February in Petrolina is the cloudiest month of the year. In February, the weather in Petrolina is typically hot. Average daily high temperature in February is about 33 degrees above zero. On average, Petrolina has 15 cloudy, 8 partly cloudy, 4 sunny, and 2 rainy days in February. The rains are usually light. February as well as January, March, April, and October is considered the most uncomfortable time to visit Petrolina.