In May, Santiago typically sees daytime highs of 17.1°C and overnight lows around 4.5°C. Compared to the annual average high of 21.1°C, May runs -4.0°C.
May in Santiago averages a daytime high of 17.1°C and an overnight low of 4.5°C.
May runs -4.0°C compared to Santiago's annual average high of 21.1°C, ranking #9 of 12 months by warmth.
Plan for daytime highs near 17.1°C and cooler evenings around 4.5°C.