Houston weather in July
July in Houston: sweltering, rainy — a good time to visit.
#11 of 12 months in Houston · #478 of 604 destinations to visit in July · comfort 60/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Houston climate normals — July
| Daytime high | 34°C / 92°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 25°C / 77°F | |
| Feels like (high) | 39°C / 102°F | |
| Rainfall | 110 mm / 4.3 in | 🌧 rainy |
| Rainy days | 15 days | |
| Humidity | 70% | 💧 humid |
| Dew point | 23°C / 74°F | |
| Sunshine | 11.5 h/day | |
| Daylight | 13.8 h | |
| Wind | 16 km/h / 10 mph | |
| Air quality (US AQI) | 65 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Houston in July — FAQ
- Is July a good time to visit Houston?
- July in Houston: sweltering, rainy — a good time to visit. It ranks #11 of 12 months for Houston on SeasonMap's comfort score (60/100).
- What is the weather like in Houston in July?
- In July, Houston averages a daily high of 33.5°C and a low of 25.2°C, with about 110.3 mm of rain over roughly 14.8 rainy days.
- What is the air quality in Houston in July?
- Houston has a mean US Air Quality Index of about 65 in July.