Arrowsmith, IL Climate


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Arrowsmith, IL has a humid continental climate that experiences hot and humid summers and cold, snowy winters. The average temperature in the summer is around 75°F and in the winter it averages around 25°F. Precipitation is fairly consistent throughout the year, with an average of about 40 inches per year. Snowfall can vary from year to year, but usually average around 30 inches. Winters tend to be long and cold while summers are short and warm—perfect for outdoor activities!

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

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

On average, there are 191 sunny days per year in Arrowsmith. The US average is 205 sunny days.

Arrowsmith gets some kind of precipitation, on average, 107 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 84 degrees
Winter Low: the January low is 16
Rain: averages 38 inches of rain a year
Snow: averages 19 inches of snow a year


Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Arrowsmith is 7.0 (10=best), which means it is about average compared to other places in Illinois.

8.6 Summer - 4.9 Winter
September, June and May are the most pleasant months in Arrowsmith, while January and December are the least comfortable months.

  ClimateArrowsmith, IllinoisUnited States
  37.8 in.38.1 in.
  19.4 in.27.8 in.
  107.1 days106.2 days
  191 days205 days
  84.1°85.8°
  16.0°21.7°
  77
  3.74.3
  879 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 Arrowsmith with an average high temperature of 84.1°, which ranks it as cooler than most places in Illinois. In Arrowsmith, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Arrowsmith are September, June and August.
In Arrowsmith, there are 12.4 days annually when the high temperature is over 90°, which is cooler than most places in Illinois.
January has the coldest nighttime temperatures for Arrowsmith with an average of 16.0°. This is about average compared to other places in Illinois.
In Arrowsmith, there are 126.6 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Illinois.
In Arrowsmith, there are 7.1 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 Arrowsmith 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 Arrowsmith.
May is the wettest month in Arrowsmith with 4.3 inches of rain, and the driest month is February with 1.8 inches. The wettest season is Autumn with 32% of yearly precipitation and 16% occurs in Spring, which is the driest season. The annual rainfall of 37.8 inches in Arrowsmith means that it is drier than most places in Illinois.
May is the rainiest month in Arrowsmith with 10.7 days of rain, and February is the driest month with only 7.3 rainy days. There are 107.1 rainy days annually in Arrowsmith, which is about average compared to other places in Illinois. The rainiest season is Summer when it rains 29% of the time and the driest is Spring with only a 23% chance of a rainy day.
An annual snowfall of 19.4 inches in Arrowsmith means that it is about average compared to other places in Illinois. December is the snowiest month in Arrowsmith with 5.7 inches of snow, and 6 months of the year have significant snowfall.
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