Sardinia is a coastal area of Italy on the Tyrrhenian Sea, with 84 tracked beaches. The sea here ranges from about 13°C in the coolest month to 26°C at the summer peak, with roughly 5 months a year sitting above 20°C — the level most swimmers describe as pleasant without a wetsuit. Use the beach list below to check the current sea temperature at each spot before you head out.
Sardinia
84 tracked beaches in Sardinia, Italy, with live Tyrrhenian Sea temperatures.
Sea
Tyrrhenian Sea
Avg sea temp now
24.0°C
Best months
June – October
Best time to swim in Sardinia
The sea in Sardinia peaks in August, when the water averages around 26°C.
The main swimming season runs from June – October, when surface temperatures stay comfortable for extended sessions.
On average, 5 months a year sit above 20°C — the threshold most swimmers describe as pleasant without a wetsuit.
Shoulder months like May and November are noticeably cooler but often quieter, with fewer crowds and steadier weather.
Outside peak season the water drops toward 16°C, so a 3/2mm shorty or full wetsuit makes long swims much more comfortable.
The coldest month is typically February at around 13°C, when cold-water swimmers dominate the coast.
Sardinia sea temperature history
Long-term climatology for Sardinia shows an annual mean sea temperature of 19°C, ranging from 13°C in winter to 26°C at the summer peak.
The seasonal swing is roughly 13°C between the coldest and warmest month — a useful yardstick when comparing years or checking whether the current sea is running above or below average.
Recent decades have trended slightly warmer at Sardinia, in line with regional sea-surface temperature records for the wider basin.
Monthly averages below are drawn from multi-decadal climatology and are updated as new observations arrive.
Jan
14°C
Feb
13°C
Mar
14°C
Apr
16°C
May
19°C
Jun
23°C
Jul
25°C
Aug
26°C
Sep
24°C
Oct
21°C
Nov
18°C
Dec
15°C
Values are area averages; individual beaches vary by exposure and depth.
Sardinia sea temperature: frequently asked questions
What is the warmest month to swim in Sardinia?
August is the warmest month in Sardinia, when the sea averages about 26°C. Late-season warmth often persists a few weeks after peak.
When is the sea coldest in Sardinia?
The coldest month in Sardinia is typically February, when the water averages around 13°C. Cold-water swimmers and surfers dominate this period.
When can you swim in Sardinia without a wetsuit?
The main swimming season in Sardinia runs from June – October — about 5 months a year when the sea sits above 20°C, the level most swimmers describe as pleasant without a wetsuit.
Do I need a wetsuit in Sardinia?
Outside peak summer the water in Sardinia drops toward 16°C, so a 3/2mm shorty or full wetsuit makes long swims much more comfortable. In peak months most swimmers go without.
What is the average sea temperature in Sardinia?
The long-term annual mean sea temperature in Sardinia is about 19°C, based on multi-decadal climatology of the surrounding waters.
How do I check the current sea temperature in Sardinia?
The live reading at the top of this page shows the current sea temperature in Sardinia, updated hourly from marine buoy and satellite data. The 7-day forecast covers water, air, waves, wind and UV for the week ahead.
Beaches in the Sardinia
Ranked by current live sea temperature.
- 1Spiaggia di TuerreddaTeulada, Italy24.7°C
- 2RomazzinoArzachena, Italy24.7°C
- 3ScivuArbus, Italy24.7°C
- 4Cala LunaBaunei, Italy24.6°C
- 5Cala MoscaCagliari, Italy24.6°C
- 6Bombarde BeachAlghero, Italy24.6°C
- 7Cala BirialaBaunei, Italy24.5°C
- 8La CintaSan Teodoro, Italy24.5°C
- 9Spiaggia BiancaGolfo Aranci, Italy24.5°C
- 10CapriccioliArzachena, Italy24.5°C
- 11Grande PeveroArzachena, Italy24.5°C
