Georgetown, IL Climate


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Georgetown is situated in central Illinois, and has a temperate climate with all four seasons. Summers are typically hot and humid, with temperatures reaching into the high 80s during the day. Winters can be cold and snowy, with average temperatures dropping to around 22 degrees in January. Spring is warm and sunny, while autumn is cool and crisp. The area enjoys abundant rainfall throughout the year, as well as an average of 208 days of sunshine per year.

Georgetown, Illinois gets 41 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Georgetown averages 18 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 Georgetown. The US average is 205 sunny days.

Georgetown gets some kind of precipitation, on average, 114 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 86 degrees
Winter Low: the January low is 18
Rain: averages 41 inches of rain a year
Snow: averages 18 inches of snow a year


Bestplaces Comfort Index

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

8.4 Summer - 5.1 Winter
September, June and May are the most pleasant months in Georgetown, while January and December are the least comfortable months.

  ClimateGeorgetown, IllinoisUnited States
  40.8 in.38.1 in.
  18.2 in.27.8 in.
  113.5 days106.2 days
  191 days205 days
  85.7°85.8°
  17.8°21.7°
  7.17
  3.74.3
  669 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 Georgetown with an average high temperature of 85.7°, which ranks it as about average compared to other places in Illinois. In Georgetown, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Georgetown are September, May and June.
In Georgetown, there are 20.3 days annually when the high temperature is over 90°, which is about average compared to other places in Illinois.
January has the coldest nighttime temperatures for Georgetown with an average of 17.8°. This is about average compared to other places in Illinois.
In Georgetown, there are 118.0 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Illinois.
In Georgetown, there are 6.4 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 Georgetown 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 Georgetown.
July is the wettest month in Georgetown with 4.8 inches of rain, and the driest month is February with 2.1 inches. The wettest season is Autumn with 31% of yearly precipitation and 17% occurs in Spring, which is the driest season. The annual rainfall of 40.8 inches in Georgetown means that it is wetter than most places in Illinois.
May is the rainiest month in Georgetown with 12.0 days of rain, and September is the driest month with only 7.7 rainy days. There are 113.5 rainy days annually in Georgetown, which is rainier than most 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 18.2 inches in Georgetown means that it is about average compared to other places in Illinois. January is the snowiest month in Georgetown with 6.2 inches of snow, and 4 months of the year have significant snowfall.
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