São Luís in March
In March, São Luís averages 29°C (84°F) during the day and 24°C (75°F) at night, with frequent rain — about 31 days of the month see precipitation (473 mm total).
ShoulderConditions are warm and beach-friendly. Expect daily rain or showers, often in heavy bursts.
March offers comfortable temperatures in São Luís, with some rain to plan around.
How March compares to the rest of the year in São Luís
March is one of the coolest months in São Luís (12th of 12) and one of the wettest months (1st of 12). Daytime temperature runs 1°C below the annual average (30°C). March runs roughly the same as February (29°C) and warms a further 1°C into April (29°C).
March sunrise & sunset in São Luís
Times shown for São Luís local time (America/Fortaleza), calculated for the 15th of March. They shift by a few minutes day to day across the month.
Photography light in São Luís — March
Golden-hour and blue-hour windows for the 15th of March, in São Luís's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — São Luís in March
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 March's tier (Shoulder) and São Luís's popularity.
March in Brazil — events that affect travel
Known cultural, religious, or national events that surge prices, fill hotels, or close businesses during this month. Plan around them, or build your itinerary around the ones you'd like to see.
The biggest party on earth — 5 days of all-night samba, blocos, and the Sambadrome. Rio hotels triple in price and book out 6 months ahead. Salvador and Recife host smaller versions.
Plan: Plan accommodation 6+ months ahead. The Sambadrome parades need separate tickets. Bring comfortable shoes.
Crowds & pricing — March 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 — March 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 March weather
🌍 See the full ranked list of climate twins for São Luís in March →
Frequently asked questions
How hot is São Luís in March?
In March, São Luís averages a high of 29°C (84°F) and a low of 24°C (75°F) — generally warm.
Does it rain a lot in São Luís in March?
March is quite rainy in São Luís, with about 31 rainy days on average.
Is March a good time to visit São Luís?
March 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 March?
Pack lightweight, breathable clothing, sunglasses and sunscreen, plus a compact umbrella or rain jacket. See the full March packing list for São Luís for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.