In May, Santo Tomas typically sees daytime highs of 33.2°C and overnight lows around 23.7°C. Compared to the annual average high of 30.7°C, May runs +2.5°C.
May in Santo Tomas averages a daytime high of 33.2°C and an overnight low of 23.7°C.
May runs +2.5°C compared to Santo Tomas's annual average high of 30.7°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 33.2°C and cooler evenings around 23.7°C.