Climate almanac
Santa María del Río
San Luis Potosí, Mexico · 21.80°, -100.74°
What is the climate like in Santa María del Río?
The best time to visit Santa María del Río is typically October – May, with trip comfort peaking in March (8.9/10). Santa María del Río is warmest in May, when daily highs average 87°F (30°C), and coolest in January, when lows fall to about 44°F (6°C). The wettest month is typically September and the driest is January; the year sees roughly 18 in (454 mm) of precipitation.
- Best time to visitOctober – May — comfort peaks in March (8.9/10)
- Warmest monthMay — average high 87°F (30°C)
- Coolest monthJanuary — average low 44°F (6°C)
- Wettest monthSeptember (3.4 in (87 mm))
- Driest monthJanuary (0.2 in (6 mm))
- Annual precipitation18 in (454 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromSanta Maria Del Rio (dge), 2 km away (1961-2011)