Historical Weather Records & Monthly Climate for Berwyn, IL

All-Time High
104°F
All-Time Low
-22°F
Max Daily Snow
16.5"
Max Daily Rain
6.16"
Max Snow Depth
29"

Monthly Climate Averages for Berwyn, IL

Based on 30 years of historical data (1994 - 2023)

MonthHigh (°F)Low (°F)Precip (in)Snow (in)
January31°18°2.39"7.77"
February34°20°2.26"6.71"
March45°29°2.76"3.82"
April56°40°4.19"1.53"
May68°51°4.72"0.01"
June78°62°4.36"0
July82°67°4.17"0
August81°66°4.1"0
September74°60°3.09"0
October62°48°3.62"0.22"
November48°35°2.54"1.64"
December37°25°2.44"5.23"

Historical Weather Extremes for Berwyn, IL

Based on 80+ years of archive data (1940 - 2024)

🔥
Longest Heatwave
10 Days
1953
Consecutive days ≥ 90°F
🧊
Deepest Freeze
43 Days
1977
Consecutive days ≤ 32°F
🏜️
Longest Drought
22 Days
1988
Consecutive days w/o rain
Wettest Month
14.17"
September 1961
Most rainfall in one month
Snowiest Month
40.4"
January 1979
Most snowfall in one month

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