Cagliari Weather in August
With daytime temperatures of 32°C (90°F) and nighttime lows of 22°C (72°F), August in Cagliari brings very high temperatures during the day. The perfect weather makes it an appealing time to visit.
Rainfall in Cagliari in August
Historically, the month has about 3 days of rain, averaging 8.5 mm (0.3 in) in total. Rain is scarce this month and when it does fall, it tends to be light. Unlikely to disrupt plans significantly.
Temperature in Cagliari in August
August tends to be one of the perfect months in Cagliari, with 32°C (90°F) in the afternoon and 22°C (72°F) overnight. The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay comfortable. With lows of 22°C (72°F), the nights are warm and generally comfortable. Remember, these are typical temperatures, and there can be hotter days. Dress appropriately and stay hydrated to remain comfortable.
Sunshine in Cagliari in August
With approximately 321 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.
Average water temperature in August
With water at 24°C (75°F), you can expect warm, pleasant conditions for any water activity. There's no adjustment period — it feels comfortable straight away.Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, June, September and October typically offer the best weather for Cagliari.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Sardinia, check out our Cagliari's climate page.
Cagliari Temperature in August
Min Temperature
22°C (72°F)
Max Temperature
32°C (90°F)
Water Temperature
24°C (75°F)
Chance of Rain
9%
Precipitation
8.5 mm (0.3 in)
Rainy days
3 days
Humidity
65%
Sunshine
321 hours
Percentage Sunshine
72%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Cagliari typically stay consistent throughout August, with daily highs averaging around 32°C (90°F). Nights are warm, with lows around 20°C (68°F).
Average temperatures in August
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather for Cagliari in August
Browse day-by-day weather records for Cagliari spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Cagliari historical weather extremes in August
Our historical data for Cagliari spans 1976 to 2025, revealing these weather extremes.
- The hottest August day on record in Cagliari reached 42°C (108°F) (August 10, 1999).
- Cagliari experienced its chilliest August day on August 22, 2005, reaching only 22°C (72°F).
- Nighttime temperatures dropped to 12°C (54°F) on August 18, 1979, marking the coldest August night on record.
Best Places in Sardinia in August
Find out more about the weather in Sardinia and which places have the best travel conditions in this month. See all of Sardinia in August →
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What to Wear in Cagliari in August
Warm but pleasant conditions in Cagliari in August. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Dry conditions mean you won't need to worry about rain protection. Expect water temperatures of around 24°C (75°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Cagliari in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Sardinia, check out our Cagliari's climate page.
Temperature Rainfall Sunshine Humidity Water Temp
See the full Cagliari climate overview or explore weather in Sardinia.
