Rhodes Water Temperature
Updated Tue 14:53 (Europe/Athens)
Greece · Forecast updated Sep 22, 2026, 14:53 UTC · refresh delayed
Current Sea Temperature
28.6°C
83.5°F
Very warm water
Valid Sep 22, 2026, 14:53 (Europe/Athens). Source: stored Open-Meteo marine forecast. Temperature is not a safety rating or snorkel score.
Versus this month's average
1.0°C above
The typical September average is 27.6°C (81.7°F) from the historical baseline.
Recent trend
Cooling by 0.5°C
Seven-day average: 28.1°C, versus 28.5°C in the prior seven days.
What to wear
Very warm water
Swimwear is usually enough; a rash guard adds sun protection.
Cold tolerance varies. Wind, session length, sunshine, and exertion also affect comfort; temperature alone does not describe sea conditions or replace the snorkel forecast.
Rhodes is in the Dodecanese. Anthony Quinn Bay and other rocky coves can feel different from open coast even when the island water temperature is similar. Check the beach forecast for wind and waves; temperature is not a snorkel-safety score.
Typical Sea Temperature Over the Year
In the historical baseline for Rhodes, typical monthly averages range from about 17.6°C (63.7°F) in March to 28.7°C (83.7°F) in August.
Over the past 30 days, the average sea temperature in Rhodes has been 28.4°C.
Historical baseline (full year)
Northern Hemisphere. Summer is generally June–August; winter is December–February.
Typical monthly sea-surface temperature near Rhodes, calculated from hourly observations for 2023–2025. This is not this site's forecast archive.
| Month | Typical range | Average |
|---|---|---|
| January | 18.9–20.1°C | 19.4°C / 66.9°F |
| February | 17.5–18.8°C | 18.1°C / 64.6°F |
| March | 16.9–18.4°C | 17.6°C / 63.7°F |
| April | 17.5–19.5°C | 18.3°C / 64.9°F |
| May | 19.6–21.0°C | 20.3°C / 68.5°F |
| June | 23.5–25.5°C | 24.6°C / 76.3°F |
| July | 26.5–28.3°C | 27.7°C / 81.9°F |
| August | 28.3–29.3°C | 28.7°C / 83.7°F |
| September | 27.2–28.1°C | 27.6°C / 81.7°F |
| October | 24.7–26.1°C | 25.6°C / 78.1°F |
| November | 23.0–23.5°C | 23.2°C / 73.8°F |
| December | 19.8–21.3°C | 20.7°C / 69.3°F |
Source: Open-Meteo Marine API, MeteoFrance sea-surface temperature dataset. Nearest sea grid cell (36.29, 27.79). Each month is the mean of yearly monthly means; the range is the lowest and highest of those yearly monthly means. Open-Meteo methodology.
Water temperature by month
Each month uses the 2023–2025 baseline. The range is the lowest and highest yearly monthly mean, not an hourly extreme.
Rhodes in January
Typical January water temperature near Rhodes is 19.4°C (66.9°F), with yearly monthly means from 18.9–20.1°C.
Rhodes in February
Typical February water temperature near Rhodes is 18.1°C (64.6°F), with yearly monthly means from 17.5–18.8°C.
Rhodes in March
Typical March water temperature near Rhodes is 17.6°C (63.7°F), with yearly monthly means from 16.9–18.4°C.
Rhodes in April
Typical April water temperature near Rhodes is 18.3°C (64.9°F), with yearly monthly means from 17.5–19.5°C.
Rhodes in May
Typical May water temperature near Rhodes is 20.3°C (68.5°F), with yearly monthly means from 19.6–21.0°C.
Rhodes in June
Typical June water temperature near Rhodes is 24.6°C (76.3°F), with yearly monthly means from 23.5–25.5°C.
Rhodes in July
Typical July water temperature near Rhodes is 27.7°C (81.9°F), with yearly monthly means from 26.5–28.3°C.
Rhodes in August
Typical August water temperature near Rhodes is 28.7°C (83.7°F), with yearly monthly means from 28.3–29.3°C.
Rhodes in September
Typical September water temperature near Rhodes is 27.6°C (81.7°F), with yearly monthly means from 27.2–28.1°C.
Rhodes in October
Typical October water temperature near Rhodes is 25.6°C (78.1°F), with yearly monthly means from 24.7–26.1°C.
Rhodes in November
Typical November water temperature near Rhodes is 23.2°C (73.8°F), with yearly monthly means from 23.0–23.5°C.
Rhodes in December
Typical December water temperature near Rhodes is 20.7°C (69.3°F), with yearly monthly means from 19.8–21.3°C.
Forecast archive (growing)
These values come from hourly forecasts SnorkelForecast has stored. They cover only months with records and do not replace the historical baseline.
| Month | Min | Average | Max |
|---|---|---|---|
| June | 22.0°C / 71.6°F | 25.1°C / 77.2°F | 27.8°C / 82.0°F |
| July | 25.1°C / 77.2°F | 27.1°C / 80.8°F | 30.1°C / 86.2°F |
| August | 27.0°C / 80.6°F | 28.9°C / 84.1°F | 30.1°C / 86.2°F |
| September | 27.0°C / 80.6°F | 28.2°C / 82.8°F | 29.3°C / 84.7°F |
Partial coverage: 4 calendar months with records. Profile calculated from 2735 hourly forecast records across 4 monthly periods. This is a growing archive, not a long-term climate normal.
About the water at Rhodes
Dodecanese island whose Anthony Quinn Bay is a famous rocky snorkeling cove.
- Area
- Dodecanese
Rhodes Water Temperature: Common Questions
What is the water temperature in Rhodes today?
The current sea surface temperature near Rhodes is 28.6°C (83.5°F). Over the last 30 days, the average has been 28.4°C.
When is the water warmest in Rhodes?
The water is typically warmest in August, at around 28.7°C (83.7°F) in the 2023–2025 historical baseline.
When is the water coldest in Rhodes?
The water is typically coldest in March, at around 17.6°C (63.7°F) in the same historical baseline. A wetsuit is usually recommended during this period.
Can you swim in Rhodes today?
At 28.6°C, the water is usually comfortable for swimming and snorkeling.
Full Snorkeling Forecast
See how today's sea temperature, wave height, wind, and tides combine into a detailed snorkeling score for Rhodes.
View Snorkel Forecast →