Historical Weather Records & Monthly Climate for Duncanville, TX

All-Time High
111°F
All-Time Low
-1°F
Max Daily Snow
6.9"
Max Daily Rain
5.71"
Max Snow Depth
0

Monthly Climate Averages for Duncanville, TX

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

MonthHigh (°F)Low (°F)Precip (in)Snow (in)
January56°39°2.58"0.45"
February59°41°2.95"0.87"
March67°49°3.83"0.18"
April75°56°4.23"0.01"
May82°65°5.28"0
June89°73°3.63"0
July94°77°1.8"0
August94°77°2.33"0
September87°70°2.73"0
October77°60°4.29"0
November66°49°3.28"0.05"
December58°41°3.02"0.37"

Historical Weather Extremes for Duncanville, TX

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

🔥
Longest Heatwave
10 Days
2003
Consecutive days ≥ 90°F
🧊
Deepest Freeze
16 Days
1941
Consecutive days ≤ 32°F
🏜️
Longest Drought
28 Days
1976
Consecutive days w/o rain
Wettest Month
16.47"
May 2015
Most rainfall in one month
Snowiest Month
14.06"
December 2010
Most snowfall in one month

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