July 20, 2026 · Rio Branco, Brazil
Rio Branco has 11h 37m of daylight today. Sunrise is at 05:50 and sunset is at 17:27. All times are calculated astronomically for Rio Branco's exact coordinates.
Rio Branco lies at 10°S. Near the tropics, day length stays close to 12 hours year-round, with only minor variation between seasons.
Day length changes fastest near the spring and autumn equinoxes and slowest near the longest day and shortest day of the year. See the year chart to visualise how daylight hours shift month by month for Rio Branco, or see daylight hours for every day of the year.
The longest day in Rio Branco is around 12h 42m (around December 21). The shortest is around 11h 32m (around June 21).
| Month | Day length | Sunrise | Sunset |
|---|---|---|---|
| January | 12h 39m | 05:21 | 18:00 |
| February | 12h 26m | 05:34 | 17:59 |
| March | 12h 10m | 05:36 | 17:46 |
| April | 11h 53m | 05:35 | 17:29 |
| May | 11h 40m | 05:38 | 17:18 |
| June | 11h 33m | 05:46 | 17:19 |
| July | 11h 35m | 05:50 | 17:25 |
| August | 11h 46m | 05:44 | 17:30 |
| September | 12h 2m | 05:27 | 17:29 |
| October | 12h 18m | 05:09 | 17:27 |
| November | 12h 34m | 05:00 | 17:33 |
| December | 12h 42m | 05:06 | 17:48 |