Weather in Rio Branco, Brazil
Historical monthly conditions · 2021–2025
Monthly averages
Average daily air-temperature lows/highs and peak wind gusts. Rain is the average monthly total.
| Month | Avg low | Avg high | Rain | Cloud cover | Avg peak gust |
|---|---|---|---|---|---|
| January | 23°C | 30°C | 258.1 mm | 85% | 29.3 km/h |
| February | 23°C | 30°C | 317.2 mm | 89% | 26.0 km/h |
| March | 23°C | 30°C | 251.1 mm | 89% | 25.5 km/h |
| April | 23°C | 31°C | 177.8 mm | 80% | 25.0 km/h |
| May | 21°C | 30°C | 100.4 mm | 65% | 24.7 km/h |
| June | 20°C | 30°C | 32.6 mm | 47% | 24.1 km/h |
| July | 19°C | 32°C | 13.4 mm | 26% | 24.3 km/h |
| August | 20°C | 34°C | 14.4 mm | 35% | 27.0 km/h |
| September | 23°C | 34°C | 51.6 mm | 51% | 27.2 km/h |
| October | 23°C | 33°C | 136.7 mm | 69% | 27.8 km/h |
| November | 23°C | 32°C | 179.1 mm | 80% | 28.1 km/h |
| December | 23°C | 31°C | 261.0 mm | 86% | 29.7 km/h |
Weather match by month
Feels like 15°C–30°C · cloud ≤60% · rain ≤0.1 mm/h · gust ≤50 km/h
Feels-like temperature accounts for humidity and wind in shade. Percentages cover 08:00–20:00 local solar time.
| Month | Match rate | |
|---|---|---|
| January | 1.0% | |
| February | 0.6% | |
| March | 0.3% | |
| April | 2.7% | |
| May | 8.9% | |
| June | 17.7% | |
| July | 27.8% | |
| August | 16.3% | |
| September | 5.3% | |
| October | 1.3% | |
| November | 2.7% | |
| December | 0.7% |
About this location and data
- Urban-centre population
- 332,810
- Elevation
- 165 m
- Coordinates
- 9.97°S, 67.82°W
- Urban area
- 74 km²
Weather averages use 2 ERA5 grid cells, weighted by the area of the urban centre in each cell.
2021-2025 recent-weather sample (not a 30-year normal).
How the weather scores are calculated