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Weather & Climate
Rio Branco, Acre, Brazil
Overview
Climate data and monthly weather averages for Rio Branco.
Key Metrics
Annual Avg
25.6°C
Summer Avg
25.3°C
Winter Avg
25°C
Record High
39.4°C
Record Low
11.7°C
Annual Precipitation
1734.3 mm
Avg Humidity
85%
Summer Humidity
92%
Winter Humidity
80%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 33° | 25.3° | 20.5° | 257.6 | 92% | 145 | 6.2 |
| Feb | 31.4° | 25.1° | 19.5° | 252.3 | 93% | 126 | 6.2 |
| Mar | 30.5° | 25.1° | 19.3° | 241.8 | 93% | 143 | 6 |
| Apr | 30.4° | 24.9° | 15.8° | 160.2 | 92% | 138 | 9 |
| May | 30.2° | 24.3° | 13.7° | 78.7 | 91% | 136 | 8.4 |
| Jun | 32.3° | 24.1° | 12.5° | 32.7 | 88% | 133 | 7.9 |
| Jul | 37.2° | 24.5° | 12.3° | 24.8 | 81% | 152 | 8.6 |
| Aug | 38.5° | 26.3° | 11.7° | 43.1 | 70% | 155 | 9.2 |
| Sep | 39.4° | 27.8° | 14.4° | 76.2 | 69% | 151 | 8.4 |
| Oct | 39.4° | 27.8° | 18.3° | 130.8 | 74% | 159 | 7.3 |
| Nov | 38.8° | 26.6° | 16.5° | 196.8 | 83% | 149 | 7.3 |
| Dec | 34.4° | 25.5° | 19.4° | 239.3 | 91% | 142 | 6.2 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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