São Luís in October
In October, São Luís averages 32°C (89°F) during the day and 26°C (78°F) at night, with frequent rain — about 23 days of the month see precipitation (33 mm total).
ShoulderConditions are warm and beach-friendly. Expect daily rain or showers, often in heavy bursts.
October is one of the wetter and less comfortable months in São Luís. If your dates are flexible, consider a different time of year.
How October compares to the rest of the year in São Luís
October is one of the warmest months in São Luís (1st of 12) and one of the driest months (11th of 12). Daytime temperature runs 2°C above the annual average (30°C). October runs roughly the same as September (32°C) and stays flat into November.
October sunrise & sunset in São Luís
Times shown for São Luís local time (America/Fortaleza), calculated for the 15th of October. They shift by a few minutes day to day across the month.
Photography light in São Luís — October
Golden-hour and blue-hour windows for the 15th of October, in São Luís's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — São Luís in October
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on October's tier (Shoulder) and São Luís's popularity.
Crowds & pricing — October in São Luís
São Luís is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.
Sun & mosquito risk — October in São Luís
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
São Luís in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 30°C / 85°F | 25°C / 76°F | 238 mm | 30 | — |
| February | 29°C / 84°F | 24°C / 76°F | 327 mm | 28 | — |
| March | 29°C / 84°F | 24°C / 75°F | 473 mm | 31 | — |
| April | 29°C / 85°F | 24°C / 76°F | 370 mm | 30 | — |
| May | 30°C / 85°F | 24°C / 76°F | 249 mm | 31 | — |
| June | 30°C / 85°F | 24°C / 76°F | 126 mm | 29 | — |
| July | 30°C / 86°F | 24°C / 76°F | 74 mm | 29 | — |
| August | 31°C / 88°F | 25°C / 77°F | 39 mm | 27 | — |
| September | 32°C / 89°F | 25°C / 78°F | 29 mm | 25 | — |
| October | 32°C / 89°F | 26°C / 78°F | 33 mm | 23 | — |
| November | 32°C / 89°F | 26°C / 78°F | 73 mm | 22 | — |
| December | 31°C / 88°F | 26°C / 78°F | 117 mm | 26 | — |
Other cities with similar October weather
🌍 See the full ranked list of climate twins for São Luís in October →
Frequently asked questions
How hot is São Luís in October?
In October, São Luís averages a high of 32°C (89°F) and a low of 26°C (78°F) — generally hot.
Does it rain a lot in São Luís in October?
October is quite rainy in São Luís, with about 23 rainy days on average.
Is October a good time to visit São Luís?
October is hot but on the rainy side. It suits travelers who are comfortable with hot weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for São Luís in October?
Pack lightweight, breathable clothing, sunglasses and sunscreen, plus a compact umbrella or rain jacket. See the full October packing list for São Luís for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.