- 12La MarmorataSanta Teresa Gallura, Italy24.5°C
- 13Porto PinoSant'Anna Arresi, Italy24.5°C
- 14Spiaggia di SimiusVillasimius, Italy24.5°C
- 15Maria PiaAlghero, Italy24.4°C
- 16Spiaggia di SolanasSinnai, Italy24.4°C
- 17TuerreddaTeulada, Italy24.3°C
- 18Cala SpinosaSanta Teresa Gallura, Italy24.3°C
- 19Is ArutasCabras, Italy24.3°C
- 20Cala GineproOrosei, Italy24.3°C
- 21Rena BiancaSanta Teresa Gallura, Italy24.3°C
- 22Spiaggia RosaBudelli, Italy24.2°C
- 23Mari ErmiCabras, Italy24.2°C
- 24Cala MarioluBaunei, Italy24.2°C
- 25Spiaggia di BerchidaSiniscola, Italy24.2°C
- 26Cala SabinaGolfo Aranci, Italy24.2°C
- 27Cala SpinosaSanta Teresa Gallura, Italy24.2°C
- 28Spiaggia di BalaiPorto Torres, Italy24.2°C
- 29Marina di SorsoSorso, Italy24.2°C
- 30Le BombardeAlghero, Italy24.2°C
- 31Porto FerroSassari, Italy24.2°C
- 32Cala BrandinchiSan Teodoro, Italy24.1°C
- 33Porto Cervo BeachArzachena, Italy24.1°C
- 34Mari PintauQuartu Sant'Elena, Italy24.1°C
- 35Cala SisineBaunei, Italy24.1°C
- 36BidderosaOrosei, Italy24.1°C
- 37Piccolo PeveroArzachena, Italy24.1°C
- 38Porto GiuncoVillasimius, Italy24.1°C
- 39ChiaDomus de Maria, Italy24.0°C
- 40Spiaggia del PrincipeArzachena, Italy24.0°C
- 41Porto TavernaLoiri Porto San Paolo, Italy24.0°C
- 42Spiaggia di Baja SardiniaArzachena, Italy24.0°C
- 43Portobello di GalluraAglientu, Italy24.0°C
- 44BuggerruBuggerru, Italy24.0°C
- 45Spiaggia di PiscinasArbus, Italy23.9°C
- 46La CelviaArzachena, Italy23.9°C
- 47Vignola MareAglientu, Italy23.9°C
- 48Torre dei CorsariArbus, Italy23.9°C
- 49Mari PintauSinnai, Italy23.9°C
- 50Spiaggia del PrincipeArzachena, Italy23.8°C
- 51Costa ReiMuravera, Italy23.8°C
- 52Spiaggia di Porto IstanaOlbia, Italy23.8°C
- 53San Giovanni AlgheroAlghero, Italy23.8°C
- 54Cala SinziasCastiadas, Italy23.7°C
- 55Cala MarioluBaunei, Italy23.7°C
- 56Cala di VolpeArzachena, Italy23.7°C
- 57Rena di PonenteSanta Teresa Gallura, Italy23.7°C
- 58Rena di LevanteSanta Teresa Gallura, Italy23.7°C
- 59MasuaIglesias, Italy23.7°C
- 60PoettoCagliari, Italy23.7°C
- 61Cala ReginaSinnai, Italy23.7°C
- 62Cala GoloritzéBaunei, Italy23.6°C
- 63Liscia RujaArzachena, Italy23.6°C
- 64Cala CoticcioLa Maddalena, Italy23.6°C
- 65Spiaggia Su BaroneOrosei, Italy23.6°C
- 66Le SalineStintino, Italy23.6°C
- 67Punta MolentisVillasimius, Italy23.6°C
- 68Capriccioli BeachArzachena, Italy23.5°C
- 69Lu ImpostuSan Teodoro, Italy23.5°C
- 70Spiaggia del PrincipeArzachena, Italy23.5°C
- 71PlatamonaSassari, Italy23.5°C
- 72Cala CipollaDomus de Maria, Italy23.5°C
- 73Tavolara BeachLoiri Porto San Paolo, Italy23.4°C
- 74Romazzino BeachArzachena, Italy23.4°C
- 75Cala LiberottoOrosei, Italy23.4°C
- 76Cala BattistoniArzachena, Italy23.4°C
- 77Spiaggia di Ezzi MannuStintino, Italy23.4°C
- 78LazzarettoAlghero, Italy23.4°C
- 79MugoniAlghero, Italy23.4°C
- 80Torre del PorticcioloAlghero, Italy23.4°C
- 81Cala DomesticaBuggerru, Italy23.4°C
- 82La PelosaStintino, Italy23.3°C
- 83Notteri BeachVillasimius, Italy23.3°C
- 84Maddalena BeachCapoterra, Italy23.3°C
Swimming in the Sardinia — FAQ
How warm is the sea in the Sardinia in September?
The Tyrrhenian Sea off the Sardinia averages about 24.0°C in September, based on long-term monthly averages for this coast.
When is the best time to swim in the Sardinia?
The Sardinia is warmest in August (around 26.0°C) and coldest in February (around 13.0°C). There are typically 4 months a year when the water sits above 22°C.
What is the average yearly sea temperature in the Sardinia?
Across all twelve months, the sea in the Sardinia averages about 19.0°C.
Do you need a wetsuit to swim in the Sardinia?
In peak season (around August, ~26.0°C) most swimmers are comfortable without a wetsuit. Outside summer, when the water drops toward 13.0°C, a 3/2mm to 5/4mm wetsuit is recommended.