainiest season is Spring when it rains 28% of the time and the driest is Autumn with only a 22% chance of a rainy day.

An annual snowfall of 43.7 inches in Plymouth means that it is about average compared to other places in Michigan. January is the snowiest month in Plymouth with 12.9 inches of snow, and 6 months of the year have significant snowfall.

  • Annual Rainfall (US Avg: 36.5")
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    Reviews for Plymouth    5 Reviews
    OK, But Kind of Mediocre - 7/5/2021
    Used to live here. It's OK, but nothing special. Pretty much a bedroom community that is very safe, quaint, overpriced, middle-class, and...boring. Restaurants are... Read More

    Start Your Review of Plymouth

    New Morning School K-8 - 3/7/2018
    This school is a game changer. I have watched our 5 children (mine, plus nieces/nephews) absolutely thrive. They LOVE going to school, and watching not only their... Read More

    Cute town - 6/7/2017
    Plymouth is adorable. Not inexpensive. Poor streets and roads. Good shopping. Nice restaurants. Do not for a second believe the voting stats; those are for the whole... Read More

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