In December, Bintulu typically sees daytime highs of 29.9°C and overnight lows around 22.4°C. Compared to the annual average high of 30.6°C, December runs -0.7°C.
December in Bintulu averages a daytime high of 29.9°C and an overnight low of 22.4°C.
December runs -0.7°C compared to Bintulu's annual average high of 30.6°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 29.9°C and cooler evenings around 22.4°C.