Average humidity in Rio Branco
On this page you find more information about the monthly relative humidity over the year in Rio Branco (Acre), Brazil.
Rio Branco's humidity levels vary throughout the year. The highest levels occur in January, reaching 87% (very high), while the lowest is recorded in August at 77%.
Throughout the year, the average humidity in Rio Branco is 84%.
Humidity plays an important role in how temperatures are felt. During the warmest month, September, the maximum average temperature is around 35°C (95°F). Combined with high humidity during this period, the temperature can feel even warmer than the thermometer shows.
During the coldest month, May, the maximum average temperature is around 31°C (88°F). This period has very high humidity. Check out our detailed temperature page for more information.
Rio Branco Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Rio Branco - and find the best time to visit.
Rio Branco 3-Day Forecast
Temperature Rainfall Sunshine Humidity
See the full Rio Branco climate overview or explore weather in Brazil.
Popular this month
Where to go in August - average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
The 10 most alternative cities in South America
Discover South America's top 10 alternative cities! From Valparaíso's vibrant streets to La Paz's high-altitude charm and Medellín's innovative spirit.
The 5 most tranquil retreats in the Amazon Rainforest, Brazil
Discover top sustainable lodges in the Amazon. Enjoy unique wildlife, eco-friendly stays, and immersive experiences at Anavilhanas, Cristalino, and more.
An alternative way to discover Rio de Janeiro
Don't feel like seeing the traditional tourist sights in Rio de Janeiro? We have made an overview of the sights in Rio de Janeiro that you must see if you want to visit Rio in an alternative way.
Iguazu Falls
Iguazu Falls are among the largest waterfalls on earth. You will be speechless when you see this miracle of mother nature. They are included in the World Heritage List and have also been named one of the seven wonders of the world.