Climate almanac
San Sebastián
México, Mexico · 19.78°, -99.06°
What is the climate like in San Sebastián?
The best time to visit San Sebastián is typically November – May, with trip comfort peaking in March (8.2/10). San Sebastián is warmest in May, when daily highs average 84°F (29°C), and coolest in January, when lows fall to about 46°F (8°C). The wettest month is typically September and the driest is February; the year sees roughly 22 in (556 mm) of precipitation.
- Best time to visitNovember – May — comfort peaks in March (8.2/10)
- Warmest monthMay — average high 84°F (29°C)
- Coolest monthJanuary — average low 46°F (8°C)
- Wettest monthSeptember (4.6 in (118 mm))
- Driest monthFebruary (0.2 in (4 mm))
- Annual precipitation22 in (556 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromMexico City, 45 km away (1975-2026)