Weather World
Rio Branco Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 85°F Lo 72°F | Hi 84°F Lo 72°F | Hi 84°F Lo 72°F | Hi 85°F Lo 71°F | Hi 85°F Lo 70°F | Hi 86°F Lo 69°F | Hi 90°F Lo 68°F | Hi 94°F Lo 71°F | Hi 96°F Lo 74°F | Hi 92°F Lo 73°F | Hi 89°F Lo 73°F | Hi 86°F Lo 72°F |
| 3 mph | 3 mph | 3 mph | 3 mph | 3 mph | 3 mph | 3 mph | 4 mph | 4 mph | 3 mph | 3 mph | 3 mph |
| 12.6 in | 13.1 in | 13.5 in | 8.5 in | 4.2 in | 1.5 in | 0.7 in | 1.3 in | 2.6 in | 5.9 in | 8.3 in | 11.8 in |
| 88% | 90% | 89% | 87% | 82% | 75% | 61% | 50% | 54% | 69% | 77% | 85% |
| 69% | 71% | 69% | 63% | 49% | 37% | 25% | 22% | 30% | 44% | 54% | 64% |
| 29.8 in | 29.8 in | 29.8 in | 29.8 in | 29.9 in | 29.9 in | 29.9 in | 29.9 in | 29.8 in | 29.8 in | 29.8 in | 29.8 in |
| 7 | 6 | 7 | 9 | 17 | 25 | 29 | 26 | 20 | 14 | 11 | 9 |
| 24 | 22 | 24 | 21 | 14 | 5 | 2 | 5 | 10 | 17 | 19 | 22 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 4 | 4 | 6 | 4 | 1 | 0 | 0 | 0 | 0 | 1 | 2 | 4 |
| 5 | 5 | 5 | 6 | 6 | 6 | 7 | 7 | 6 | 6 | 6 | 6 |
| 38 | 26 | 38 | 74 | 143 | 201 | 266 | 280 | 218 | 145 | 103 | 59 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 29°C Lo 22°C | Hi 29°C Lo 22°C | Hi 29°C Lo 22°C | Hi 29°C Lo 22°C | Hi 29°C Lo 21°C | Hi 30°C Lo 21°C | Hi 32°C Lo 20°C | Hi 34°C Lo 22°C | Hi 36°C Lo 24°C | Hi 33°C Lo 23°C | Hi 32°C Lo 23°C | Hi 30°C Lo 22°C |
| 5 km/h | 5 km/h | 5 km/h | 5 km/h | 5 km/h | 5 km/h | 5 km/h | 6 km/h | 6 km/h | 5 km/h | 5 km/h | 5 km/h |
| 321 mm | 333 mm | 344 mm | 216 mm | 106 mm | 38 mm | 16 mm | 33 mm | 66 mm | 150 mm | 210 mm | 300 mm |
| 88% | 90% | 89% | 87% | 82% | 75% | 61% | 50% | 54% | 69% | 77% | 85% |
| 69% | 71% | 69% | 63% | 49% | 37% | 25% | 22% | 30% | 44% | 54% | 64% |
| 1010 mb | 1010 mb | 1010 mb | 1011 mb | 1012 mb | 1013 mb | 1013 mb | 1012 mb | 1010 mb | 1009 mb | 1008 mb | 1009 mb |
| 7 | 6 | 7 | 9 | 17 | 25 | 29 | 26 | 20 | 14 | 11 | 9 |
| 24 | 22 | 24 | 21 | 14 | 5 | 2 | 5 | 10 | 17 | 19 | 22 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 4 | 4 | 6 | 4 | 1 | 0 | 0 | 0 | 0 | 1 | 2 | 4 |
| 5 | 5 | 5 | 6 | 6 | 6 | 7 | 7 | 6 | 6 | 6 | 6 |
| 38 | 26 | 38 | 74 | 143 | 201 | 266 | 280 | 218 | 145 | 103 | 59 |
| Month |
| Avg. Temperatures |
| Avg. Wind Speed |
| Avg. Precipitation |
| Average Humidity |
| Avg. Cloud Cover |
| Pressure Average |
| Average Dry Days |
| Avg. Precip. Days |
| Avg. Snow Days |
| Average Fog Days |
| Average UV Index |
| Avg. Hours of Sun |
Averages are based on historical weather data from the past 10 years.