Average annual temperature is 23.6 °C
Absolute maximum temperature: 34.3 °C
Absolute minimum temperature: 16.6 °C
Number of sunny days: 90 days
Number of rainy days: 275 days
Look at detailed online map of Maranhão
* Weather data for 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) | 32.5 | 32.3 | 32.0 | 31.3 | 30.3 | 28.9 | 28.1 | 30.8 | 32.0 | 34.3 | 34.2 | 33.2 |
| Average daytime temperature (°C) | 30.3 | 30.4 | 29.6 | 29.0 | 28.3 | 26.3 | 26.3 | 27.7 | 28.9 | 31.2 | 32.1 | 30.8 |
| Average temperature (°C) | 24.2 | 24.4 | 24.0 | 23.7 | 23.5 | 22.1 | 21.6 | 22.2 | 22.9 | 24.3 | 25.2 | 24.8 |
| Average night temperature (°C) | 19.9 | 20.3 | 20.2 | 20.1 | 20.2 | 19.5 | 18.4 | 18.4 | 18.8 | 19.3 | 20.0 | 20.5 |
| Absolute minimum temperature (°C) | 18.8 | 18.2 | 18.7 | 18.8 | 19.3 | 17.5 | 16.9 | 16.6 | 17.3 | 17.8 | 18.3 | 19.1 |
| 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) | 12.5 | 12.4 | 12.1 | 11.9 | 11.8 | 11.7 | 11.7 | 11.9 | 12.1 | 12.3 | 12.5 | 12.6 |
| 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) | 10.7 | 10.2 | 9.5 | 10.1 | 9.7 | 8.7 | 9.2 | 9.6 | 10.2 | 10.7 | 11.3 | 10.1 |
| Precipitation (mm) | 36 | 41 | 105 | 72 | 61 | 71 | 55 | 19 | 18 | 5 | 16 | 36 |
| Sunny days | 7 | 4 | 4 | 4 | 4 | 3 | 9 | 11 | 8 | 18 | 9 | 9 |
| Rainy days | 24 | 24 | 27 | 26 | 27 | 27 | 22 | 20 | 22 | 13 | 21 | 22 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Maranhão is at