Climate almanac
Río Grande
Oaxaca, Mexico · 16.01°, -97.44°
What is the climate like in Río Grande?
The best time to visit Río Grande is typically November – April, with trip comfort peaking in February (9.3/10). Río Grande is warmest in May, when daily highs average 87°F (31°C), and coolest in January, when lows fall to about 73°F (23°C). The wettest month is typically September and the driest is April; the year sees roughly 63 in (1596 mm) of precipitation.
- Best time to visitNovember – April — comfort peaks in February (9.3/10)
- Warmest monthMay — average high 87°F (31°C)
- Coolest monthJanuary — average low 73°F (23°C)
- Wettest monthSeptember (17 in (428 mm))
- Driest monthApril (0.1 in (3 mm))
- Annual precipitation63 in (1596 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromRio Grande, 2 km away (1969-1988)