Climate almanac

San Luis

Petén, Guatemala · 16.20°, -89.44°

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What is the climate like in San Luis?

The best time to visit San Luis is typically February – April, with trip comfort peaking in March (7.5/10). San Luis is warmest in May, when daily highs average 94°F (35°C), and coolest in January, when lows fall to about 66°F (19°C). The wettest month is typically October and the driest is April; the year sees roughly 63 in (1596 mm) of precipitation.

  • Best time to visitFebruary – April — comfort peaks in March (7.5/10)
  • Warmest monthMay — average high 94°F (35°C)
  • Coolest monthJanuary — average low 66°F (19°C)
  • Wettest monthOctober (9.8 in (248 mm))
  • Driest monthApril (1.9 in (49 mm))
  • Annual precipitation63 in (1596 mm)
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)