Brazil
Rio Branco sees feels-like daytime highs peak around 40.6°C in March and nighttime lows bottom out near 25.1°C in August. January is the wettest month (~255 mm), while July is the driest (~23 mm). For sunshine, July leads with about 64% clear skies.
Based on mild feels-like temperatures and low rain chances, the most comfortable months are July, June, and August — expect around 25.3–37.8°C with roughly 15% chance of rain on a given day in July.
| Month | Low / High °C | Rain % | Rainfall | Clear skies | Wind |
|---|---|---|---|---|---|
| January | 30.1° / 38.8° | 83% | 255 mm | 16% | 2.5 kph |
| February | 30.2° / 38.9° | 78% | 246 mm | 16% | 2.5 kph |
| March | 30.7° / 40.6° | 79% | 232 mm | 18% | 2.5 kph |
| April | 30.5° / 40.5° | 64% | 160 mm | 26% | 2.6 kph |
| May | 28.8° / 38.5° | 41% | 84 mm | 39% | 2.8 kph |
| June☀ | 26.3° / 37.8° | 20% | 36 mm | 52% | 3 kph |
| July☀ | 25.3° / 37.8° | 15% | 23 mm | 64% | 3.1 kph |
| August☀ | 25.1° / 38.8° | 22% | 39 mm | 62% | 3 kph |
| September | 27.1° / 39.4° | 36% | 77 mm | 48% | 2.9 kph |
| October | 28.6° / 38.9° | 55% | 138 mm | 32% | 2.7 kph |
| November | 29° / 38.4° | 68% | 188 mm | 22% | 2.6 kph |
| December | 30.1° / 39.8° | 78% | 223 mm | 18% | 2.5 kph |
Feels-like temperatures from long-term historical data; ☀ marks the most comfortable months (mild temperatures, low rain).
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