Climate almanac

Santa María del Río

San Luis Potosí, Mexico · 21.80°, -100.74°

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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)