Average annual temperature is 28.4 °C
Absolute maximum temperature: 40.4 °C
Absolute minimum temperature: 19.6 °C
Number of sunny days: 201 days
Number of rainy days: 164 days
Look at detailed online map of Cajazeiras do Piauí
* Weather data for Cajazeiras 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) | 32.2 | 32.4 | 33.3 | 31.7 | 32.3 | 34.2 | 36.1 | 38.6 | 40.2 | 40.4 | 38.0 | 37.7 |
| Average daytime temperature (°C) | 30.2 | 30.3 | 30.2 | 30.7 | 31.1 | 31.7 | 34.0 | 35.9 | 37.7 | 38.9 | 36.1 | 34.9 |
| Average temperature (°C) | 25.8 | 26.0 | 25.9 | 26.0 | 26.7 | 26.8 | 28.4 | 30.0 | 31.5 | 32.7 | 30.5 | 29.9 |
| Average night temperature (°C) | 21.9 | 22.2 | 22.5 | 22.3 | 23.0 | 22.8 | 23.5 | 24.3 | 25.5 | 26.8 | 25.4 | 25.3 |
| Absolute minimum temperature (°C) | 19.6 | 20.3 | 21.1 | 20.1 | 21.2 | 20.7 | 22.2 | 23.3 | 23.9 | 24.5 | 23.3 | 22.7 |
| 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 | 12.0 | 11.8 | 11.7 | 11.8 | 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 | 10.1 | 9.1 | 10.0 | 10.3 | 10.5 | 10.9 | 11.2 | 11.3 | 11.2 | 10.9 | 9.9 |
| Precipitation (mm) | 109 | 134 | 204 | 63 | 41 | 2 | 0 | 1 | 0 | 0 | 33 | 63 |
| Sunny days | 0 | 3 | 2 | 6 | 20 | 27 | 29 | 28 | 30 | 28 | 16 | 12 |
| Rainy days | 31 | 25 | 29 | 24 | 11 | 3 | 2 | 3 | 0 | 3 | 14 | 19 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Cajazeiras do Piauí is at