In May, Santo Tome typically sees daytime highs of 21.5°C and overnight lows around 10.0°C. Compared to the annual average high of 24.8°C, May runs -3.3°C.
May in Santo Tome averages a daytime high of 21.5°C and an overnight low of 10.0°C.
May runs -3.3°C compared to Santo Tome's annual average high of 24.8°C, ranking #9 of 12 months by warmth.
Plan for daytime highs near 21.5°C and cooler evenings around 10.0°C.