Graz weather in August
August in Graz: warm, rainy, with clean air — one of the best months to visit.
#2 of 12 months in Graz · #147 of 897 destinations to visit in August · comfort 90/100 (tier S)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Graz in August
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Graz climate normals — August
| Daytime high | 25°C / 76°F | 🌤 warm |
|---|---|---|
| Nighttime low | 15°C / 58°F | |
| Rainfall | 113 mm / 4.4 in | 🌧 rainy |
| Rainy days | 15 days | |
| Humidity | 75% | 💦 very humid |
| Dew point | 15°C / 60°F | |
| Sunshine | 10.3 h/day | |
| Daylight | 14.2 h | |
| Wind | 10 km/h / 6 mph | |
| Air quality (US AQI) | 44 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Graz in August — FAQ
- Is August a good time to visit Graz?
- August in Graz: warm, rainy, with clean air — one of the best months to visit. It ranks #2 of 12 months for Graz on SeasonMap's comfort score (90/100).
- What is the weather like in Graz in August?
- In August, Graz averages a daily high of 24.6°C and a low of 14.6°C, with about 112.8 mm of rain over roughly 15 rainy days.
- What is the air quality in Graz in August?
- Graz has a mean US Air Quality Index of about 44 in August.