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Information about the climate in Southern Italy |
| Average temperature in °C | |||||||||||||
| Lazio | Jan | Feb | Mar | April | Mai | June | July | Aug | Sept | Oct | Nov | Dec | |
| Daytime temperature | 11 | 13 | 16 | 19 | 23 | 28 | 31 | 31 | 27 | 21 | 16 | 12 | |
| Night temperature | 4 | 5 | 7 | 10 | 13 | 17 | 20 | 20 | 17 | 13 | 9 | 5 | |
| Water temperature | 14 | 13 | 13 | 14 | 17 | 21 | 23 | 24 | 23 | 20 | 18 | 15 | |
| Sun hours | 4 | 4 | 5 | 7 | 8 | 10 | 11 | 10 | 7 | 6 | 5 | 4 | |
| Apulia | Jan | Feb | Mar | April | Mai | June | July | Aug | Sept | Oct | Nov | Dec | |
| Daytime temperature | 12 | 14 | 14,7 | 17,9 | 22 | 26 | 28 | 28 | 25 | 21 | 17 | 14 | |
| Night temperature | 6 | 6 | 8 | 10 | 14 | 18 | 20 | 20 | 18 | 15 | 11 | 8 | |
| Water temperature | 13 | 12 | 13 | 14 | 17 | 21 | 23 | 24 | 22 | 19 | 16 | 14 | |
| Sun hours | 4 | 5 | 6 | 7 | 9 | 10 | 11 | 10 | 8 | 7 | 5 | 3 | |
| Campania | Jan | Feb | Mar | April | Mai | June | July | Aug | Sept | Oct | Nov | Dec | |
| Daytime temperature | 11 | 12 | 15 | 18 | 22 | 27 | 29 | 29 | 26 | 21 | 17 | 13 | |
| Night temperature | 6 | 6 | 8 | 11 | 14 | 18 | 20 | 20 | 18 | 14 | 11 | 7 | |
| Water temperature | 14 | 13 | 13 | 15 | 18 | 21 | 24 | 25 | 23 | 21 | 18 | 16 | |
| Sun hours | 4 | 4 | 5 | 7 | 8 | 10 | 11 | 10 | 7 | 6 | 5 | 5 | |
| Calabria | Jan | Feb | Mar | April | Mai | June | July | Aug | Sept | Oct | Nov | Dec | |
| Daytime temperature | 11 | 12 | 14 | 18 | 21 | 26 | 29 | 29 | 27 | 22 | 17 | 13 | |
| Night temperature | 5 | 5 | 7 | 9 | 13 | 17 | 20 | 20 | 18 | 14 | 10 | 7 | |
| Water temperature | 14 | 14 | 14 | 15 | 19 | 21 | 24 | 25 | 22 | 21 | 18 | 16 | |
| Sun hours | 4 | 5 | 5 | 7 | 9 | 10 | 11 | 10 | 8 | 6 | 5 | 3 | |
| Sicily-Catania | Jan | Feb | Mar | April | Mai | June | July | Aug | Sept | Oct | Nov | Dec | |
| Daytime temperature | 14 | 15 | 17 | 20 | 24 | 29 | 32 | 31 | 29 | 24 | 20 | 18 | |
| Night temperature | 6 | 7 | 8 | 10 | 14 | 18 | 21 | 21 | 19 | 15 | 12 | 8 | |
| Water temperature | 15 | 14 | 14 | 15 | 17 | 21 | 24 | 25 | 24 | 22 | 19 | 16 | |
| Sun hours | 4 | 5 | 6 | 7 | 8 | 10 | 11 | 10 | 8 | 7 | 6 | 4 | |
| Sicily-Palermo | Jan | Feb | Mar | April | Mai | June | July | Aug | Sept | Oct | Nov | Dec | |
| Daytime temperature | 15 | 16 | 18 | 20 | 24 | 28 | 30 | 30 | 28 | 24 | 21 | 17 | |
| Night temperature | 8 | 8 | 9 | 11 | 14 | 18 | 20 | 21 | 19 | 16 | 12 | 9 | |
| Water temperature | 14 | 14 | 14 | 15 | 17 | 21 | 24 | 26 | 24 | 22 | 19 | 16 | |
| Sun hours | 4 | 5 | 7 | 8 | 10 | 10 | 12 | 10 | 9 | 7 | 6 | 4 | |