July 20, 2026 · São Luís, Brazil
São Luís has 11h 59m of daylight today. Sunrise is at 06:04 and sunset is at 18:04. All times are calculated astronomically for São Luís's exact coordinates.
São Luís lies at 3°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 São Luís, or see daylight hours for every day of the year.
The longest day in São Luís is around 12h 16m (around December 21). The shortest is around 11h 58m (around June 21).
| Month | Day length | Sunrise | Sunset |
|---|---|---|---|
| January | 12h 15m | 05:59 | 18:14 |
| February | 12h 12m | 06:07 | 18:18 |
| March | 12h 8m | 06:04 | 18:11 |
| April | 12h 3m | 05:56 | 18:00 |
| May | 12h 0m | 05:54 | 17:55 |
| June | 11h 59m | 05:59 | 17:58 |
| July | 11h 59m | 06:04 | 18:03 |
| August | 12h 2m | 06:02 | 18:04 |
| September | 12h 5m | 05:51 | 17:57 |
| October | 12h 10m | 05:39 | 17:49 |
| November | 12h 14m | 05:36 | 17:49 |
| December | 12h 16m | 05:45 | 18:01 |