| World Facts Index > Portugal > Geography > Weather > Castelo Branco |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Avg. High | 52 | 54 | 58 | 61 | 68 | 77 | 85 | 85 | 78 | 68 | 58 | 54 |
| Avg. Low | 42 | 42 | 44 | 46 | 51 | 57 | 62 | 62 | 61 | 54 | 47 | 44 |
| Mean | 48 | 48 | 51 | 54 | 60 | 68 | 74 | 74 | 71 | 62 | 54 | 48 |
| Avg. Precip. | 4.9 in | 4.7 in | 3.4 in | 3.3 in | 2.1 in | 1.6 in | 0.3 in | 0.3 in | 1.7 in | 3.6 in | 4.6 in | 4.6 in |
Fahrenheit temperature scale is used.