In May, Altamira typically sees daytime highs of 30.8°C and overnight lows around 21.9°C. Compared to the annual average high of 31.4°C, May runs -0.6°C.
May in Altamira averages a daytime high of 30.8°C and an overnight low of 21.9°C.
May runs -0.6°C compared to Altamira's annual average high of 31.4°C, ranking #8 of 12 months by warmth.
Plan for daytime highs near 30.8°C and cooler evenings around 21.9°C.