Big Bend National Park weather in January
January in Big Bend National Park: cool, dry, with clean air — an excellent time to visit.
#7 of 12 months in Big Bend National Park · #108 of 604 destinations to visit in January · comfort 84/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Big Bend National Park climate normals — January
| Daytime high | 17°C / 62°F | 🙂 cool |
|---|---|---|
| Nighttime low | 3°C / 37°F | |
| Feels like (high) | 13°C / 55°F | |
| Rainfall | 5 mm / 0.2 in | ☀️ dry |
| Rainy days | 2 days | |
| Humidity | 35% | 🌵 dry |
| Dew point | -6°C / 20°F | |
| Sunshine | 9.1 h/day | |
| Daylight | 10.5 h | |
| Wind | 13 km/h / 8 mph | |
| Air quality (US AQI) | 33 | 🍃 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 January — FAQ
- Is January a good time to visit Big Bend National Park?
- January in Big Bend National Park: cool, dry, with clean air — an excellent time to visit. It ranks #7 of 12 months for Big Bend National Park on SeasonMap's comfort score (84/100).
- What is the weather like in Big Bend National Park in January?
- In January, Big Bend National Park averages a daily high of 16.6°C and a low of 2.8°C, with about 5 mm of rain over roughly 1.6 rainy days.
- What is the air quality in Big Bend National Park in January?
- Big Bend National Park has a mean US Air Quality Index of about 33 in January.