Mother Earth Travel > Portugal Travel > Portugal Weather > Mertola |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Avg. High | 56° | 58° | 64° | 66° | 74° | 84° | 90° | 90° | 84° | 74° | 64° | 57° |
| Avg. Low | 41° | 42° | 44° | 46° | 50° | 55° | 58° | 58° | 58° | 54° | 47° | 42° |
| Mean | 48° | 51° | 54° | 57° | 62° | 68° | 75° | 75° | 72° | 64° | 55° | 50° |
| Avg. Precip. | 3.3 in | 3.3 in | 2.1 in | 2.4 in | 1.4 in | 0.9 in | 0.1 in | 0.1 in | 0.9 in | 2.6 in | 3.0 in | 3.3 in |
Fahrenheit temperature scale is used.