Heraklion weather in August
August in Heraklion: sweltering, dry — an excellent time to visit.
#4 of 12 months in Heraklion · #73 of 604 destinations to visit in August · comfort 90/100 (tier S)
Updated June 2026 · climate normals from ERA5 reanalysis
Heraklion climate normals — August
| Daytime high | 31°C / 89°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 23°C / 74°F | |
| Feels like (high) | 34°C / 93°F | |
| Rainfall | 13 mm / 0.5 in | ☀️ dry |
| Rainy days | 1 days | |
| Humidity | 65% | 💧 humid |
| Dew point | 19°C / 66°F | |
| Sunshine | 12.5 h/day | |
| Daylight | 13.5 h | |
| Wind | 16 km/h / 10 mph | |
| Air quality (US AQI) | 55 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Heraklion in August — FAQ
- Is August a good time to visit Heraklion?
- August in Heraklion: sweltering, dry — an excellent time to visit. It ranks #4 of 12 months for Heraklion on SeasonMap's comfort score (90/100).
- What is the weather like in Heraklion in August?
- In August, Heraklion averages a daily high of 31.4°C and a low of 23.1°C, with about 12.5 mm of rain over roughly 1 rainy days.
- What is the air quality in Heraklion in August?
- Heraklion has a mean US Air Quality Index of about 55 in August.