Alella climate (Barcelona)
Average temperature - Alella (°C)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Spain | 7 | 7 | 11 | 13 | 16 | 22 | 24 | 24 | 20 | 16 | 10 | 7 |
| Alella | 11 | 10 | 13 | 14 | 18 | 22 | 24 | 25 | 21 | 20 | 14 | 11 |
Average rainfall - Alella (mm)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Spain | 50 | 48 | 55 | 44 | 47 | 13 | 8 | 18 | 39 | 78 | 60 | 55 |
| Alella | 130 | 97 | 72 | 94 | 90 | 57 | 44 | 50 | 66 | 99 | 143 | 108 |
