Normally the average daily weather in Thessaloniki all through the month of August is 23 with usual highs being around 30 and low of 19 celsius. We have put some more information here:
| Month | Degrees Celsius |
|---|---|
| Temperature | 23 |
| High Temperature | 30 |
| Low Temperature | 19 |
| Sunshine Per Day | 9 |
Useful Links: Thessaloniki Weather: Average Weather & Yearly Climate