Rio Branco

What is the climate like in Rio Branco?

The best time to visit Rio Branco is typically June – August, with trip comfort peaking in July (8.7/10). Rio Branco is warmest in September, when daily highs average 93°F (34°C), and coolest in July, when lows fall to about 66°F (19°C). The wettest month is typically February and the driest is July; the year sees roughly 72 in (1831 mm) of precipitation.

• Best time to visitJune – August — comfort peaks in July (8.7/10)
• Warmest monthSeptember — average high 93°F (34°C)
• Coolest monthJuly — average low 66°F (19°C)
• Wettest monthFebruary (11 in (285 mm))
• Driest monthJuly (0.5 in (13 mm))
• Annual precipitation72 in (1831 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromRio Branco, 1 km away (1973-1994)