Average annual temperature is 27.1 °C
Absolute maximum temperature: 40.2 °C
Absolute minimum temperature: 10.4 °C
Number of sunny days: 164 days
Number of rainy days: 201 days
Look at detailed online map of Baía de São Luís
* Weather data for Baía de São Luís 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) | 34.3 | 33.6 | 33.8 | 32.7 | 33.2 | 32.4 | 34.8 | 37.9 | 39.4 | 40.2 | 40.1 | 38.4 |
| Average daytime temperature (°C) | 31.5 | 31.1 | 30.8 | 30.2 | 29.9 | 28.2 | 31.4 | 34.3 | 36.1 | 37.8 | 36.4 | 34.6 |
| Average temperature (°C) | 26.6 | 26.5 | 26.3 | 25.6 | 24.5 | 21.7 | 24.1 | 27.4 | 30.0 | 31.8 | 31.1 | 29.5 |
| Average night temperature (°C) | 22.9 | 23.4 | 22.9 | 22.2 | 20.1 | 16.5 | 18.1 | 21.5 | 24.7 | 26.9 | 26.4 | 25.4 |
| Absolute minimum temperature (°C) | 20.3 | 21.5 | 21.9 | 15.4 | 15.8 | 10.4 | 13.4 | 18.5 | 17.1 | 22.6 | 20.0 | 23.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.0 | 12.6 | 12.2 | 11.7 | 11.3 | 11.1 | 11.2 | 11.6 | 12.0 | 12.5 | 12.9 | 13.1 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 |
| Sunshine mean duration (h) | 10.1 | 9.1 | 9.1 | 9.1 | 8.5 | 9.2 | 10.1 | 9.8 | 10.0 | 10.8 | 11.0 | 10.8 |
| Precipitation (mm) | 248 | 155 | 251 | 162 | 45 | 10 | 1 | 15 | 14 | 38 | 117 | 90 |
| Sunny days | 4 | 0 | 1 | 3 | 18 | 24 | 30 | 27 | 20 | 15 | 16 | 6 |
| Rainy days | 27 | 28 | 30 | 27 | 13 | 6 | 1 | 4 | 10 | 16 | 14 | 25 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Baía de São Luís is at