São Luís in April
In April, São Luís averages 29°C (85°F) during the day and 24°C (76°F) at night, with frequent rain — about 30 days of the month see precipitation (370 mm total).
ShoulderConditions are warm and beach-friendly. Expect daily rain or showers, often in heavy bursts.
April offers comfortable temperatures in São Luís, with some rain to plan around.
How April compares to the rest of the year in São Luís
April is one of the coolest months in São Luís (10th of 12) and moderately rainy compared to the rest of the year (4th of 12). Daytime temperature runs 1°C below the annual average (30°C). April runs 1°C warmer than March (29°C) and stays flat into May.
April sunrise & sunset in São Luís
Times shown for São Luís local time (America/Fortaleza), calculated for the 15th of April. They shift by a few minutes day to day across the month.
Photography light in São Luís — April
Golden-hour and blue-hour windows for the 15th of April, in São Luís's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — São Luís in April
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 April's tier (Shoulder) and São Luís's popularity.
Crowds & pricing — April 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 — April 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 April weather
🌍 See the full ranked list of climate twins for São Luís in April →
Frequently asked questions
How hot is São Luís in April?
In April, São Luís averages a high of 29°C (85°F) and a low of 24°C (76°F) — generally warm.
Does it rain a lot in São Luís in April?
April is quite rainy in São Luís, with about 30 rainy days on average.
Is April a good time to visit São Luís?
April is warm but on the rainy side. It suits travelers who are comfortable with warm weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for São Luís in April?
Pack lightweight, breathable clothing, sunglasses and sunscreen, plus a compact umbrella or rain jacket. See the full April packing list for São Luís for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.