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Weather in Duncanville, TX · National Weather Service + NOAA

Duncanville has hot summers

Duncanville has mild winters and hot summers. A typical July afternoon reaches 95°, a January night drops to 37°, and snow is almost unheard of. A typical November afternoon reaches 67°, and nights fall to 47°.

Winter 59°/39°Spring 76°/56°Summer 94°/74°Fall 78°/57°
Right now
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Sunrise 7:48 am · sunset 6:34 pm

Getting the latest forecast from the National Weather Service…

What stands out about Duncanville’s weather

Read from 30 years of NOAA records. Each one opens the full story on the Climate page.

Climate →
Hot summersJuly afternoons average 95°, hotter than 96% of U.S. towns.Snow is rareNo measurable snow in a normal year.Plenty of 90° daysAbout 104 days a year reach 90°.Air-conditioning countryMore cooling degree days than 96% of U.S. towns.
A normal year

Where today sits in Duncanville’s year

Typical highs and lows month by month, from 30 years of NOAA records.

Full climate →
Winter
59° / 39°
Snow is rare
Spring
76° / 56°
Last frost around Mar 6
Summer
94° / 74°
104 days reach 90° in a normal year
Fall now
78° / 57°
First frost around Nov 25
21 daysuntil the usual first frost (Nov 25)
Best months to be outside
MarAprMayOctNov
Highs of 62–84° and lows of 40° or more
How much snow does Duncanville get?Almost none.When is it wettest?May, with 4.8 inches.Is it warmer than it used to be?+0.8° vs. the 20th century.

Weather talk

Road reports, first frosts and storm memories from neighbors in Duncanville.

Town Square →
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Forecast, conditions and alerts: National Weather Service. Climate: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000. Temperatures and rainfall come from NOAA’s gridded normals for Duncanville itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at Midlothian, TX (12 mi, snow) and Dallas Redbird Airport, TX (4 mi, frost, heat and degree days). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.