Zip 60402 (Berwyn, IL) Climate

The climate in the 60402 Berwyn, IL area is typically a humid continental climate with warm summers and cold winters. The temperature can range from an average high of 81°F (27°C) in the summer to an average low of 19°F (-7°C) in the winter. Precipitation tends to be highest during the summer months with an average annual precipitation of 36 inches (91 cm). The area also experiences frequent thunderstorms throughout the summer season as well as snowfall during the winter months.

Berwyn (zip 60402), Illinois gets 39 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Berwyn (zip 60402) averages 34 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 189 sunny days per year in Berwyn (zip 60402). The US average is 205 sunny days.

Berwyn (zip 60402) gets some kind of precipitation, on average, 124 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 20
Rain: averages 39 inches of rain a year
Snow: averages 34 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 60402 zip code is 7.0 (10=best), which means it is about average compared to other places in Illinois.

9 Summer - 4.7 Winter

September, June and August are the most pleasant months in the 60402 zip code, while January and December are the least comfortable months.

Climate	Berwyn, Illinois	United States
	Unlock	38.1 in.
	34.4 in.	Unlock
	Unlock	106.2 days
	189 days	Unlock
	84.1°	85.8°
	Unlock	21.7°
	7	Unlock
	Unlock	4.3
	616 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 60402 zip code with an average high temperature of 84.1°, which ranks it as cooler than most places in Illinois. In the 60402 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 60402 zip code are June, September and August.

In the 60402 zip code, there are 13.7 days annually when the high temperature is over 90°, which is cooler than most places in Illinois.

January has the coldest nighttime temperatures for the 60402 zip code with an average of 19.6°. This is warmer than most places in Illinois.

In the 60402 zip code, there are 101.5 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Illinois.

In the 60402 zip code, there are 3.6 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Illinois.

The humidity is usually comfortable in the 60402 zip code but some summer months can be sticky or muggy. July is the most humid month, though humidity is low for most of the year. The most humid months are July, August and June.

August is the wettest month in the 60402 zip code with 4.1 inches of rain, and the driest month is February with 2.0 inches. The wettest season is Autumn with 30% of yearly precipitation and 17% occurs in Spring, which is the driest season. The annual rainfall of 38.6 inches in the 60402 zip code means that it is about average compared to other places in Illinois.

May is the rainiest month in the 60402 zip code with 11.7 days of rain, and February is the driest month with only 8.3 rainy days. There are 124.3 rainy days annually in the 60402 zip code, which is one of the rainiest places in Illinois. The rainiest season is Summer when it rains 27% of the time and the driest is Spring with only a 24% chance of a rainy day.

An annual snowfall of 34.4 inches in the 60402 zip code means that it is one of the snowiest places in Illinois. January is the snowiest month in the 60402 zip code with 10.9 inches of snow, and 6 months of the year have significant snowfall.

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