Average annual temperature is 27.2 °C
Absolute maximum temperature: 39.0 °C
Absolute minimum temperature: 17.4 °C
Number of sunny days: 203 days
Number of rainy days: 162 days
Look at detailed online map of Petrolina
* Weather data for Petrolina 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) | 33.9 | 35.2 | 36.1 | 34.3 | 31.4 | 31.1 | 33.7 | 36.0 | 37.4 | 38.7 | 37.8 | 39.0 |
| Average daytime temperature (°C) | 31.3 | 33.4 | 31.7 | 31.9 | 29.5 | 29.4 | 30.7 | 32.0 | 33.9 | 35.9 | 35.3 | 34.9 |
| Average temperature (°C) | 26.6 | 28.1 | 27.0 | 26.7 | 25.2 | 24.3 | 25.0 | 26.2 | 27.7 | 29.5 | 29.9 | 29.7 |
| Average night temperature (°C) | 22.2 | 23.1 | 22.6 | 22.2 | 21.7 | 20.5 | 19.6 | 20.6 | 21.3 | 22.8 | 24.1 | 24.2 |
| Absolute minimum temperature (°C) | 21.0 | 21.3 | 20.0 | 20.5 | 20.0 | 18.9 | 17.4 | 17.7 | 19.2 | 20.7 | 21.9 | 21.2 |
| 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) | 12.6 | 12.4 | 12.2 | 11.9 | 11.7 | 11.6 | 11.6 | 11.8 | 12.1 | 12.3 | 12.5 | 12.7 |
| 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) | 11.0 | 10.8 | 10.1 | 10.4 | 8.8 | 8.3 | 9.6 | 9.6 | 10.8 | 11.3 | 11.4 | 10.7 |
| Precipitation (mm) | 36 | 40 | 88 | 40 | 24 | 9 | 1 | 3 | 0 | 0 | 24 | 32 |
| Sunny days | 7 | 11 | 8 | 10 | 12 | 13 | 24 | 21 | 27 | 30 | 19 | 21 |
| Rainy days | 24 | 17 | 23 | 20 | 19 | 17 | 7 | 10 | 3 | 1 | 11 | 10 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Petrolina is at