Yes, for travelers who want hot, dry days and a warm sea: afternoons reach 89°F (32°C) in Cagliari and rain is rare. July suits archaeology in the morning and the water in the afternoon.
The big nuragic site at Barumini opens to visitors only on guided tours that leave every 30 minutes, so the heat sets the schedule. Plan the visits early and keep the afternoon for the shore.
At a glance
- Cagliari afternoon high: 89°F (32°C)
- Cagliari night low: 68°F (20°C)
- Cagliari rainy days: fewer than one in the month
- Olbia afternoon high: 89°F (32°C)
- Olbia night low: 66°F (19°C)
- Sea near Cagliari: 75°F (24°C)
What is the weather like in Sardinia in July?
| Month | Average high | Average low | Rain | Rainy days | Sea |
|---|---|---|---|---|---|
| June | 84°F (29°C) | 63°F (17°C) | 0.5 in (13 mm) | 2 | 70°F (21°C) |
| July | 89°F (32°C) | 68°F (20°C) | 0.1 in (3 mm) | 1 | 75°F (24°C) |
| August | 90°F (32°C) | 69°F (21°C) | 0.5 in (11 mm) | 1 | 78°F (26°C) |
*Long-term monthly averages.*
July is hot and dry. In Cagliari the afternoon high is 89°F (32°C) and the night low is 68°F (20°C). Olbia is almost the same by day at 89°F (32°C), with slightly cooler nights at 66°F (19°C).
Rain barely touches the month. Cagliari averages fewer than one rainy day and Olbia about one, and a rainy day means at least a millimeter of rain. Pack for sun, not showers. Plan outdoor sights such as Tharros or the Asinara trails for the morning, and keep the middle of the afternoon for shade or the sea.
June is a few degrees cooler, with an afternoon high of 84°F (29°C) in Cagliari and about two rainy days. August runs slightly hotter, at 90°F (32°C) in Cagliari, with a little more rain than July. July is the drier month at both Cagliari and Olbia.
Where to go in Sardinia in July
Cagliari
The Cagliari tourist office is on the ground floor of the Town Hall at via Roma 145. Nuragica, a multimedia and sensory museum experience on the Nuragic people, is at via Roma 191. The Castle of San Michele hosts exhibitions and lectures, and the botanical garden covers five hectares. Monte Claro Park holds cultural and entertainment events in summer.
Su Nuraxi di Barumini
This is the most important nuragic complex in Sardinia and a UNESCO World Heritage site since 1997. It is open every day of the year, and July heat makes an early guided slot the comfortable choice. One ticket also covers Casa Zapata and the Giovanni Lilliu Centre.
Asinara National Park
The park sits on the northwestern tip of Sardinia and has been a national park since 1997. Admission is free. Boats leave from Porto Nuovo at Stintino and from Porto Torres, so decide which port suits the rest of the day before booking a crossing.
Tharros
The ancient city lies in the Sinis landscape, between the sea and the ponds. Phoenician colonists founded it at the end of the 8th century BC, and it was abandoned in 1070. Guided tours and a bookshop are on site. Go in the morning, before the afternoon high.
Sadali
The village has a natural urban waterfall, Su Stampu de su Turrunu, which is 52 feet (16 m) high. The Trenino Verde reaches it on a guided excursion. The Culurgionès festival falls on the first Sunday of August, so a late-July trip comes just ahead of it.
Laconi
Laconi has the Aymerich park, which covers 22 hectares. Its truffle festival is held in June, so July brings the park without the festival. Walk it in the morning or late in the day.
What to do in Sardinia in July
Guided tour of Su Nuraxi at Barumini
The archaeological area can only be seen on a guided tour. Tours leave every 30 minutes and last about an hour, and they run in Italian, English and French. In July, take one of the first slots of the day.
Casa Zapata and the Giovanni Lilliu Centre are also guided, each about 30 minutes, leaving every 30 minutes. Wear comfortable clothing and non-slip shoes. Guide dogs are the only animals admitted, and only by reservation.
Asinara by bike, horse or tourist train
The trails cover five thousand hectares, and visitors can use a mountain bike, a horse, an off-road vehicle or the tourist train. The park is free to enter. With a high near 89°F (32°C) in the region’s south, take the train if the heat is a concern.
