Dallas weather in March
March in Dallas: nice, rainy, with clean air — an excellent time to visit.
#3 of 12 months in Dallas · #164 of 604 destinations to visit in March · comfort 83/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Dallas climate normals — March
| Daytime high | 21°C / 70°F | 😎 nice |
|---|---|---|
| Nighttime low | 11°C / 51°F | |
| Feels like (high) | 20°C / 68°F | |
| Rainfall | 112 mm / 4.4 in | 🌧 rainy |
| Rainy days | 12 days | |
| Humidity | 62% | 💧 humid |
| Dew point | 7°C / 44°F | |
| Sunshine | 7.9 h/day | |
| Daylight | 12 h | |
| Wind | 23 km/h / 14 mph | |
| Air quality (US AQI) | 45 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Dallas in March — FAQ
- Is March a good time to visit Dallas?
- March in Dallas: nice, rainy, with clean air — an excellent time to visit. It ranks #3 of 12 months for Dallas on SeasonMap's comfort score (83/100).
- What is the weather like in Dallas in March?
- In March, Dallas averages a daily high of 21.1°C and a low of 10.5°C, with about 111.9 mm of rain over roughly 11.8 rainy days.
- What is the air quality in Dallas in March?
- Dallas has a mean US Air Quality Index of about 45 in March.