Average annual temperature is 27.0 °C
Absolute maximum temperature: 38.0 °C
Absolute minimum temperature: 19.1 °C
Number of sunny days: 100 days
Number of rainy days: 265 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) | 31.1 | 31.9 | 31.8 | 31.8 | 32.4 | 33.1 | 33.9 | 35.3 | 37.3 | 38.0 | 36.0 | 36.3 |
| Average daytime temperature (°C) | 29.8 | 30.0 | 29.6 | 30.1 | 30.8 | 32.0 | 32.2 | 33.7 | 35.9 | 36.2 | 34.5 | 33.8 |
| Average temperature (°C) | 25.1 | 25.3 | 25.1 | 25.5 | 26.4 | 27.0 | 26.4 | 27.5 | 29.3 | 29.7 | 28.8 | 28.1 |
| Average night temperature (°C) | 21.8 | 22.1 | 22.3 | 22.4 | 22.8 | 22.9 | 21.4 | 22.1 | 23.4 | 24.2 | 24.3 | 23.9 |
| Absolute minimum temperature (°C) | 20.0 | 21.1 | 21.3 | 21.1 | 21.7 | 21.6 | 19.1 | 19.8 | 21.4 | 23.3 | 22.7 | 22.5 |
| 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 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.4 | 12.3 | 12.1 | 12.0 | 11.9 | 11.8 | 11.9 | 12.0 | 12.1 | 12.2 | 12.3 | 12.4 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 9.4 | 8.6 | 7.4 | 8.5 | 9.9 | 10.8 | 10.8 | 11.1 | 11.3 | 11.1 | 10.6 | 10.0 |
| Precipitation (mm) | 222 | 197 | 440 | 232 | 93 | 6 | 6 | 4 | 3 | 11 | 81 | 132 |
| Sunny days | 1 | 0 | 0 | 2 | 5 | 18 | 19 | 15 | 19 | 12 | 8 | 1 |
| Rainy days | 30 | 28 | 31 | 28 | 26 | 12 | 12 | 16 | 11 | 19 | 22 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Maranhão is at