Crete Sea Temperature
Updated Sat 17:15 (Europe/Athens)
Greece · Forecast updated Sep 5, 2026, 17:15 UTC
Current Sea Temperature
26.8°C
80.2°F
Warm water
Versus this month's average
Close to average
The September average in our archive is 27.0°C (80.6°F).
Recent trend
Holding fairly steady
Seven-day average: 26.9°C, versus 27.1°C in the prior seven days.
What to wear
Warm water
Most people are comfortable in swimwear or a light rash guard.
Cold tolerance varies. Wind, session length, sunshine, and exertion also affect comfort; temperature alone does not describe sea conditions.
Sea Surface Temperature Over the Year
In the data collected for Crete, monthly averages range from about 24.1°C (75.4°F) in June to 27.0°C (80.6°F) in September.
Over the past 30 days, the average sea temperature in Crete has been 26.8°C.
Monthly Water Temperature Averages
Northern Hemisphere. Summer is generally June–August; winter is December–February.
| Month | Min | Average | Max |
|---|---|---|---|
| June | 21.9°C / 71.4°F | 24.1°C / 75.4°F | 26.9°C / 80.4°F |
| July | 25.0°C / 77.0°F | 26.3°C / 79.3°F | 27.8°C / 82.0°F |
| August | 26.0°C / 78.8°F | 26.7°C / 80.1°F | 27.9°C / 82.2°F |
| September | 26.6°C / 79.9°F | 27.0°C / 80.6°F | 27.7°C / 81.9°F |
Profile calculated from 2330 hourly forecast records across 4 monthly periods. This is a growing archive, not a long-term climate normal.
About the water at Crete
Largest Greek island with clear coves, caves and warm Libyan Sea shallows.
- Area
- Crete
Crete Water Temperature: Common Questions
What is the sea temperature in Crete today?
The current sea surface temperature in Crete is 26.8°C. Over the last 30 days, the average has been 26.8°C.
When is the water warmest in Crete?
The warmest monthly average in the Crete archive is September, at around 27.0°C (80.6°F).
When is the water coldest in Crete?
The coldest monthly average in the archive is June, at around 24.1°C (75.4°F).
Can you swim in Crete today?
At 26.8°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 Crete.
View Snorkel Forecast →