Swimming in Sardinia in august 2025 Sea temperature by city in august

Do you want to go to the beach in Sardinia in august 2025? Is it the right month to go for pleasant temperatures and staying in the water for a long time? The answer is on this page with the sea temperatures in august in Sardinia by city and our opinion on the chances of enjoying pleasant sea conditions.

Sea temperature in Sardinia in august 2025

Here, find the average sea temperature in Sardinia in august in several coastal cities.

Cagliari

on average:

77°F

min: 73°F / max: 81°F

Alghero

on average:

76°F

min: 72°F / max: 80°F

Olbia

on average:

77°F

min: 73°F / max: 81°F

Castelsardo

on average:

76°F

min: 72°F / max: 80°F

Cala Luna

on average:

77°F

min: 73°F / max: 81°F

Capo San Marco

on average:

76°F

min: 73°F / max: 80°F

Sulcis

on average:

76°F

min: 73°F / max: 80°F

Isola Tavolara

on average:

77°F

min: 73°F / max: 81°F

La Maddalena

on average:

76°F

min: 72°F / max: 80°F

Porto Cervo

on average:

76°F

min: 72°F / max: 81°F

San Teodoro

on average:

77°F

min: 73°F / max: 81°F

Stintino

on average:

76°F

min: 71°F / max: 80°F

Arbatax

on average:

77°F

min: 73°F / max: 81°F

Bosa

on average:

76°F

min: 71°F / max: 80°F

Carbonia

on average:

76°F

min: 73°F / max: 80°F

Carloforte

on average:

76°F

min: 73°F / max: 80°F

Dorgali - Cala Gonone

on average:

77°F

min: 73°F / max: 81°F

Muravera

on average:

77°F

min: 73°F / max: 81°F

Oristano

on average:

76°F

min: 73°F / max: 80°F

Orosei

on average:

77°F

min: 73°F / max: 81°F

Palau

on average:

76°F

min: 72°F / max: 81°F

Porto Torres

on average:

76°F

min: 71°F / max: 80°F

Pula

on average:

77°F

min: 73°F / max: 81°F

Santa Teresa Gallura

on average:

76°F

min: 72°F / max: 81°F

Villasimius

on average:

77°F

min: 73°F / max: 81°F

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Sea temperature in july in Sardinia

Sea temperature in september in Sardinia

Where should you go swimming in Sardinia in the month of august?

Swimming in Sardinia in august is pleasant

In august in Sardinia swimming conditions are generally the same everywhere.

As for Cagliari, Alghero, Olbia, Castelsardo, Cala Luna, Capo San Marco, Sulcis, Isola Tavolara, La Maddalena, Porto Cervo, San Teodoro, Stintino, Arbatax, Bosa, Carbonia, Carloforte, Dorgali - Cala Gonone, Muravera, Oristano, Orosei, Palau, Porto Torres, Pula, Santa Teresa Gallura and Villasimius, swimming is pleasant in august. The sea water is 77°F on average (min: 73°F/max: 81°F) so you can easily spend time in the water.

Where to go swimming in Sardinia in august: the map of sea temperatures

ideal swimming

pleasant swimming

cool swimming

cold swimming

freezing swimming

Water temperature and seasonal norms in august

Cagliari

	July	August	September
Average sea temperature	76°F	77°F	76°F
Minimum sea temperature	72°F	73°F	71°F
Maximum sea temperature	80°F	81°F	80°F
Average outside temperature	83°F	83°F	77°F
Maximum outside temperature	88°F	88°F	81°F
Minimum outside temperature	77°F	77°F	72°F
Precipitation	0.4in	1in	2.3in
Number of days of precipitation	1 jour(s) (2%)	1 jour(s) (4%)	3 jour(s) (11%)
Cloud cover	7%	7%	16%
Our opinion	pleasant swimming	pleasant swimming	pleasant swimming

More information on swimming in Cagliari in august

Alghero

	July	August	September
Average sea temperature	74°F	76°F	75°F
Minimum sea temperature	71°F	72°F	70°F
Maximum sea temperature	78°F	80°F	79°F
Average outside temperature	79°F	81°F	76°F
Maximum outside temperature	83°F	83°F	79°F
Minimum outside temperature	77°F	77°F	70°F
Precipitation	0.6in	1in	2.6in
Number of days of precipitation	1 jour(s) (2%)	2 jour(s) (5%)	4 jour(s) (14%)
Cloud cover	9%	8%	18%
Our opinion	pleasant swimming	pleasant swimming	pleasant swimming

More information on swimming in Alghero in august

Olbia

	July	August	September
Average sea temperature	76°F	77°F	75°F
Minimum sea temperature	72°F	73°F	70°F
Maximum sea temperature	80°F	81°F	80°F
Average outside temperature	83°F	83°F	76°F
Maximum outside temperature	88°F	88°F	81°F
Minimum outside temperature	77°F	76°F	70°F
Precipitation	0.6in	0.8in	2.6in
Number of days of precipitation	1 jour(s) (2%)	1 jour(s) (3%)	4 jour(s) (13%)
Cloud cover	8%	7%	18%
Our opinion	pleasant swimming	pleasant swimming	pleasant swimming

More information on swimming in Olbia in august

Castelsardo

	July	August	September
Average sea temperature	75°F	76°F	75°F
Minimum sea temperature	71°F	72°F	70°F
Maximum sea temperature	79°F	80°F	79°F
Average outside temperature	79°F	79°F	74°F
Maximum outside temperature	83°F	85°F	77°F
Minimum outside temperature	74°F	74°F	70°F
Precipitation	0.6in	1.1in	2.3in
Number of days of precipitation	1 jour(s) (2%)	1 jour(s) (4%)	3 jour(s) (11%)
Cloud cover	9%	8%	18%
Our opinion	pleasant swimming	pleasant swimming	pleasant swimming

More information on swimming in Castelsardo in august

Cala Luna

	July	August	September
Average sea temperature	76°F	77°F	75°F
Minimum sea temperature	72°F	73°F	70°F
Maximum sea temperature	79°F	81°F	81°F
Average outside temperature	83°F	83°F	74°F
Maximum outside temperature	90°F	90°F	81°F
Minimum outside temperature	76°F	74°F	67°F
Precipitation	1.1in	1.8in	2.7in
Number of days of precipitation	2 jour(s) (6%)	3 jour(s) (9%)	3 jour(s) (11%)
Cloud cover	10%	8%	20%
Our opinion	pleasant swimming	pleasant swimming	pleasant swimming

List of coastal cities in Sardinia

Cagliari in august	pleasant swimming
Alghero in august	pleasant swimming
Olbia in august	pleasant swimming
Castelsardo in august	pleasant swimming
Cala Luna in august	pleasant swimming
Capo San Marco in august	pleasant swimming
Sulcis in august	pleasant swimming
Isola Tavolara in august	pleasant swimming
La Maddalena in august	pleasant swimming
Porto Cervo in august	pleasant swimming
San Teodoro in august	pleasant swimming
Stintino in august	pleasant swimming
Arbatax in august	pleasant swimming
Bosa in august	pleasant swimming
Carbonia in august	pleasant swimming
Carloforte in august	pleasant swimming
Dorgali - Cala Gonone in august	pleasant swimming
Muravera in august	pleasant swimming
Oristano in august	pleasant swimming
Orosei in august	pleasant swimming
Palau in august	pleasant swimming
Porto Torres in august	pleasant swimming
Pula in august	pleasant swimming
Santa Teresa Gallura in august	pleasant swimming
Villasimius in august	pleasant swimming