Mykonos water temperature
The sea off Mykonos is warmest in August, around 75°F (24°C), and coolest in February, around 60°F (16°C).
Photo: dronepicr, CC BY 2.0
Sea temperature by month
| Month | Sea | Feels | Air high |
|---|---|---|---|
| January | 61°F (16°C) | Cold: wetsuit | 58°F |
| February | 60°F (16°C) | Cold: wetsuit | 59°F |
| March | 60°F (16°C) | Cold: wetsuit | 61°F |
| April | 61°F (16°C) | Cold: wetsuit | 66°F |
| May | 65°F (18°C) | Cool: wetsuit for long swims | 73°F |
| June | 71°F (22°C) | Refreshing | 79°F |
| July | 74°F (23°C) | Pleasant | 82°F |
| August | 75°F (24°C) | Pleasant | 82°F |
| September | 74°F (23°C) | Pleasant | 78°F |
| October | 70°F (21°C) | Refreshing | 72°F |
| November | 66°F (19°C) | Cool: wetsuit for long swims | 67°F |
| December | 63°F (17°C) | Cold: wetsuit | 61°F |
Average sea-surface temperature just offshore, 1991–2020. Water in shallow bays runs a little warmer on sunny afternoons.
On the water in Mykonos
Questions
When is the water warmest in Mykonos?
August, at about 75°F (24°C).
Can you swim in Mykonos all year?
The water is comfortably warm (73°F/23°C or more) in July, August, September. Outside those months most people want a wetsuit for long swims.
Do I need a wetsuit to snorkel in Mykonos?
In February, at 60°F, a 3 mm wetsuit makes a long snorkel much more comfortable. Many tours include or rent one.
