Mykonos sea temperature today: 24°C – beach water temperature, Mykonos, Greece
Interactive map
Greece · Mykonos
Mykonos
Sea
24.1°C75.4°F
Air
–
UV
–
Beach day
⁦23–28°C⁩

Last updated ·

Today, September 13, the sea temperature at Mykonos is 24.1 °C (75 °F). That matches the usual average of 24 °C in September. Comfortable for swimming from May to November.

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Climate · monthly averages

Sea temperature by month

5-year averages (2021–2025). Min/Max are typical daily lows and highs, not record extremes.

Warmest in August (24.8°C). Coldest in March (16.0°C). Comfortable for swimming from May to November.

5-year averages (2021–2025). Min/Max are typical daily lows and highs, not record extremes.
MonthSea · MinSea · AvgSea · MaxAir · MinAir · AvgAir · Max
January16.7°C17.2°C17.6°C13.9°C14.0°C14.0°C
February15.9°C16.3°C16.7°C12.9°C13.1°C13.2°C
March15.5°C16.0°C16.7°C13.5°C13.8°C14.0°C
April15.9°C16.5°C17.4°C15.7°C16.0°C16.2°C
May17.8°C18.2°C18.8°C18.0°C18.4°C18.6°C
June21.0°C21.7°C22.6°C22.1°C22.4°C22.4°C
July22.7°C23.9°C24.7°C24.6°C24.9°C24.8°C
August24.4°C24.8°C25.3°C25.0°C25.2°C25.1°C
September23.4°C24.0°C25.1°C23.2°C23.5°C23.5°C
October20.7°C21.5°C22.6°C20.0°C20.2°C20.4°C
November18.6°C19.5°C21.0°C17.8°C17.9°C18.0°C
December17.2°C17.9°C18.7°C15.3°C15.4°C15.4°C

About Mykonos

In the heart of the Cyclades, Mykonos answers the Aegean horizon with Kato Mili, a row of 16th-century stone windmills crowning the ridge above Little Venice and its wave-washed waterfront tavernas. Along the southern coast, Paradise Beach pulses with beach clubs and daytime music, while Psarou keeps a quieter, upscale register favoured by yacht crews and the Nammos crowd. Sea temperatures sit between 23 and 25 °C73 and 77 °F from July through September, with Mykonos airport ten minutes by road.

Frequently asked questions

Today, September 13, the sea at Mykonos is 24.1 °C (75 °F)75 °F (24.1 °C) – ideal for swimming for most people. The usual September average is 24 °C75 °F.

No single number works for everyone, so the scale on this page is only a guide to how the water feels: below 13 °C55 °F icy, 13–18 °C55–64 °F cold, 18–23 °C64–73 °F refreshing, 23–28 °C73–82 °F pleasantly warm and above 28 °C82 °F like a bath. Right now the sea at Mykonos is 24.1 °C75 °F.

In May the sea at Mykonos (Mykonos, Greece) averages 18.2 °C65 °F – refreshing, good for a short swim. It keeps warming until August, when it peaks at 24.8 °C77 °F.

In October the sea at Mykonos (Mykonos, Greece) still averages 21.5 °C71 °F – refreshing, good for a short swim. It peaks in August at 24.8 °C77 °F and cools slowly from there.