Rio Branco
Rio Branco is a city in Acre, Brazil. It has a population of about 336,038 (2010). The climate is classified as tropical savanna (Köppen Aw), with .
Best: Jun–Aug. Warmth, sunshine and dry days, month by month.
Rio Branco at a glance
The months with the highest weather score
Average high in September
Average low in May
239 mm of rain
25 mm of rain
within 8 km
How Rio Branco has grown
People living in the built-up area (72 km² today), every five years since 1975; 2030 is the projection.
+504%55k in 1975 → 331k in 2025Weather in Rio Branco
Now and the next ten days. The 14 and 30-day outlooks are one click away.
Rain · wind 4 km/h · humidity 67%
When to go to Rio Branco
Each month's weather score (warmth, sun, dry days) with its temperatures and rain.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Score | 32 | 32 | 33 | 37 | 48 | 71 | 73 | 62 | 40 | 29 | 31 | 31 |
| High | 30° | 30° | 30° | 29° | 29° | 29° | 30° | 32° | 32° | 32° | 30° | 30° |
| Low | 23° | 23° | 23° | 22° | 22° | 21° | 20° | 21° | 22° | 23° | 23° | 23° |
| Rain (mm) | 259 | 252 | 239 | 176 | 78 | 26 | 25 | 41 | 79 | 144 | 168 | 227 |
| Wet days | 26 | 26 | 27 | 21 | 13 | 5 | 2 | 4 | 12 | 16 | 20 | 25 |
What's on in Rio Branco
Concerts, football matches, the public holidays ahead and the town's festivals through the year.
Monuments and museums in Rio Branco
More museums: Museu dos Povos Acreanos
Outdoors around Rio Branco
Hiking routes from the town, and what there is to do within 15 km: huts, viewpoints, climbing, camping, ski areas and dive sites.
Nature around Rio Branco
Wildlife in October
The birds and mammals of Brazil seen most this month, compared with the rest of their year.
The sky over Rio Branco
Fossil sites near this town
Fossil sites: 1 · 1 km
Formations around the town
Universities and research institutes
Towns and villages around Rio Branco
Each with its own page: weather, climate and the best time to visit.
Rio Branco from above
Getting to Rio Branco
Places near Rio Branco
Places with a climate like Rio Branco
Matched month by month on temperature, rain and sunshine.
