Duncanville, TX
Climate overview — based on NOAA 1991-2020 normals from DALLAS REDBIRD AP, TX US.
Year-round temperatures (°F)
Climate summary
Duncanville has an annual average temperature of 66.9°F with about 37.7 inches of precipitation per year. The warmest month is August (average high 96.4°F), and the coldest is January (average low 37.8°F). October is typically the wettest month (4.54 in) and August the driest (1.80 in).
Best time to visit Duncanville
Full guide →Climate change signal
All-time records →147 of 366 (40.2%) of Duncanville's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.
| 1990s | 38 | |
| 2000s | 82 | |
| 2010s | 155 | |
| 2020s | 91 |
Bars: number of all-time daily heat records still standing that were set in each decade.
Monthly averages
| Month | Avg High | Avg Low | Avg Temp | Precipitation | Snow | Rainy days |
|---|---|---|---|---|---|---|
| January | 57.4°F | 37.8°F | 47.6°F | 2.55 in | — | 6 |
| February | 61.5°F | 41.1°F | 51.3°F | 2.57 in | — | 7 |
| March | 69.0°F | 48.3°F | 58.7°F | 3.57 in | — | 9 |
| April | 76.2°F | 55.2°F | 65.7°F | 3.70 in | — | 8 |
| May | 83.6°F | 64.2°F | 73.9°F | 4.34 in | — | 10 |
| June | 91.4°F | 72.0°F | 81.7°F | 3.87 in | — | 8 |
| July | 95.9°F | 75.4°F | 85.6°F | 1.91 in | — | 5 |
| August | 96.4°F | 75.0°F | 85.7°F | 1.80 in | — | 6 |
| September | 89.3°F | 68.2°F | 78.7°F | 2.95 in | — | 6 |
| October | 78.8°F | 57.5°F | 68.1°F | 4.54 in | — | 7 |
| November | 67.3°F | 47.1°F | 57.2°F | 2.78 in | — | 7 |
| December | 58.8°F | 39.3°F | 49.1°F | 3.08 in | — | 7 |
Climate twins of Duncanville
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).