Weather in São Luís, Brazil
Historical monthly conditions · 2021–2025
Monthly averages
Average daily air-temperature lows/highs and peak wind gusts. Rain is the average monthly total.
| Month | Avg low | Avg high | Rain | Cloud cover | Avg peak gust |
|---|---|---|---|---|---|
| January | 26°C | 28°C | 245.8 mm | 78% | 30.5 km/h |
| February | 25°C | 28°C | 323.9 mm | 82% | 31.1 km/h |
| March | 25°C | 28°C | 488.8 mm | 86% | 28.6 km/h |
| April | 26°C | 28°C | 431.1 mm | 79% | 27.8 km/h |
| May | 26°C | 29°C | 256.0 mm | 65% | 29.7 km/h |
| June | 26°C | 29°C | 165.3 mm | 48% | 30.8 km/h |
| July | 26°C | 29°C | 83.5 mm | 40% | 30.8 km/h |
| August | 26°C | 29°C | 35.5 mm | 34% | 34.1 km/h |
| September | 27°C | 29°C | 19.5 mm | 38% | 38.4 km/h |
| October | 27°C | 29°C | 24.3 mm | 46% | 37.6 km/h |
| November | 27°C | 29°C | 40.5 mm | 53% | 34.7 km/h |
| December | 27°C | 29°C | 86.3 mm | 67% | 34.1 km/h |
Weather match by month
Feels like 15°C–30°C · cloud ≤60% · rain ≤0.1 mm/h · gust ≤50 km/h
Feels-like temperature accounts for humidity and wind in shade. Percentages cover 08:00–20:00 local solar time.
| Month | Match rate | |
|---|---|---|
| January | 10.7% | |
| February | 7.4% | |
| March | 3.8% | |
| April | 2.9% | |
| May | 2.2% | |
| June | 11.1% | |
| July | 18.0% | |
| August | 37.9% | |
| September | 59.2% | |
| October | 56.1% | |
| November | 43.5% | |
| December | 23.2% |
About this location and data
- Urban-centre population
- 1,264,379
- Elevation
- 7 m
- Coordinates
- 2.55°S, 44.24°W
- Urban area
- 245 km²
Weather averages use 2 ERA5 grid cells, weighted by the area of the urban centre in each cell.
2021-2025 recent-weather sample (not a 30-year normal).
How the weather scores are calculated