Average annual temperature is 27.8 °C
Absolute maximum temperature: 40.1 °C
Absolute minimum temperature: 18.8 °C
Number of sunny days: 216 days
Number of rainy days: 149 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) | 33.0 | 34.4 | 34.2 | 32.7 | 32.9 | 32.5 | 34.3 | 37.4 | 39.6 | 40.1 | 39.7 | 39.8 |
| Average daytime temperature (°C) | 31.1 | 31.6 | 30.6 | 31.0 | 31.2 | 30.9 | 32.0 | 33.9 | 35.6 | 37.6 | 36.7 | 36.3 |
| Average temperature (°C) | 26.3 | 26.4 | 25.9 | 25.9 | 26.3 | 26.0 | 26.5 | 28.0 | 29.4 | 31.3 | 30.9 | 31.0 |
| Average night temperature (°C) | 22.1 | 22.2 | 21.9 | 21.8 | 22.3 | 21.9 | 21.2 | 22.1 | 23.1 | 24.8 | 25.2 | 25.8 |
| Absolute minimum temperature (°C) | 19.8 | 19.7 | 20.6 | 18.8 | 20.1 | 19.7 | 19.4 | 19.9 | 21.3 | 23.1 | 23.9 | 23.4 |
| 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) | 10.6 | 10.9 | 9.8 | 10.2 | 10.4 | 10.3 | 10.6 | 11.1 | 11.2 | 11.2 | 10.8 | 10.7 |
| Precipitation (mm) | 55 | 95 | 137 | 54 | 48 | 9 | 1 | 0 | 0 | 0 | 20 | 13 |
| Sunny days | 4 | 5 | 7 | 5 | 14 | 24 | 30 | 30 | 28 | 30 | 17 | 22 |
| Rainy days | 27 | 23 | 24 | 25 | 17 | 6 | 1 | 1 | 2 | 1 | 13 | 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