In May, Viana typically sees daytime highs of 27.7°C and overnight lows around 19.2°C. Compared to the annual average high of 28.6°C, May runs -0.9°C.
May in Viana averages a daytime high of 27.7°C and an overnight low of 19.2°C.
May runs -0.9°C compared to Viana's annual average high of 28.6°C, ranking #7 of 12 months by warmth.
Plan for daytime highs near 27.7°C and cooler evenings around 19.2°C.