Zip 62639 (Frederick, IL) Climate

62639 Frederick, IL is located in the Midwestern United States and has a humid continental climate. Summers are typically hot and humid with temperatures reaching above 90 degrees Fahrenheit on occasion. Winters can be very cold with temperatures often dropping below freezing. Precipitation is fairly evenly distributed throughout the year, however snowfall can vary significantly from year to year. The area experiences all four seasons, though spring and autumn tend to be shorter than summer and winter.

Frederick (zip 62639), Illinois gets 39 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Frederick (zip 62639) averages 15 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 197 sunny days per year in Frederick (zip 62639). The US average is 205 sunny days.

Frederick (zip 62639) gets some kind of precipitation, on average, 89 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 17
Rain: averages 39 inches of rain a year
Snow: averages 15 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 62639 zip code is 7.2 (10=best), which means it is one of the most pleasant places in Illinois.

8.5 Summer - 5.3 Winter

September, June and May are the most pleasant months in the 62639 zip code, while January and December are the least comfortable months.

Climate	Frederick, Illinois	United States
	Unlock	38.1 in.
	15.1 in.	Unlock
	Unlock	106.2 days
	197 days	Unlock
	85.9°	85.8°
	Unlock	21.7°
	7.2	Unlock
	Unlock	4.3
	563 ft.	Unlock

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 the 62639 zip code with an average high temperature of 85.9°, which ranks it as about average compared to other places in Illinois. In the 62639 zip code, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the 62639 zip code are September, June and May.

In the 62639 zip code, there are 19.7 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 the 62639 zip code with an average of 17.2°. This is about average compared to other places in Illinois.

In the 62639 zip code, there are 120.9 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Illinois.

In the 62639 zip code, there are 6.8 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 the 62639 zip code 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 the 62639 zip code.

May is the wettest month in the 62639 zip code with 4.6 inches of rain, and the driest month is January with 1.8 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 38.5 inches in the 62639 zip code means that it is about average compared to other places in Illinois.

May is the rainiest month in the 62639 zip code with 9.7 days of rain, and February is the driest month with only 5.3 rainy days. There are 89.2 rainy days annually in the 62639 zip code, which is one of the least rainy 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 15.1 inches in the 62639 zip code means that it is less snowy than most places in Illinois. January is the snowiest month in the 62639 zip code with 5.0 inches of snow, and 4 months of the year have significant snowfall.

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