Climate almanac
Piedras Negras
Coahuila, Mexico · 28.70°, -100.52°
What is the climate like in Piedras Negras?
The best time to visit Piedras Negras is typically October – April, with trip comfort peaking in February (8.4/10). Piedras Negras is warmest in July, when daily highs average 100°F (38°C), and coolest in January, when lows fall to about 45°F (7°C). The wettest month is typically September and the driest is January; the year sees roughly 20 in (514 mm) of precipitation.
- Best time to visitOctober – April — comfort peaks in February (8.4/10)
- Warmest monthJuly — average high 100°F (38°C)
- Coolest monthJanuary — average low 45°F (7°C)
- Wettest monthSeptember (3.8 in (97 mm))
- Driest monthJanuary (0.7 in (17 mm))
- Annual precipitation20 in (514 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromPiedras Negras (obs), 1 km away (1955-2025)