Average annual temperature is 19.4 °C
Absolute maximum temperature: 37.2 °C
Absolute minimum temperature: 4.2 °C
Number of sunny days: 94 days
Number of rainy days: 271 days
Look at detailed online map of São Luis
* Weather data for São Luis Brazil is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 32.1 | 31.3 | 32.2 | 27.3 | 27.0 | 27.3 | 26.3 | 31.6 | 34.1 | 30.4 | 37.2 | 35.0 |
| Average daytime temperature (°C) | 28.4 | 27.7 | 28.1 | 23.7 | 22.4 | 20.6 | 19.8 | 22.4 | 25.0 | 23.4 | 26.8 | 30.1 |
| Average temperature (°C) | 22.7 | 22.5 | 22.5 | 18.9 | 17.1 | 14.6 | 14.9 | 16.0 | 19.1 | 18.9 | 21.3 | 24.0 |
| Average night temperature (°C) | 18.8 | 18.8 | 19.0 | 15.5 | 13.5 | 10.2 | 11.5 | 11.7 | 14.9 | 16.0 | 17.4 | 19.9 |
| Absolute minimum temperature (°C) | 13.7 | 12.0 | 14.7 | 7.3 | 6.8 | 4.2 | 4.9 | 6.2 | 6.4 | 12.3 | 9.7 | 15.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.6 | 13.0 | 12.2 | 11.4 | 10.8 | 10.5 | 10.6 | 11.2 | 11.9 | 12.7 | 13.4 | 13.8 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 |
| Sunshine mean duration (h) | 9.9 | 9.0 | 9.2 | 7.5 | 7.2 | 6.9 | 6.0 | 7.5 | 6.5 | 4.5 | 7.3 | 9.6 |
| Precipitation (mm) | 319 | 233 | 182 | 140 | 67 | 175 | 154 | 72 | 133 | 445 | 224 | 125 |
| Sunny days | 3 | 4 | 3 | 8 | 13 | 19 | 11 | 12 | 8 | 1 | 4 | 8 |
| Rainy days | 28 | 24 | 28 | 22 | 18 | 11 | 20 | 19 | 22 | 30 | 26 | 23 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit São Luis during the most sunny months:
The largest precipitation sum in São Luis is at