Thessaloniki weather in August
August in Thessaloniki: sweltering, a little rain, with clean air — a great time to visit.
#7 of 12 months in Thessaloniki · #330 of 604 destinations to visit in August · comfort 78/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Thessaloniki climate normals — August
| Daytime high | 33°C / 91°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 23°C / 74°F | |
| Feels like (high) | 35°C / 95°F | |
| Rainfall | 48 mm / 1.9 in | 🌦 some rain |
| Rainy days | 6 days | |
| Humidity | 58% | 🍃 comfortable |
| Dew point | 18°C / 64°F | |
| Sunshine | 12.5 h/day | |
| Daylight | 13.7 h | |
| Wind | 11 km/h / 7 mph | |
| Air quality (US AQI) | 49 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Thessaloniki in August — FAQ
- Is August a good time to visit Thessaloniki?
- August in Thessaloniki: sweltering, a little rain, with clean air — a great time to visit. It ranks #7 of 12 months for Thessaloniki on SeasonMap's comfort score (78/100).
- What is the weather like in Thessaloniki in August?
- In August, Thessaloniki averages a daily high of 32.5°C and a low of 23.2°C, with about 47.8 mm of rain over roughly 6 rainy days.
- What is the air quality in Thessaloniki in August?
- Thessaloniki has a mean US Air Quality Index of about 49 in August.