In May, Santiago typically sees daytime highs of 35.3°C and overnight lows around 22.9°C. Compared to the annual average high of 32.1°C, May runs +3.2°C.
May in Santiago averages a daytime high of 35.3°C and an overnight low of 22.9°C.
May runs +3.2°C compared to Santiago's annual average high of 32.1°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 35.3°C and cooler evenings around 22.9°C.