Houston weather in October
October in Houston: hot, rainy, with clean air — an excellent time to visit.
#3 of 12 months in Houston · #225 of 604 destinations to visit in October · comfort 82/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Houston climate normals — October
| Daytime high | 27°C / 81°F | 🥵 hot |
|---|---|---|
| Nighttime low | 18°C / 64°F | |
| Feels like (high) | 29°C / 84°F | |
| Rainfall | 101 mm / 4 in | 🌧 rainy |
| Rainy days | 9 days | |
| Humidity | 67% | 💧 humid |
| Dew point | 15°C / 59°F | |
| Sunshine | 8.7 h/day | |
| Daylight | 11.4 h | |
| Wind | 17 km/h / 10 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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Houston in October — FAQ
- Is October a good time to visit Houston?
- October in Houston: hot, rainy, with clean air — an excellent time to visit. It ranks #3 of 12 months for Houston on SeasonMap's comfort score (82/100).
- What is the weather like in Houston in October?
- In October, Houston averages a daily high of 27.2°C and a low of 18°C, with about 101.4 mm of rain over roughly 9.4 rainy days.
- What is the air quality in Houston in October?
- Houston has a mean US Air Quality Index of about 45 in October.