Swimming in Hydra Island in december 2026: Average sea temperature in december and tide times in december 2026
Average sea temperature in Hydra Island in december 2026.
In december, according to seasonal norms, the sea temperature in Hydra Island is:
Minimum: 60°F
Average: 63°F
Maximum: 67°F
Other useful seasonal weather averages in december:
- Outside temperature: 52°F to 59°F
- Most common weather: "Clear/Sunny"
- The wind blows at 6.2mph
- It rains a total of 2.9in, over 4 day(s).
Should we swim in Hydra Island in december?
Yes... and no. The water temperature in Hydra Island in december is cool
Swimming in december on the beaches of Hydra Island is possible but the sea water is cool. So even though the sea temperature sometimes climbs to 67°F, it can also be as low as 60°F! Note that the average is 63°F.
Note also that in december, the climate is tolerable with an average outside temperature of 56°F, 2.8in of precipitation (over 4 days) and 75.96 % humidity.
Water and normal seasonal temperatures in Hydra Island in december
| December | |||
| Average sea temperature | 63°F | ||
| Minimum sea temperature | 60°F | ||
| Maximum sea temperature | 67°F | ||
| Average outside temperature | 56°F | ||
| Maximum outside temperature | 59°F | ||
| Minimum outside temperature | 52°F | ||
| Wind speed | 11.2mph | ||
| Wind temperature | 50°F | ||
| Precipitation | 2.9in | ||
| Number of days of rain | 4 jour(s) (12%) | ||
| Humidity | 76% | ||
| Visibility in kilometers | 9.63km | ||
| Cloud cover | 33% | ||
| Our opinion | cool swimming |
Chart of the tides in december 2026
Tide times in december 2026 in Hydra Island
Swim elsewhere in Greece in december
| City | Average T° | Min. T° | Max. T° | Our opinion | Athens in december | 62°F | 65°F | cold swimming | Greek islands of the Cyclades in december | 63°F | 66°F | cold swimming | Mykonos in december | 63°F | 66°F | cold swimming | Paros in december | 63°F | 66°F | cold swimming | Rhodes in december | 67°F | 70°F | cool swimming | Samos in december | 64°F | 68°F | cool swimming | Skiathos in december | 60°F | 64°F | cold swimming | Thessaloniki in december | 59°F | 63°F | freezing swimming | Zante in december | 64°F | 68°F | cool swimming | Alonissos in december | 60°F | 63°F | cold swimming | Antiparos in december | 63°F | 66°F | cold swimming | Chios in december | 63°F | 66°F | cool swimming | Gregolimano in december | 62°F | 65°F | cold swimming | Kalamata in december | 65°F | 68°F | cool swimming | Karpathos in december | 65°F | 69°F | cool swimming | Kavala in december | 58°F | 62°F | freezing swimming | Lavrio in december | 62°F | 65°F | cold swimming | Lefkáda in december | 64°F | 68°F | cool swimming | Lemnos in december | 60°F | 64°F | cold swimming | Lesbos in december | 62°F | 65°F | cold swimming |