| World Facts Index > Portugal > Geography > Weather > Castro Daire |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Avg. High | 42 | 42 | 46 | 48 | 55 | 64 | 71 | 71 | 66 | 55 | 47 | 44 |
| Avg. Low | 32 | 32 | 34 | 36 | 41 | 48 | 54 | 54 | 51 | 44 | 37 | 34 |
| Mean | 38 | 38 | 40 | 42 | 48 | 57 | 64 | 64 | 58 | 50 | 42 | 38 |
| Avg. Precip. | 9.5 in | 8.9 in | 5.8 in | 5.6 in | 4.5 in | 3.1 in | 1.0 in | 0.6 in | 2.4 in | 7.3 in | 9.4 in | 9.5 in |
Fahrenheit temperature scale is used.