The Asinara donkey is the symbol of the park. The marine protected area was established in 2002.
Pedal boat on Lake San Sebastiano, Isili
At Isili, visitors can rent a pedal boat on the artificial lake of San Sebastiano. The dam of Barrocus on the Mannu river created it. It is an easy way to be on the water in a dry July.
The nuraghe Is Paras at Isili is 39 feet (12 m) high, a good stop on the same day.
Trenino Verde to Sadali
Sadali can be visited with the Trenino Verde on a guided excursion. The waterfall of Su Stampu de su Turrunu is the draw. Reserve the excursion ahead, since it is guided.
The Culurgionès festival, held every year since 1993, falls on the first Sunday of August. A traveler who shifts the trip by a few days into August catches it.
Turtles and cetaceans at Caprera
The information point for turtles and cetaceans on Caprera offers guided visits. It is a calm outing for a day when the sun is strong. Check opening times before going.
Is Sardinia busy in July?
Barumini alone receives an average of 150,000 visitors a year, and its tours depart every 30 minutes. Arrive early in the day to get your preferred slot.
Agriturismi, campsites and villages are all options.
The tax can be up to 5 euros a night. Capoterra charges it for up to 7 consecutive nights and exempts minors up to 14. Loiri Porto San Paolo applies its rate for a maximum of 10 consecutive days, and Sardara exempts minors up to 12.
Can you swim in Sardinia in July?
Yes. The sea near Cagliari averages 75°F (24°C) in July, a monthly average, so a swim is comfortable and mornings may feel a touch cooler. June averages 70°F (21°C) and August 78°F (26°C).
Asinara has a marine protected area, established in 2002, reached from Porto Nuovo at Stintino or Porto Torres. The Sinis landscape around Tharros lies between the sea and the ponds. Look up local conditions on the day for wind and swell.
What to pack for Sardinia in July
July asks for light clothes, sun protection and shoes that grip on ancient stones.
- Light, breathable clothing for afternoons near 89°F (32°C)
- A light layer for nights, with lows of 66 to 68°F (19 to 20°C)
- Hat, sunscreen and water for the open trails of Asinara
- Non-slip shoes and comfortable clothing for the Barumini tours
- Swimwear for a sea at 75°F (24°C)
- A small day bag for the Trenino Verde excursion
What to know before visiting Sardinia in July
Su Nuraxi, Casa Zapata and the Giovanni Lilliu Centre can all be visited only on guided tours, so arrive early. Guide dogs are admitted only by reservation. Asinara is free to enter, and the crossing leaves from Porto Nuovo at Stintino or from Porto Torres.
Tourist tax is due per person and per night, up to 5 euros in some places. Children are exempt up to 12 or 14 depending on the town, so ask your accommodation.
Is July a good time to visit Sardinia?
Yes, especially for travelers who want dry, hot days, a warm sea and archaeology in one trip.
June is a few degrees cooler, with a sea at 70°F (21°C) and about two rainy days. August is slightly hotter with a 78°F (26°C) sea.
For swimming, July is good and August is warmer. For sightseeing in comfortable heat, early June is gentler. With children, Asinara is free to enter, and the tourist train covers the trails. In Capoterra minors up to 14 pay no tourist tax.
Sources
- ncei.noaa.gov (https://www.ncei.noaa.gov/products/wmo-climate-normals), checked 2026-10-30
- italia.it (https://www.italia.it/fr/sardaigne/que-faire/la-sardaigne-au-dela-des-plages-laconi–sadali-et-isili), checked 2026-10-30
- fondazionebarumini.it (https://www.fondazionebarumini.it/biglietti-e-orari/), checked 2026-10-30
- fondazionebarumini.it (https://www.fondazionebarumini.it/fr/home-2/), checked 2026-10-30
- sardegnaturismo.it (https://www.sardegnaturismo.it/en/explore/asinara-national-park), checked 2026-10-30
- cultura.gov.it (https://cultura.gov.it/luogo/area-archeologica-di-tharros), checked 2026-10-30
- informacitta.comune.olbia.ot.it (https://informacitta.comune.olbia.ot.it/eventi/benvenuto-vermentino), checked 2026-10-30
- sardegnaturismo.it (https://sardegnaturismo.it/fr/itineraries/les-jardins-historiques-de-la-sardaigne), checked 2026-10-30