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Duncanville climate
Typical historical weather for Duncanville, United States, averaged across 10 years of hourly climate data. Pick a date for a specific day.
Want today's actual conditions instead? See the current forecast for Duncanville.
Annual average
19.9°C
across all months
Warmest month
35.2°C
Jul average high
Coolest month
3.1°C
Jan average low
Annual rainfall
1006mm
total per year
Monthly averages
Average daily high/low temperature (band) and monthly rainfall (bars).
● Avg high● Avg low▮ Rainfall
Records on file
Hottest day
42.9°C
18 August 2023
Coldest day
-18.3°C
16 February 2021
Wettest day
84.2mm
24 April 2019
Windiest day
9.9m/s
4 March 2025
See the detail: Duncanville on 24 April 2019.