Climate almanac
San Marcos
Guerrero, Mexico · 16.80°, -99.39°
What is the climate like in San Marcos?
The best time to visit San Marcos is typically November – May, with trip comfort peaking in February (9.2/10). San Marcos is warmest in May, when daily highs average 94°F (35°C), and coolest in January, when lows fall to about 71°F (22°C). The wettest month is typically September and the driest is February; the year sees roughly 49 in (1239 mm) of precipitation.
- Best time to visitNovember – May — comfort peaks in February (9.2/10)
- Warmest monthMay — average high 94°F (35°C)
- Coolest monthJanuary — average low 71°F (22°C)
- Wettest monthSeptember (14 in (356 mm))
- Driest monthFebruary (0.0 in (1 mm))
- Annual precipitation49 in (1239 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromSan Marcos, 3 km away (1961-2012)