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| Monthly average temperatures in ēC | ||||||||||||||
| City | Jan. | Feb. | Mar. | Apr. | May | Jun. | Jul. | Aug. | Sep. | Oct. | Nov. | Dec. | Humidity | Sun hours |
| Barcelona | 13 | 14 | 16 | 18 | 21 | 25 | 28 | 28 | 25 | 21 | 17 | 13 | 68% | 2.480 h. |
| A Coruņa | 13 | 13 | 15 | 16 | 17 | 20 | 22 | 23 | 22 | 19 | 15 | 13 | 78% | 2.042 h. |
| Madrid | 9 | 11 | 15 | 19 | 22 | 27 | 31 | 32 | 25 | 18 | 13 | 9 | 65% | 2.824 h. |
| Mallorca | 14 | 15 | 17 | 19 | 22 | 26 | 29 | 29 | 27 | 23 | 18 | 15 | 74% | 2.795 h. |
| Gran Canaria | 22 | 22 | 22 | 23 | 27 | 25 | 24 | 25 | 26 | 25 | 23 | 21 | 74% | 2.998 h. |
| Santander | 12 | 12 | 14 | 15 | 17 | 20 | 22 | 23 | 21 | 18 | 15 | 12 | 78% | 1.747 h. |
| Sevilla | 15 | 18 | 21 | 24 | 27 | 32 | 36 | 38 | 32 | 26 | 20 | 16 | 70% | 2.878 h. |
| Valencia | 15 | 16 | 18 | 20 | 23 | 26 | 28 | 29 | 27 | 23 | 19 | 16 | 68% | 2.538 h. |
| Valladolid | 7 | 10 | 14 | 17 | 20 | 26 | 29 | 29 | 25 | 18 | 12 | 8 | 68% | 2.584 h. |
| Zaragoza | 10 | 12 | 17 | 19 | 23 | 27 | 31 | 30 | 26 | 20 | 14 | 10 | 67% | 2.824 h. |