Big Bend National Park weather in March
March in Big Bend National Park: nice, dry, with clean air — one of the best months to visit.
#2 of 12 months in Big Bend National Park · #29 of 604 destinations to visit in March · comfort 91/100 (tier S)
Updated June 2026 · climate normals from ERA5 reanalysis
Big Bend National Park climate normals — March
| Daytime high | 24°C / 76°F | 😎 nice |
|---|---|---|
| Nighttime low | 9°C / 48°F | |
| Feels like (high) | 21°C / 70°F | |
| Rainfall | 11 mm / 0.4 in | ☀️ dry |
| Rainy days | 2 days | |
| Humidity | 30% | 🌵 dry |
| Dew point | -6°C / 22°F | |
| Sunshine | 10.5 h/day | |
| Daylight | 12 h | |
| Wind | 17 km/h / 10 mph | |
| Snowfall | 0.4 cm / 0.2 in | |
| Air quality (US AQI) | 39 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Big Bend National Park in March — FAQ
- Is March a good time to visit Big Bend National Park?
- March in Big Bend National Park: nice, dry, with clean air — one of the best months to visit. It ranks #2 of 12 months for Big Bend National Park on SeasonMap's comfort score (91/100).
- What is the weather like in Big Bend National Park in March?
- In March, Big Bend National Park averages a daily high of 24.3°C and a low of 8.7°C, with about 10.8 mm of rain over roughly 1.8 rainy days.
- What is the air quality in Big Bend National Park in March?
- Big Bend National Park has a mean US Air Quality Index of about 39 in March.