August · Italy
Best time to visit Cagliari in August Weather, crowds & prices
Weather in Cagliari in August
Average temperature 27°C, 22 mm of rain, about 31 days with 6+ hours of sunshine and 70% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
August score
9.9/10
Ranked #2 of 12 months
- Avg temp
- 27°C
- Rainfall
- 22 mm
- Humidity
- 70%
- Days with 6h+ sun
- 31
- Crowd Density
- Peak Tourist Rush
- Average Expenses
- $$$ · Peak Season Rates ($$$)
August in Cagliari scores 9.9/10 for beach and coastal travel - one of the top 12-month picks (#2). Expect around 27°C, 22 mm of rain, and roughly 31 days with 6+ hours of sunshine this month.
Sardinia's hilltop capital pairs Castello ramparts with Poetto beach best from May through October, when warm seas and breezy evenings frame the Gulf of Cagliari.
August is one of the strongest months in Cagliari (2nd)
August averages 27°C (81°F), so the practical pattern is early mornings, a long midday break, and evenings back outside.
Expect 22 mm of rain — occasional showers rather than washed-out days — alongside about 31 days with 6+ hours of sunshine and 13.5 daylight hours.
A 9.9/10 puts this among the year's best months in Cagliari (2nd of 12); only July scores higher, at 9.9/10.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.
Plan for peak pricing, with this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Frequently asked
- What is the weather like in Cagliari in August?
- In August, Cagliari averages 27°C, 22 mm of rain, and about 31 days with 6+ hours of sunshine. Its climate-comfort score is 9.9/10.
- Is August a good time to visit Cagliari?
- August earns a 9.9/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Cagliari in August?
- Expect about 22 mm of rain in August. Average humidity is 70% and there are about 31 days with 6+ hours of sunshine.
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Cagliari, Italy. Live activities and tours from GetYourGuide, matched to this destination.