City in Central Macedonia, Greece
Thessaloniki weather by month and the best time to visit
When to go to Thessaloniki
Spring and autumn are mild. July–August is hot and humid; winters are cold, damp and sometimes foggy with occasional winter smog.
Thessaloniki weather by month
Average daily high, rainfall and conditions.
- Jan9°47 mm
- Feb11°38 mm
- Mar15°48 mm
- Apr19°40 mm
- May25°46 mm
- Jun30°38 mm
- Jul34°29 mm
- Aug34°24 mm
- Sep28°47 mm
- Oct21°51 mm
- Nov16°44 mm
- Dec10°64 mm
Monthly averages
| Month | High | Low | Rain | Humidity | Conditions |
|---|---|---|---|---|---|
| January | 9°C48°F | 2°C35°F | 47 mm | 82% | Cold |
| February | 11°C51°F | 3°C37°F | 38 mm | 80% | Cold |
| March | 15°C58°F | 5°C42°F | 48 mm | 76% | Cool |
| April | 19°C66°F | 9°C48°F | 40 mm | 71% | Pleasant |
| May | 25°C77°F | 14°C57°F | 46 mm | 65% | Pleasant |
| June | 30°C87°F | 19°C66°F | 38 mm | 57% | Pleasant |
| July | 34°C93°F | 22°C71°F | 29 mm | 50% | Hot |
| August | 34°C92°F | 22°C71°F | 24 mm | 50% | Hot |
| September | 28°C82°F | 17°C63°F | 47 mm | 60% | Pleasant |
| October | 21°C71°F | 12°C54°F | 51 mm | 72% | Pleasant |
| November | 16°C60°F | 8°C46°F | 44 mm | 79% | Cool |
| December | 10°C50°F | 3°C38°F | 64 mm | 83% | Cold |
Best months across Greece
| Place | Best months | Warmest month |
|---|---|---|
| Athens | Apr–Jun, Sep–Oct | Jul (33°C) |
| Santorini | May–Jun, Sep–Oct | Aug (26°C) |
| Mykonos | May–Jun, Sep | Aug (25°C) |
| Crete | May–Jun, Sep–Oct | Aug (28°C) |
| Rhodes | May–Jun, Sep–Oct | Aug (32°C) |
| Corfu | May–Jun, Sep–Oct | Aug (30°C) |
| Thessaloniki | Apr–Jun, Sep–Oct | Jul (34°C) |
| Naxos | May–Jun, Sep–Oct | Aug (27°C) |
| Paros | May–Jun, Sep–Oct | Aug (27°C) |
| Zakynthos | May–Jun, Sep–Oct | Aug (29°C) |
| Chania | May–Jun, Sep–Oct | Jul (30°C) |
| Milos | May–Jun, Sep–Oct | Aug (26°C) |
| Kos | May–Jun, Sep–Oct | Aug (32°C) |
| Kefalonia | May–Jun, Sep–Oct | Aug (29°C) |
| Meteora | Apr–May, Sep–Oct | Jul (36°C) |
| Halkidiki | Jun–Sep | Jul (29°C) |
| Ios | Jun–Sep | Aug (26°C) |
| Lefkada | May–Jun, Sep–Oct | Aug (31°C) |
| Nafplio | Apr–Jun, Sep–Oct | Jul (36°C) |
| Skiathos | Jun–Jul, Sep | Aug (28°C) |
| Hydra | May–Jun, Sep–Oct | Aug (28°C) |
| Peloponnese | Apr–Jun, Sep–Oct | Aug (33°C) |
| Thassos | Jun–Jul, Sep | Aug (33°C) |
Quick answers
What is the best month to visit Thessaloniki?
Apr–Jun, Sep–Oct. Spring and autumn are mild. July–August is hot and humid; winters are cold, damp and sometimes foggy with occasional winter smog.
When is the rainy season in Thessaloniki?
Rain peaks in December with about 64 mm. No month averages 150 mm or more.
What is the hottest month in Thessaloniki?
July, with average highs of 34°C (93°F).
How cold does Thessaloniki get?
The coolest nights are in January, averaging 2°C (35°F).
More about Thessaloniki
Going to Thessaloniki solo?
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Sources
- NASA POWER climatology (2001–2020)
- Thessaloniki Metro
- OASTH
- Thessaloniki Airport (Fraport Greece)
- Visit Greece
Climate averages are modelled from NASA POWER (MERRA-2) for 2001–2020 at about 50 km resolution, so coasts and valleys can differ a little. Temperatures are adjusted by 0.8°C for the city's elevation. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.