Ustica Sea Temperature
Italy · Forecast updated Jul 15, 2026, 06:22 UTC · refresh delayed
Current Sea Temperature
28.2°C
82.8°F
Very warm water
Versus this month's average
Close to average
The July average in our archive is 28.4°C (83.1°F).
Recent trend
Warming by 0.6°C
Seven-day average: 28.5°C, versus 28.0°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 mean the sea is safe.
Sea Surface Temperature Over the Year
In the data collected for Ustica, monthly averages range from about 25.9°C (78.5°F) in June to 28.4°C (83.1°F) in July.
Over the past 30 days, the average sea temperature in Ustica has been 27.8°C.
Monthly Water Temperature Averages
| Month | Min | Average | Max |
|---|---|---|---|
| June | 22.5°C / 72.5°F | 25.9°C / 78.5°F | 29.4°C / 84.9°F |
| July | 27.5°C / 81.5°F | 28.4°C / 83.1°F | 29.8°C / 85.6°F |
Profile calculated from 1071 hourly forecast records across 2 monthly periods. This is a growing archive, not a long-term climate normal.
About the water at Ustica
Volcanic island marine reserve north of Palermo with vivid clear water.
- Area
- Sicily
Ustica Water Temperature — Common Questions
What is the sea temperature in Ustica today?
The current sea surface temperature in Ustica is 28.2°C. Over the last 30 days, the average has been 27.8°C.
When is the water warmest in Ustica?
The warmest monthly average in the Ustica archive is July, at around 28.4°C (83.1°F).
When is the water coldest in Ustica?
The coldest monthly average in the archive is June, at around 25.9°C (78.5°F).
Can you swim in Ustica today?
Yes — at 28.2°C the water is warm enough for comfortable swimming and snorkeling.
Full Snorkeling Forecast
See how today's sea temperature, wave height, wind, and tides combine into a detailed snorkeling score for Ustica.
View Snorkel Forecast →