Climate quality in Italian cities: the Sole 24 Ore ranking has sparked much discussion. A survey conducted by Sole 24 Ore, based on data provided by 3b Meteo, has led to the creation of a climate comfort ranking for 112 Italian capital cities. The analysis covers the period from 2014 to 2024 and is based on 16 meteorological indicators. These include: hours of sunshine, heat index, frequency of heat waves, tropical nights, extreme temperatures, presence of summer breezes, wind gusts, humidity, ventilation, daily temperature range, number of consecutive days without rain, precipitation intensity, extreme rainfall events, fog, and cold days. All these parameters contribute to the creation of a synthetic indicator, useful not only for assessing climate comfort but also for integrating the broader survey on the quality of life in Italian cities.
The least sunny city in Italy
Belluno is the city with the least sunshine in Italy. Among the most curious data that emerged is Belluno's negative record: it is the city where, on average, the sun shines the least. With just 6,7 hours of sunlight per day on an annual average, Belluno closes the ranking regarding insolation. On the other hand, stands out Agrigento, which takes first place in the ranking for hours of sunshine: here the sun shines for an average of 9,2 hours a day, a good 2,5 hours more than in Belluno.
The other cities
Immediately after Agrigento, we find SIRACUSA, with an average of 9,1 hours of sunshine per day, followed by Catania and Crotone, both with 8,9 hours of sunshine per day. These southern cities, particularly in Sicily and Calabria, are the brightest in Italy. On the other hand, among the least sunny cities are Lecco (second to last with 7,1 hours of sunshine per day), Sondrio (7,3 hours), and the province of Verbano-Cusio-Ossola, which also averages 7,3 hours per day.
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