Month-specific sea-surface temperature · Greece
Rhodes Sea Temperature in January
19.4°C
66.9°F
In January, sea-surface temperature near Rhodes has a historical monthly average of 19.4°C. This is not the reading for any particular holiday date.
Across 2022–2025, the lowest and highest yearly January monthly means were 18.9–20.1°C. These are not daily extremes.
Previous month
December · 20.7°C
Change into January: -1.3°C
Next month
February · 18.1°C
Change into next month: -1.3°C
Can you swim or snorkel in Rhodes in January?
At 19.4°C our temperature-only guide describes the water as cool water. Comfort depends on your cold tolerance, immersion time and wind. A historical average cannot determine whether conditions are safe on any given day.
Do you need a wetsuit?
A 3 mm shorty or full wetsuit will make longer snorkels more comfortable.
Which beach should you choose?
Look for a beach sheltered from the actual forecast waves and wind on your visit. Exposure, currents and entry conditions vary even where water temperatures are similar. Follow local warnings.
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.
Check the current waves, wind and snorkeling forecast →
A live forecast does not predict a future January. Check again close to your trip.
Data source and limitations
Source: Open-Meteo Marine API, MeteoFrance sea-surface temperature; 2022–2025. Marine model grid near 36.17, 28.00. Based on 3 yearly monthly means and 2166 recorded samples. Source methodology.
Modelled sea-surface temperatures do not establish underwater visibility, wildlife, calm currents or safe entry.