Climate almanac
Mértola
Beja, Portugal · 37.64°, -7.66°
What is the climate like in Mértola?
The best time to visit Mértola is typically May – September, with trip comfort peaking in July (9.6/10). Mértola is warmest in August, when daily highs average 93°F (34°C), and coolest in January, when lows fall to about 43°F (6°C). The wettest month is typically March and the driest is July; the year sees roughly 15 in (388 mm) of precipitation.
- Best time to visitMay – September — comfort peaks in July (9.6/10)
- Warmest monthAugust — average high 93°F (34°C)
- Coolest monthJanuary — average low 43°F (6°C)
- Wettest monthMarch (2.8 in (71 mm))
- Driest monthJuly (0.0 in (1 mm))
- Annual precipitation15 in (388 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromBeja, 45 km away (1957-2025)