In May, Surabaya typically sees daytime highs of 31.4°C and overnight lows around 24.4°C. Compared to the annual average high of 31.3°C, May runs +0.1°C.
May in Surabaya averages a daytime high of 31.4°C and an overnight low of 24.4°C.
May runs +0.1°C compared to Surabaya's annual average high of 31.3°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 31.4°C and cooler evenings around 24.4°C.