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Kos or Thessaloniki?
Both are history, food and culture destinations in Europe. Kos adds nature, beaches and islands. Thessaloniki adds architecture and nightlife.
| Kos | Thessaloniki | |
|---|---|---|
| Country | Greece | Greece |
| Cost of a week | mid-priced | mid-priced |
| Crowds at peak | medium | medium |
| Best months | May, Jun, Jul, Aug, Sep | May, Jun, Sep, Oct |
| Warmest month | July, 31°C | July, 33°C |
| Coolest month | January, 15°C | January, 10°C |
| Known for | Asklepion, Neratzia Castle, Plane Tree of Hippocrates, Embros Thermae | White Tower, Rotunda, Heptapyrgion, Aristotelous Square |
Month by month, side by side
| Month | Kos | Thessaloniki |
|---|---|---|
| Jan | 15°C | 10°C |
| Feb | 15°C | 13°C |
| Mar | 17°C | 16°C |
| Apr | 20°C | 20°C |
| May | 23°C | 24°C |
| Jun | 28°C | 30°C |
| Jul | 31°C | 33°C |
| Aug | 30°C | 32°C |
| Sep | 28°C | 28°C |
| Oct | 24°C | 22°C |
| Nov | 20°C | 17°C |
| Dec | 16°C | 12°C |
So which one?
Pick Kos if…
you want nature, beaches and islands. It suits couples and families particularly well. It also works in July, August, when Thessaloniki is off-season.
Pick Thessaloniki if…
you want architecture and nightlife. It suits solo travellers particularly well. It also works in October.
Both are at their best in May, June, September.
Book whichever wins
Common questions
Is Kos or Thessaloniki cheaper?
Kos is mid-priced for a week, Thessaloniki is mid-priced.
Which is warmer, Kos or Thessaloniki?
Kos peaks at 31°C in July; Thessaloniki peaks at 33°C in July.
Can you do both in one trip?
Yes — they are in the same country, so combining them is straightforward.
Temperatures are measured averages (ERA5, Open-Meteo). Hotel links are partner links — your price is unchanged.