Medes Islands Sea Temperature
Updated Sat 17:52 (Europe/Madrid)
Spain · Forecast updated Sep 5, 2026, 17:52 UTC
Current Sea Temperature
25.9°C
78.6°F
Warm water
Versus this month's average
1.0°C above
The September average in our archive is 24.9°C (76.9°F).
Recent trend
Cooling by 1.2°C
Seven-day average: 24.9°C, versus 26.1°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 Medes Islands, monthly averages range from about 21.5°C (70.7°F) in June to 26.4°C (79.6°F) in August.
Over the past 30 days, the average sea temperature in Medes Islands has been 26.2°C.
Monthly Water Temperature Averages
Northern Hemisphere. Summer is generally June–August; winter is December–February.
| Month | Min | Average | Max |
|---|---|---|---|
| June | 20.2°C / 68.4°F | 21.5°C / 70.7°F | 23.8°C / 74.8°F |
| July | 21.8°C / 71.2°F | 24.6°C / 76.3°F | 26.2°C / 79.2°F |
| August | 24.8°C / 76.6°F | 26.4°C / 79.6°F | 27.6°C / 81.7°F |
| September | 24.3°C / 75.7°F | 24.9°C / 76.9°F | 25.7°C / 78.3°F |
Profile calculated from 2329 hourly forecast records across 4 monthly periods. This is a growing archive, not a long-term climate normal.
About the water at Medes Islands
Protected Costa Brava islets with the western Med's richest reef life.
- Area
- Catalonia
Medes Islands Water Temperature: Common Questions
What is the sea temperature in Medes Islands today?
The current sea surface temperature in Medes Islands is 25.9°C. Over the last 30 days, the average has been 26.2°C.
When is the water warmest in Medes Islands?
The warmest monthly average in the Medes Islands archive is August, at around 26.4°C (79.6°F).
When is the water coldest in Medes Islands?
The coldest monthly average in the archive is June, at around 21.5°C (70.7°F).
Can you swim in Medes Islands today?
At 25.9°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 Medes Islands.
View Snorkel Forecast →