In May, Parnaiba typically sees daytime highs of 30.5°C and overnight lows around 23.8°C. Compared to the annual average high of 31.3°C, May runs -0.8°C.
May in Parnaiba averages a daytime high of 30.5°C and an overnight low of 23.8°C.
May runs -0.8°C compared to Parnaiba's annual average high of 31.3°C, ranking #9 of 12 months by warmth.
Plan for daytime highs near 30.5°C and cooler evenings around 23.8°C.