Detroit, IL Climate


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United States / Illinois / No Metro Area / Pike County / Detroit / Zip Codes
Detroit, IL has a humid continental climate with four distinct seasons. Summers are typically hot and humid with temperatures reaching the mid-80s on average. Winters are cold and snowy, with temperatures hovering around the freezing point. Spring and fall are pleasant with temperatures in the mid- to upper 60s. Precipitation is common throughout the year, but it is especially frequent during spring and summer months. Snowfall averages between 30 and 40 inches during winter months. This makes Detroit an ideal place for outdoor activities all year long!

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Detroit is 7.1 (10=best), which means it is more comfortable than most places in Illinois.

8.2 Summer - 5.3 Winter
September, June and May are the most pleasant months in Detroit, while January and December are the least comfortable months.

  ClimateDetroit, IllinoisUnited States
  39.9 in.38.1 in.
  17.0 in.27.8 in.
  103.4 days106.2 days
  201 days205 days
  86.5°85.8°
  17.4°21.7°
  7.17
  3.94.3
  640 ft.2443 ft.
Climate
YOU SHOULD KNOW

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 Detroit with an average high temperature of 86.5°, which ranks it as warmer than most places in Illinois. In Detroit, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Detroit are September, May and June.
In Detroit, there are 24.6 days annually when the high temperature is over 90°, which is hotter than most places in Illinois.
January has the coldest nighttime temperatures for Detroit with an average of 17.4°. This is about average compared to other places in Illinois.
In Detroit, there are 119.7 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Illinois.
In Detroit, there are 5.5 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Illinois.
The humidity can be uncomfortably heavy or close in Detroit during the summer months. July is the most humid month, though humidity is low for most of the year. July, August and June are the three most humid months in Detroit.
May is the wettest month in Detroit with 4.5 inches of rain, and the driest month is January with 1.9 inches. The wettest season is Autumn with 31% of yearly precipitation and 16% occurs in Spring, which is the driest season. The annual rainfall of 39.9 inches in Detroit means that it is wetter than most places in Illinois.
May is the rainiest month in Detroit with 11.4 days of rain, and February is the driest month with only 6.7 rainy days. There are 103.4 rainy days annually in Detroit, which is less rainy than most places in Illinois. The rainiest season is Summer when it rains 30% of the time and the driest is Spring with only a 21% chance of a rainy day.
An annual snowfall of 17.0 inches in Detroit means that it is less snowy than most places in Illinois. January is the snowiest month in Detroit with 5.0 inches of snow, and 5 months of the year have significant snowfall.
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