Historical Weather Records & Monthly Climate for Chesterfield, MO

All-Time High
109°F
All-Time Low
-22°F
Max Daily Snow
8.3"
Max Daily Rain
4.47"
Max Snow Depth
10"

Monthly Climate Averages for Chesterfield, MO

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

MonthHigh (°F)Low (°F)Precip (in)Snow (in)
January52°36°3.64"1.31"
February57°38°3.2"1.09"
March64°44°3.43"0.11"
April73°53°3.34"0.01"
May81°61°3.29"0
June87°69°4.35"0
July89°72°4.63"0
August88°71°4.47"0
September82°66°4.71"0
October73°55°3.05"0
November63°45°3.05"0.01"
December55°39°3.78"0.23"

Historical Weather Extremes for Chesterfield, MO

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

🔥
Longest Heatwave
20 Days
2007
Consecutive days ≥ 90°F
🧊
Deepest Freeze
16 Days
1983
Consecutive days ≤ 32°F
🏜️
Longest Drought
26 Days
1986
Consecutive days w/o rain
Wettest Month
11.9"
October 2009
Most rainfall in one month
Snowiest Month
15.1"
February 1993
Most snowfall in one month

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