Average annual temperature is 28.2 °C
Absolute maximum temperature: 40.3 °C
Absolute minimum temperature: 19.3 °C
Number of sunny days: 174 days
Number of rainy days: 191 days
Look at detailed online map of São Francisco do Maranhão
* Weather data for São Francisco do Maranhão 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) | 31.6 | 31.7 | 32.2 | 31.7 | 32.2 | 33.6 | 36.4 | 38.2 | 40.3 | 40.3 | 39.7 | 38.6 |
| Average daytime temperature (°C) | 29.5 | 29.7 | 29.6 | 30.1 | 30.8 | 32.0 | 33.7 | 35.6 | 37.8 | 38.7 | 36.2 | 34.9 |
| Average temperature (°C) | 25.5 | 25.6 | 25.5 | 25.8 | 26.5 | 27.1 | 28.1 | 29.9 | 31.6 | 32.5 | 30.3 | 29.6 |
| Average night temperature (°C) | 22.0 | 22.3 | 22.3 | 22.3 | 22.8 | 22.7 | 22.8 | 24.0 | 24.9 | 25.9 | 24.9 | 24.9 |
| Absolute minimum temperature (°C) | 21.0 | 21.0 | 20.6 | 19.3 | 20.9 | 20.8 | 20.3 | 23.0 | 22.1 | 23.7 | 21.8 | 22.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.4 | 12.3 | 12.1 | 12.0 | 11.8 | 11.8 | 11.8 | 11.9 | 12.1 | 12.2 | 12.4 | 12.5 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 10.4 | 9.4 | 9.0 | 9.7 | 10.4 | 10.8 | 11.0 | 11.2 | 11.3 | 11.2 | 11.0 | 10.0 |
| Precipitation (mm) | 170 | 153 | 313 | 89 | 34 | 2 | 0 | 1 | 0 | 2 | 41 | 60 |
| Sunny days | 0 | 1 | 1 | 1 | 16 | 23 | 29 | 25 | 30 | 26 | 12 | 10 |
| Rainy days | 31 | 27 | 30 | 29 | 15 | 7 | 2 | 6 | 0 | 5 | 18 | 21 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in São Francisco do Maranhão is at