Big Bend National Park weather in October
October in Big Bend National Park: warm, dry, with clean air — an excellent time to visit.
#4 of 12 months in Big Bend National Park · #76 of 604 destinations to visit in October · comfort 88/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Big Bend National Park climate normals — October
| Daytime high | 26°C / 80°F | 🌤 warm |
|---|---|---|
| Nighttime low | 14°C / 56°F | |
| Feels like (high) | 24°C / 75°F | |
| Rainfall | 14 mm / 0.6 in | ☀️ dry |
| Rainy days | 3 days | |
| Humidity | 45% | 🍃 comfortable |
| Dew point | 5°C / 42°F | |
| Sunshine | 10.1 h/day | |
| Daylight | 11.5 h | |
| Wind | 13 km/h / 8 mph | |
| Air quality (US AQI) | 35 | 🍃 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 October — FAQ
- Is October a good time to visit Big Bend National Park?
- October in Big Bend National Park: warm, dry, with clean air — an excellent time to visit. It ranks #4 of 12 months for Big Bend National Park on SeasonMap's comfort score (88/100).
- What is the weather like in Big Bend National Park in October?
- In October, Big Bend National Park averages a daily high of 26.4°C and a low of 13.5°C, with about 14.4 mm of rain over roughly 3 rainy days.
- What is the air quality in Big Bend National Park in October?
- Big Bend National Park has a mean US Air Quality Index of about 35 in October.