Overview
- Bari leads the ranking with 760.2 points, buoyed by long sunshine, limited extreme rainfall and relatively few high-humidity days that reflect breezy summers and mild winters.
- Coastal Adriatic cities dominate the upper tier, with Barletta–Andria–Trani second and Pescara, Ancona and Chieti close behind, alongside a few high-altitude standouts such as Enna.
- Carbonia places last, preceded by Terni, Belluno and Caserta, while Turin records the worst air circulation with 162 stagnant-air periods per year.
- Italy’s annual average temperature rose 1.8°C over the past 15 years, increasing by 2.3°C in the North, 1.9°C in the Center and 1.3°C in the South.
- Major cities split between halves of the table, with Bari, Trieste, Venice, Naples, Reggio Calabria, Cagliari and Rome in the top 40, and Milan (71), Bologna (72), Florence (78) and Turin (90) in the lower ranks; 2025 featured 17 heatwaves, 14 extreme-heat peaks, 80 tropical nights and concentrated heavy rains with 12 drought periods.