Austin weather in May
May in Austin: hot, soaked — a good time to visit.
#10 of 12 months in Austin · #486 of 604 destinations to visit in May · comfort 67/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Austin climate normals — May
| Daytime high | 30°C / 85°F | 🥵 hot |
|---|---|---|
| Nighttime low | 20°C / 68°F | |
| Feels like (high) | 32°C / 90°F | |
| Rainfall | 154 mm / 6.1 in | ⛈ soaked |
| Rainy days | 14 days | |
| Humidity | 74% | 💧 humid |
| Dew point | 19°C / 67°F | |
| Sunshine | 10 h/day | |
| Daylight | 13.7 h | |
| Wind | 20 km/h / 12 mph | |
| Air quality (US AQI) | 52 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Austin in May — FAQ
- Is May a good time to visit Austin?
- May in Austin: hot, soaked — a good time to visit. It ranks #10 of 12 months for Austin on SeasonMap's comfort score (67/100).
- What is the weather like in Austin in May?
- In May, Austin averages a daily high of 29.5°C and a low of 20.1°C, with about 153.7 mm of rain over roughly 14.2 rainy days.
- What is the air quality in Austin in May?
- Austin has a mean US Air Quality Index of about 52 in May.