Greece · South Aegean

Sea temperature at Monolithos

25°C

Warm and pleasant for swimming

Updated hourly from the live marine forecast. See the 12-month typical range and, where available, real measured readings further down the page.

7-day outlook

7-day sea temperature forecast from Open-Meteo, refreshed hourly.

Sea temperature

Next 7 days, °C

25°25°25°26°26°25.0 °CWed 2Thu 3Fri 4Sat 5Sun 6Mon 7Tue 8
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7-day sea temperature forecast for Monolithos
DaySea temp (°C)
Wed 225.7
Thu 325.4
Fri 425.1
Sat 525.2
Sun 625.3
Mon 725.4
Tue 825.0

Sea temperature by month

Modeled climatology derived from latitude and season.

Typical vs. measured sea temperature

12-month view, °C — modeled line vs. measured sample averages

14°18°22°25°29°JanFebMarAprMayJunJulAugSepOctNovDec
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Modeled vs. measured monthly sea temperature at Monolithos
MonthModeled (°C)Measured avg. (°C)
Jan17
Feb16
Mar17
Apr19
May21
Jun24
Jul26
Aug27
Sep27
Oct24
Nov21
Dec19

No measured in-season sea temperature has been published for Monolithos yet — the chart above shows the modeled climatology only. Some countries (Croatia, via IZOR) also record the sea temperature at each official water sample; check the water quality page for this beach's sampling status.

ExcellentOfficial 2025 EU bathing water rating for Monolithos. See the full water quality history →

← Back to the Monolithos overview

Frequently asked questions

What temperature is the sea at Monolithos right now?

As of the latest hourly update, the sea at Monolithos is around 25°C. See the 7-day chart above for how it's trending, and the monthly chart further down for what's typical this time of year. That's the reading right off South Aegean.

When does Monolithos have the warmest water?

The modeled climatology puts the comfortably-warm window (above 22°C) at June–October, with August typically the warmest point in that stretch. That applies to the water around South Aegean.

Is the sea temperature chart above measured or estimated?

For Monolithos, the chart above shows a modeled estimate only, derived from latitude and season — no measured average yet. Some countries, Croatia's IZOR among them, also record the sea temperature at each official sample, plotted alongside the model where available.