In May, San Ildefonso typically sees daytime highs of 34.6°C and overnight lows around 24.9°C. Compared to the annual average high of 31.9°C, May runs +2.7°C.
May in San Ildefonso averages a daytime high of 34.6°C and an overnight low of 24.9°C.
May runs +2.7°C compared to San Ildefonso's annual average high of 31.9°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 34.6°C and cooler evenings around 24.9°C.