In May, Petrolina typically sees daytime highs of 30.5°C and overnight lows around 21.1°C. Compared to the annual average high of 31.6°C, May runs -1.1°C.
May in Petrolina averages a daytime high of 30.5°C and an overnight low of 21.1°C.
May runs -1.1°C compared to Petrolina's annual average high of 31.6°C, ranking #9 of 12 months by warmth.
Plan for daytime highs near 30.5°C and cooler evenings around 21.1°C.