Medes Islands Sea Temperature

Updated Sat 17:52 (Europe/Madrid)

Spain · Forecast updated Sep 5, 2026, 17:52 UTC

← Snorkel forecast for Medes Islands

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 →