Ustica Sea Temperature
Updated Sat 06:37 (Europe/Rome)
Italy · Forecast updated Aug 8, 2026, 06:37 UTC
Current Sea Temperature
30.0°C
86.0°F
Very warm water
Versus this month's average
Close to average
The August average in our archive is 30.0°C (86.0°F).
Recent trend
Warming by 0.5°C
Seven-day average: 29.9°C, versus 29.4°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 describe sea conditions.
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 30.0°C (86.0°F) in August.
Over the past 30 days, the average sea temperature in Ustica has been 29.4°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 | 28.9°C / 84.0°F | 30.6°C / 87.1°F |
| August | 29.2°C / 84.6°F | 30.0°C / 86.0°F | 30.8°C / 87.4°F |
Profile calculated from 1647 hourly forecast records across 3 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 30.0°C. Over the last 30 days, the average has been 29.4°C.
When is the water warmest in Ustica?
The warmest monthly average in the Ustica archive is August, at around 30.0°C (86.0°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?
At 30.0°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 Ustica.
View Snorkel Forecast →