Historical Weather Records & Monthly Climate for Addison, IL

All-Time High
104°F
All-Time Low
-27°F
Max Daily Snow
18.6"
Max Daily Rain
6.86"
Max Snow Depth
28"

Monthly Climate Averages for Addison, IL

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

MonthHigh (°F)Low (°F)Precip (in)Snow (in)
January31°17°2.08"8.05"
February35°19°2.11"6.9"
March46°29°2.55"3.83"
April58°39°3.99"1.78"
May68°51°4.54"0.01"
June78°62°4.02"0
July82°66°3.9"0
August81°65°3.89"0
September74°59°3"0
October61°47°3.35"0.22"
November48°35°2.18"1.76"
December36°24°2.26"6.02"

Historical Weather Extremes for Addison, 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
26 Days
1944
Consecutive days w/o rain
Wettest Month
17.1"
August 1987
Most rainfall in one month
Snowiest Month
35.3"
December 1978
Most snowfall in one month

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