Rio Branco Weather and Climate: A Comprehensive Guide
The weather in Rio Branco is characterized by a steady average temperature throughout the year.
It also has a relatively rainy climate with high levels of precipitation.
Let’s explore the climate details in depth to provide you with a complete overview.
Average maximum day and minimum night temperature
With minimal seasonal shifts, Rio Branco experiences a constant climate year-round. On average, daytime temperatures range from a very warm 35°C in September to a very warm 31°C in July.
Nighttime temperatures can drop, with average lows reaching 20°C in July. Check out our detailed temperature page for more information.Temperature ranges by month
Precipitation and rainy days
Rio Branco has a notably wet climate with abundant precipitation, recording 1857 mm of rainfall per year. The seasons in Rio Branco, bring significant changes in precipitation. The wettest month, February, receives heavy rainfall, with an average of 275 mm of precipitation. This rainfall is distributed across 25 rainy days. In contrast, the driest month, July, experiences much less rainfall, totaling 26 mm over 7 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Rio Branco Precipitation page.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
In Rio Branco, summer days are longer and more sunny, with daily sunshine hours peaking at 7.4 hours in July. As the darker season arrives, the brightness of the sun becomes less. February sees a soft sun for only 3.0 hours per average day. Visit our detailed sunshine hours page for more information.Monthly hours of sunshine
Daily hours of sunshine
Average humidity
The city experiences its highest humidity in January, reaching 87%. In August, the humidity drops to its lowest level at 77%. Explore our detailed page on humidity levels for further details.
Relative humidity over the year
broken clouds and rain broken clouds and thunder broken clouds and thunderForecast for Rio Branco
4 m/s
2 m/s
2 m/s
The best time of year to visit Rio Branco in Brazil
Rio Branco has high temperatures year round ranging between 31°C and 34°C.The best time to visit is during the drier months: June, July and August.
Other facts from our historical weather data:
Rainy season in Rio Branco occurs in the months of January, February, March, April, November and December.
September has an average maximum temperature of 35°C and is the hottest month of the year.
The coolest month is July with an average maximum temperature of 31°C.
February tops the wettest month list with 275 mm of rainfall.
July is the driest month with 26 mm of precipitation.
July is the sunniest month with an average of 221 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
