Island in Attica, Greece
Hydra weather by month and the best time to visit
When to go to Hydra
May–June and September–October are warm and calm. July–August is hot and crowded with day-trippers; winter is quiet with many restaurants closed.
Hydra weather by month
Average daily high, rainfall and conditions.
- Jan14°86 mm
- Feb14°71 mm
- Mar15°58 mm
- Apr17°32 mm
- May21°24 mm
- Jun25°20 mm
- Jul28°11 mm
- Aug28°8 mm
- Sep26°30 mm
- Oct22°54 mm
- Nov19°82 mm
- Dec15°101 mm
Monthly averages
| Month | High | Low | Rain | Humidity | Conditions |
|---|---|---|---|---|---|
| January | 14°C57°F | 12°C53°F | 86 mm | 75% | Cool |
| February | 14°C57°F | 12°C53°F | 71 mm | 76% | Cool |
| March | 15°C59°F | 13°C55°F | 58 mm | 76% | Cool |
| April | 17°C63°F | 15°C58°F | 32 mm | 76% | Cool |
| May | 21°C69°F | 18°C65°F | 24 mm | 74% | Pleasant |
| June | 25°C77°F | 22°C72°F | 20 mm | 70% | Pleasant |
| July | 28°C82°F | 25°C77°F | 11 mm | 66% | Pleasant |
| August | 28°C83°F | 26°C78°F | 8 mm | 66% | Pleasant |
| September | 26°C78°F | 23°C74°F | 30 mm | 68% | Pleasant |
| October | 22°C72°F | 20°C68°F | 54 mm | 72% | Pleasant |
| November | 19°C66°F | 17°C62°F | 82 mm | 74% | Pleasant |
| December | 15°C60°F | 13°C56°F | 101 mm | 75% | Cool |
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 Hydra?
May–Jun, Sep–Oct. May–June and September–October are warm and calm. July–August is hot and crowded with day-trippers; winter is quiet with many restaurants closed.
When is the rainy season in Hydra?
Rain peaks in December with about 101 mm. No month averages 150 mm or more.
What is the hottest month in Hydra?
August, with average highs of 28°C (83°F).
How cold does Hydra get?
The coolest nights are in January, averaging 12°C (53°F).
More about Hydra
Going to Hydra solo?
SoloSquare is where travelers, nomads and locals in Hydra meet up for small plans: coffee, dinners, walks and day trips. Join one, or start your own in a minute.
Sources
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. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.