Average annual temperature is 26.5 °C
Absolute maximum temperature: 37.5 °C
Absolute minimum temperature: 20.4 °C
Number of sunny days: 66 days
Number of rainy days: 299 days
Look at detailed online map of Sao Louis
* Weather data for Sao Louis 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) | 31.8 | 31.7 | 33.4 | 32.8 | 32.5 | 32.6 | 32.4 | 36.2 | 37.2 | 37.5 | 36.2 | 34.6 |
| Average daytime temperature (°C) | 29.6 | 29.2 | 30.8 | 30.3 | 30.3 | 30.1 | 30.9 | 33.6 | 35.2 | 34.8 | 33.6 | 32.2 |
| Average temperature (°C) | 24.9 | 24.9 | 25.8 | 25.8 | 25.8 | 25.5 | 26.0 | 27.5 | 28.6 | 28.3 | 27.9 | 27.2 |
| Average night temperature (°C) | 21.9 | 22.3 | 22.5 | 22.9 | 22.8 | 22.3 | 22.6 | 23.0 | 23.4 | 23.4 | 23.8 | 23.8 |
| Absolute minimum temperature (°C) | 21.0 | 21.5 | 20.9 | 21.8 | 22.2 | 20.4 | 21.3 | 21.1 | 21.7 | 22.2 | 22.2 | 22.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 8.4 | 7.7 | 9.1 | 8.4 | 8.6 | 9.4 | 10.3 | 10.7 | 10.9 | 10.6 | 10.7 | 9.8 |
| Precipitation (mm) | 245 | 318 | 136 | 217 | 288 | 172 | 159 | 73 | 63 | 21 | 41 | 134 |
| Sunny days | 1 | 1 | 7 | 1 | 0 | 0 | 0 | 10 | 17 | 19 | 9 | 1 |
| Rainy days | 30 | 27 | 24 | 29 | 31 | 30 | 31 | 21 | 13 | 12 | 21 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sao Louis is at