Climate almanac
Porto Velho
Rondônia, Brazil · -8.76°, -63.90°
What is the climate like in Porto Velho?
The best time to visit Porto Velho is typically June – August, with trip comfort peaking in July (8.8/10). Porto Velho is warmest in September, when daily highs average 93°F (34°C), and coolest in July, when lows fall to about 71°F (22°C). The wettest month is typically December and the driest is July; the year sees roughly 88 in (2223 mm) of precipitation.
- Best time to visitJune – August — comfort peaks in July (8.8/10)
- Warmest monthSeptember — average high 93°F (34°C)
- Coolest monthJuly — average low 71°F (22°C)
- Wettest monthDecember (14 in (348 mm))
- Driest monthJuly (0.1 in (2 mm))
- Annual precipitation88 in (2223 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromPorto Velho, 2 km away (1973-1997)