Historical Weather Records & Monthly Climate for Plainfield, IL

All-Time High
100°F
All-Time Low
-31°F
Max Daily Snow
8.5"
Max Daily Rain
5.54"
Max Snow Depth
14"

Monthly Climate Averages for Plainfield, IL

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

MonthHigh (°F)Low (°F)Precip (in)Snow (in)
January38°24°3.66"7.75"
February41°25°3.27"8.83"
March50°32°4.21"6.76"
April61°42°3.91"0.86"
May70°52°3.87"0.01"
June80°62°4.32"0
July85°68°4.49"0
August83°67°4.12"0
September76°60°4.76"0
October64°49°4.37"0.32"
November53°38°3.15"1.01"
December43°31°4.2"4.93"

Historical Weather Extremes for Plainfield, 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
27 Days
1988
Consecutive days w/o rain
Wettest Month
11.18"
October 2017
Most rainfall in one month
Snowiest Month
20.3"
February 2018
Most snowfall in one month

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