Thessaloniki, GreeceQuick decision
When to visit Thessaloniki?
🌞 Best time overall
September
🌡️ Optimal temperature
18°C–28°C in September
🌧 Least rain
17% rainy days in September
🌧 Wettest month
December (27%)
📅 Best score
8.9/10
By trip type
Best time by type of trip
White Tower & HeritageYear-round — White Tower, Rotunda, Ano Poli and ramparts.
GastronomyYear-round — bougatsa, gyros and Modiano market mezze.
NightlifeYear-round — Ladadika, bars and clubs until dawn.
Halkidiki BeachesJune–September — Kassandra and Sithonia 1h away.
Monthly climate data
Thessaloniki weather month by month
| Month | Min °C | Max °C | Rainy days (%) | Precip. mm/d | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌫️ January | 2°C | 11°C | 24% | 2.1 | 8.1h | 5.5/10 |
| ⛅ February | 5°C | 13°C | 27% | 1.4 | 9.0h | 6.4/10 |
| ⛅ March | 7°C | 16°C | 36% | 2.5 | 10.4h | 7.0/10 |
| 🌤️ April | 10°C | 20°C | 27% | 1.9 | 11.6h | 7.6/10 |
| 🌤️ May | 15°C | 24°C | 32% | 2.3 | 13.0h | 8.2/10 |
| ☀️ June | 20°C | 30°C | 20% | 1.9 | 13.3h | 8.6/10 |
| ☀️ July | 22°C | 33°C | 12% | 1.1 | 13.2h | 8.0/10 |
| ☀️ August | 22°C | 32°C | 14% | 0.9 | 12.7h | 8.3/10 |
| ☀️ September | 18°C | 28°C | 17% | 1.2 | 11.1h | 8.9/10 |
| 🌤️ October | 13°C | 22°C | 16% | 1.9 | 9.6h | 7.9/10 |
| ⛅ November | 9°C | 17°C | 33% | 2.7 | 8.2h | 7.0/10 |
| ⛅ December | 5°C | 12°C | 27% | 2.7 | 7.8h | 5.4/10 |
Ideal
Fair
Challenging climate
Source: Open-Meteo · 10 years
Seasonal breakdown
What to expect each season
🌸 Spring (Mar–May) — Good time
Average 20°C, 32% rainy days, 11.7h sunshine/day. Score: 7.6/10.
☀️ Summer (Jun–Aug) — Good time
Average 32°C, 15% rainy days, 13.1h sunshine/day. Score: 8.3/10.
🍂 Autumn (Sep–Nov) — Good time
Average 22°C, 22% rainy days, 9.6h sunshine/day. Score: 7.9/10.
❄️ Winter (Dec–Feb) — Acceptable
Average 12°C, 26% rainy days, 8.3h sunshine/day. Score: 5.8/10.
Accommodation
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Tip : March, November offer a good weather/price balance — decent score with fewer crowds.
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Activities and tours in Thessaloniki
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Flights
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Monthly weather
Detailed weather by month
FAQ
Frequently asked questions
September is ideal with 17% rainy days and 28°C.
December is the wettest month with 27% rainy days.
Yes, September is the best month with an average of 28°C.
In winter, the average score is 5.8/10. Acceptable conditions for cultural visits.
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