Historical Weather Records & Monthly Climate for Sioux Falls, SD

All-Time High
105°F
All-Time Low
-26°F
Max Daily Snow
13.7"
Max Daily Rain
4.99"
Max Snow Depth
22"

Monthly Climate Averages for Sioux Falls, SD

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

MonthHigh (°F)Low (°F)Precip (in)Snow (in)
January26°9°0.85"5.34"
February30°13°0.96"5.11"
March44°24°1.85"5.16"
April56°37°3.41"4.19"
May68°49°4.27"0.12"
June78°60°4.77"0
July83°65°2.93"0
August80°63°3.24"0
September74°56°2.87"0
October59°42°2.54"0.8"
November44°28°1.44"4.08"
December30°15°1.17"5.83"

Historical Weather Extremes for Sioux Falls, SD

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

🔥
Longest Heatwave
12 Days
1955
Consecutive days ≥ 90°F
🧊
Deepest Freeze
65 Days
1978
Consecutive days ≤ 32°F
🏜️
Longest Drought
60 Days
1944
Consecutive days w/o rain
Wettest Month
13.87"
June 2014
Most rainfall in one month
Snowiest Month
31.4"
April 2018
Most snowfall in one month

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