Average annual temperature is 27.6 °C
Absolute maximum temperature: 40.1 °C
Absolute minimum temperature: 18.5 °C
Number of sunny days: 210 days
Number of rainy days: 155 days
Look at detailed online map of Belém do Piauí
* Weather data for Belém do Piauí 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) | 33.1 | 34.5 | 34.4 | 32.4 | 32.4 | 32.0 | 34.2 | 37.3 | 39.6 | 40.1 | 39.5 | 39.4 |
| Average daytime temperature (°C) | 31.0 | 31.4 | 30.5 | 30.7 | 30.9 | 30.6 | 31.8 | 33.8 | 35.5 | 37.5 | 36.5 | 35.9 |
| Average temperature (°C) | 26.2 | 26.2 | 25.8 | 25.8 | 26.0 | 25.7 | 26.3 | 27.8 | 29.2 | 31.1 | 30.7 | 30.7 |
| Average night temperature (°C) | 22.0 | 22.1 | 21.8 | 21.6 | 22.0 | 21.5 | 21.0 | 21.9 | 22.9 | 24.6 | 25.0 | 25.5 |
| Absolute minimum temperature (°C) | 19.2 | 19.6 | 20.5 | 18.5 | 20.3 | 19.0 | 19.3 | 19.3 | 21.1 | 22.6 | 23.7 | 23.0 |
| 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 | 12.3 | 12.1 | 11.9 | 11.8 | 11.7 | 11.7 | 11.9 | 12.1 | 12.3 | 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) | 10.5 | 10.9 | 9.6 | 10.1 | 10.3 | 10.2 | 10.5 | 11.0 | 11.2 | 11.2 | 10.9 | 10.6 |
| Precipitation (mm) | 67 | 89 | 131 | 86 | 57 | 12 | 0 | 0 | 0 | 0 | 16 | 16 |
| Sunny days | 3 | 6 | 4 | 4 | 13 | 23 | 28 | 30 | 28 | 30 | 19 | 22 |
| Rainy days | 28 | 22 | 27 | 26 | 18 | 7 | 3 | 1 | 2 | 1 | 11 | 9 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Belém do Piauí is at