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
18.1°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.
- 1CapriccioliArzachena, Italy18.7°C
- 2Cala SpinosaSanta Teresa Gallura, Italy18.6°C
- 3Notteri BeachVillasimius, Italy18.6°C
- 4Maddalena BeachCapoterra, Italy18.6°C
- 5Cala MarioluBaunei, Italy18.6°C
- 6La CintaSan Teodoro, Italy18.6°C
- 7Porto TavernaLoiri Porto San Paolo, Italy18.6°C
- 8Rena di LevanteSanta Teresa Gallura, Italy18.6°C
- 9BuggerruBuggerru, Italy18.6°C
- 10TuerreddaTeulada, Italy18.5°C
- 11Cala SinziasCastiadas, Italy18.5°C
- 12Rena di PonenteSanta Teresa Gallura, Italy18.5°C
- 13Portobello di GalluraAglientu, Italy18.5°C
- 14Vignola MareAglientu, Italy18.5°C
- 15LazzarettoAlghero, Italy18.5°C
- 16La PelosaStintino, Italy18.4°C
- 17Capriccioli BeachArzachena, Italy18.4°C
- 18Spiaggia del PrincipeArzachena, Italy18.4°C
- 19Porto Cervo BeachArzachena, Italy18.4°C
- 20Is ArutasCabras, Italy18.4°C
- 21Spiaggia del PrincipeArzachena, Italy18.4°C
- 22Le BombardeAlghero, Italy18.4°C
- 23Maria PiaAlghero, Italy18.4°C
- 24Costa ReiMuravera, Italy18.3°C
- 25Cala CoticcioLa Maddalena, Italy18.3°C
- 26Spiaggia di BerchidaSiniscola, Italy18.3°C
- 27Cala LiberottoOrosei, Italy18.3°C
- 28Cala GineproOrosei, Italy18.3°C
- 29MasuaIglesias, Italy18.3°C
- 30Cala ReginaSinnai, Italy18.3°C
- 31Spiaggia di SimiusVillasimius, Italy18.3°C
- 32Cala BrandinchiSan Teodoro, Italy18.2°C
- 33Romazzino BeachArzachena, Italy18.2°C
- 34Cala BattistoniArzachena, Italy18.2°C
- 35Cala DomesticaBuggerru, Italy18.2°C
- 36Spiaggia di TuerreddaTeulada, Italy18.1°C
- 37Mari PintauQuartu Sant'Elena, Italy18.1°C
- 38Cala BirialaBaunei, Italy18.1°C
- 39Spiaggia di Baja SardiniaArzachena, Italy18.1°C
- 40La MarmorataSanta Teresa Gallura, Italy18.1°C
- 41San Giovanni AlgheroAlghero, Italy18.1°C
- 42ScivuArbus, Italy18.1°C
- 43Punta MolentisVillasimius, Italy18.1°C
- 44Cala LunaBaunei, Italy18.0°C
- 45Grande PeveroArzachena, Italy18.0°C
- 46La CelviaArzachena, Italy18.0°C
- 47Spiaggia di Ezzi MannuStintino, Italy18.0°C
- 48PlatamonaSassari, Italy18.0°C
- 49Mari PintauSinnai, Italy18.0°C
- 50Spiaggia RosaBudelli, Italy17.9°C
- 51ChiaDomus de Maria, Italy17.9°C
- 52Bombarde BeachAlghero, Italy17.9°C
- 53BidderosaOrosei, Italy17.9°C
- 54Cala di VolpeArzachena, Italy17.9°C
- 55Rena BiancaSanta Teresa Gallura, Italy17.9°C
- 56Spiaggia di BalaiPorto Torres, Italy17.9°C
- 57Marina di SorsoSorso, Italy17.9°C
- 58Porto PinoSant'Anna Arresi, Italy17.9°C
- 59Spiaggia di SolanasSinnai, Italy17.9°C
- 60Spiaggia del PrincipeArzachena, Italy17.8°C
- 61Cala MoscaCagliari, Italy17.8°C
- 62RomazzinoArzachena, Italy17.8°C
- 63Torre del PorticcioloAlghero, Italy17.8°C
- 64Cala GoloritzéBaunei, Italy17.7°C
- 65Spiaggia di PiscinasArbus, Italy17.7°C
- 66Mari ErmiCabras, Italy17.7°C
- 67Cala MarioluBaunei, Italy17.7°C
- 68Cala SisineBaunei, Italy17.7°C
- 69Le SalineStintino, Italy17.7°C
- 70MugoniAlghero, Italy17.7°C
- 71Cala CipollaDomus de Maria, Italy17.7°C
- 72Piccolo PeveroArzachena, Italy17.6°C
- 73PoettoCagliari, Italy17.6°C
- 74Spiaggia Su BaroneOrosei, Italy17.5°C
- 75Spiaggia BiancaGolfo Aranci, Italy17.5°C
- 76Cala SabinaGolfo Aranci, Italy17.5°C
- 77Cala SpinosaSanta Teresa Gallura, Italy17.5°C
- 78Porto FerroSassari, Italy17.5°C
- 79Torre dei CorsariArbus, Italy17.5°C
- 80Porto GiuncoVillasimius, Italy17.5°C
- 81Liscia RujaArzachena, Italy17.4°C
- 82Lu ImpostuSan Teodoro, Italy17.4°C
- 83Tavolara BeachLoiri Porto San Paolo, Italy17.3°C
- 84Spiaggia di Porto IstanaOlbia, Italy17.3°C
Swimming in the Sardinia — FAQ
How warm is the sea in the Sardinia in November?
The Tyrrhenian Sea off the Sardinia averages about 18.0°C in November, 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.