Temperature
Hot by day, warm at night.
89°Ftypical Aug high
Thessaloniki is most comfortable in spring. Summers are hot and winters are cool. Rain is spread through the year. Humidity is usually low.

Hot by day, warm at night.
One of the driest months, with very little rain.
Plenty of sun this month.
Hot days, with humid stretches.
Predominantly clear skies.
Want a side-by-side climate view? Compare Thessaloniki with Madrid.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 1, 2026
Data & methodology