Month-specific sea-surface temperature · Italy
Sardinia Sea Temperature in July
25.1°C
77.2°F
In July, sea-surface temperature near Sardinia has a historical monthly average of 25.1°C. This is not the reading for any particular holiday date.
Across 2022–2025, the lowest and highest yearly July monthly means were 24.3–25.8°C. These are not daily extremes.
Previous month
June · 22.4°C
Change into July: +2.7°C
Next month
August · 26.1°C
Change into next month: +1.0°C
Can you swim or snorkel in Sardinia in July?
At 25.1°C our temperature-only guide describes the water as warm water. Comfort depends on your cold tolerance, immersion time and wind. A historical average cannot determine whether conditions are safe on any given day.
Do you need a wetsuit?
Most people are comfortable in swimwear or a light rash guard.
Which beach should you choose?
Look for a beach sheltered from the actual forecast waves and wind on your visit. Exposure, currents and entry conditions vary even where water temperatures are similar. Follow local warnings.
Sardinia has both sheltered coves and open coast. Use the monthly profile as an island guide, then check the exact beach forecast because wind and waves can change the feel of the water.
Check the current waves, wind and snorkeling forecast →
A live forecast does not predict a future July. Check again close to your trip.
Data source and limitations
Source: Open-Meteo Marine API, MeteoFrance sea-surface temperature; 2022–2025. Marine model grid near 41.12, 9.52. Based on 3 yearly monthly means and 2232 recorded samples. Source methodology.
Modelled sea-surface temperatures do not establish underwater visibility, wildlife, calm currents or safe entry.