In May, Sullana typically sees daytime highs of 31.1°C and overnight lows around 19.1°C. Compared to the annual average high of 30.3°C, May runs +0.9°C.
May in Sullana averages a daytime high of 31.1°C and an overnight low of 19.1°C.
May runs +0.9°C compared to Sullana's annual average high of 30.3°C, ranking #6 of 12 months by warmth.
Plan for daytime highs near 31.1°C and cooler evenings around 19.1°C.