Climate averages 1991–2020
Dallas weather
in March.
A mild, wet month: the 8th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
March is a mild month in Dallas: daytime highs average 19.7°C and nights cool to about 9.6°C. By daytime temperature it is the 8th warmest of the 12 months.
Expect about 100 mm of rain on roughly 10 days, which makes March a wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 57 min on an average March day.
The nearest other city in this atlas is Irving (14 km away). In March its highs average 19.7°C, about as warm as Dallas, with 95 mm of rain.
Among the 498 cities listed in the United States, Dallas ranks joint 116th of 498 for the warmest March highs and joint 347th of 498 for the driest March (rainfall, lowest first). The mean March high of those 498 cities is 14.9°C; Dallas is 4.7°C warmer than that mean.
From March to April, average highs rise by 4.3°C to 24.0°C, and monthly rainfall rises from 100 mm to 107 mm.
The annual picture
March in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Dallas climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 13.2°C3.8°C | 3.8°C | 71 | 7.1 | 10.310 h |
| February | 15.6°C5.7°C | 5.7°C | 76 | 7.7 | 11.011 h |
| March, selected | 19.7°C9.6°C | 9.6°C | 100 | 9.5 | 12.012 h |
| April | 24.0°C13.9°C | 13.9°C | 107 | 8.8 | 13.013 h |
| May | 27.9°C18.7°C | 18.7°C | 127 | 10.6 | 13.814 h |
| June | 31.9°C23.0°C | 23.0°C | 83 | 8.4 | 14.314 h |
| July | 34.5°C25.3°C | 25.3°C | 41 | 5.7 | 14.114 h |
| August | 34.5°C25.4°C | 25.4°C | 53 | 5.4 | 13.413 h |
| September | 30.7°C21.5°C | 21.5°C | 63 | 5.9 | 12.412 h |
| October | 25.2°C15.6°C | 15.6°C | 97 | 7.7 | 11.411 h |
| November | 18.8°C9.6°C | 9.6°C | 88 | 7.2 | 10.511 h |
| December | 14.1°C5.0°C | 5.0°C | 89 | 6.9 | 10.010 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
March in nearby cities
- Irving in MarchUnited States · 14 kmHigh 19.7°C · Low 9.5°C · 95 mm rain
- Grand Prairie in MarchUnited States · 18 kmHigh 19.8°C · Low 9.5°C · 95 mm rain
- Mesquite in MarchUnited States · 19 kmHigh 19.4°C · Low 9.3°C · 105 mm rain
- Richardson in MarchUnited States · 20 kmHigh 19.1°C · Low 9.1°C · 100 mm rain
- Carrollton in MarchUnited States · 21 kmHigh 19.4°C · Low 9.4°C · 95 mm rain
- Garland in MarchUnited States · 21 kmHigh 19.2°C · Low 9.2°C · 100 mm rain
- Plano in MarchUnited States · 28 kmHigh 19.0°C · Low 9.1°C · 100 mm rain
- Arlington (Texas), United States in MarchUnited States · 29 kmHigh 19.7°C · Low 9.4°C · 95 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Dallas) is explained once on the Dallas year overview and on the Sources, method and limits page.