Houston weather in March
March in Houston: nice, a little rain, with clean air — one of the best months to visit.
#1 of 12 months in Houston · #30 of 604 destinations to visit in March · comfort 91/100 (tier S)
Updated June 2026 · climate normals from ERA5 reanalysis
Houston climate normals — March
| Daytime high | 23°C / 74°F | 😎 nice |
|---|---|---|
| Nighttime low | 14°C / 57°F | |
| Feels like (high) | 23°C / 73°F | |
| Rainfall | 58 mm / 2.3 in | 🌦 some rain |
| Rainy days | 11 days | |
| Humidity | 71% | 💧 humid |
| Dew point | 12°C / 53°F | |
| Sunshine | 8.3 h/day | |
| Daylight | 12 h | |
| Wind | 21 km/h / 13 mph | |
| Air quality (US AQI) | 46 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Houston?
Loading map…
Houston in March — FAQ
- Is March a good time to visit Houston?
- March in Houston: nice, a little rain, with clean air — one of the best months to visit. It ranks #1 of 12 months for Houston on SeasonMap's comfort score (91/100).
- What is the weather like in Houston in March?
- In March, Houston averages a daily high of 23.1°C and a low of 13.8°C, with about 57.8 mm of rain over roughly 11 rainy days.
- What is the air quality in Houston in March?
- Houston has a mean US Air Quality Index of about 46 in March.