In December, Surabaya typically sees daytime highs of 31.3°C and overnight lows around 24.1°C. Compared to the annual average high of 31.3°C, December runs -0.0°C.
December in Surabaya averages a daytime high of 31.3°C and an overnight low of 24.1°C.
December runs -0.0°C compared to Surabaya's annual average high of 31.3°C, ranking #6 of 12 months by warmth.
Plan for daytime highs near 31.3°C and cooler evenings around 24.1°C.