Lima, IL Climate


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Lima, IL has a humid continental climate with hot, humid summers and cold winters. Average high temperatures in the summer months range from the mid-70s to the mid-80s, while winter temperatures can dip into the 20s. Precipitation is spread out evenly throughout the year with an average of 40 inches of rain annually. Snowfall amounts vary significantly from year to year, but an average of 12 inches can be expected each winter season.

Lima, Illinois gets 39 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Lima averages 19 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 201 sunny days per year in Lima. The US average is 205 sunny days.

Lima gets some kind of precipitation, on average, 104 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 87 degrees
Winter Low: the January low is 17
Rain: averages 39 inches of rain a year
Snow: averages 19 inches of snow a year


Bestplaces Comfort Index

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

8.2 Summer - 5.2 Winter
September, June and May are the most pleasant months in Lima, while January and December are the least comfortable months.

  ClimateLima, IllinoisUnited States
  39.2 in.38.1 in.
  18.8 in.27.8 in.
  103.8 days106.2 days
  201 days205 days
  86.8°85.8°
  17.0°21.7°
  7.17
  3.84.3
  656 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 Lima with an average high temperature of 86.8°, which ranks it as warmer than most places in Illinois. In Lima, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Lima are September, June and May.
In Lima, there are 24.7 days annually when the high temperature is over 90°, which is hotter than most places in Illinois.
January has the coldest nighttime temperatures for Lima with an average of 17.0°. This is about average compared to other places in Illinois.
In Lima, there are 118.1 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Illinois.
In Lima, there are 6.6 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Illinois.
The humidity is usually acceptable in Lima but some summer months can be sticky or muggy. July is the most humid month, though humidity is low for most of the year. July, August and June are the three most uncomfortably humid months in Lima.
May is the wettest month in Lima with 5.1 inches of rain, and the driest month is January with 1.4 inches. The wettest season is Autumn with 32% of yearly precipitation and 13% occurs in Spring, which is the driest season. The annual rainfall of 39.2 inches in Lima means that it is about average compared to other places in Illinois.
May is the rainiest month in Lima with 11.8 days of rain, and January is the driest month with only 6.8 rainy days. There are 103.8 rainy days annually in Lima, 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 20% chance of a rainy day.
An annual snowfall of 18.8 inches in Lima means that it is about average compared to other places in Illinois. January is the snowiest month in Lima with 5.9 inches of snow, and 5 months of the year have significant snowfall.
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