Houston weather in April
April in Houston: warm, rainy, with clean air — one of the best months to visit.
#2 of 12 months in Houston · #153 of 604 destinations to visit in April · comfort 85/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Houston climate normals — April
| Daytime high | 26°C / 78°F | 🌤 warm |
|---|---|---|
| Nighttime low | 17°C / 62°F | |
| Feels like (high) | 27°C / 81°F | |
| Rainfall | 99 mm / 3.9 in | 🌧 rainy |
| Rainy days | 13 days | |
| Humidity | 74% | 💧 humid |
| Dew point | 16°C / 60°F | |
| Sunshine | 8.8 h/day | |
| Daylight | 12.9 h | |
| Wind | 22 km/h / 13 mph | |
| Air quality (US AQI) | 43 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Houston in April — FAQ
- Is April a good time to visit Houston?
- April in Houston: warm, rainy, with clean air — one of the best months to visit. It ranks #2 of 12 months for Houston on SeasonMap's comfort score (85/100).
- What is the weather like in Houston in April?
- In April, Houston averages a daily high of 25.8°C and a low of 16.7°C, with about 98.6 mm of rain over roughly 12.6 rainy days.
- What is the air quality in Houston in April?
- Houston has a mean US Air Quality Index of about 43 in April.