Weather in São Luís
What's the weather like in São Luís?
São Luís has warm year-round and heavy rainfall, especially in the wet season. Average daytime highs range from 30°C (85°F) in January to 30°C (86°F) in July, with overnight lows around 25°C (76°F) and 24°C (76°F) respectively.
No month in São Luís sits in the typical comfort range of 18–26°C. The most temperate months are usually March and February.
Quick facts
- Country
- 🇧🇷 Brazil
- Region
- South America
- Time zone
- America/Fortaleza
- Coordinates
- -2.531, -44.307
Monthly climate
Long-run averages for each month of the year.
| 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 | — |
São Luís by month
Detailed weather for any specific month:
Cities with a similar climate to São Luís
Frequently asked questions
When is the best time to visit São Luís?
The most comfortable months in São Luís are usually February, October, November, when average highs sit near 18–26°C (64–79°F) with relatively little rain. See the full month-by-month breakdown for the exact figures.
What is the hottest month in São Luís?
October is typically the hottest month in São Luís, averaging a high of 32°C (89°F).
What is the coldest month in São Luís?
March is usually the coldest, with average lows around 24°C (75°F).
Does it snow in São Luís?
Snow is rare in São Luís; the climate data shows essentially no snowfall across the year.
Live forecast, sunrise/sunset, and more.