In December, Sihanoukville typically sees daytime highs of 31.2°C and overnight lows around 22.5°C. Compared to the annual average high of 31.8°C, December runs -0.6°C.
December in Sihanoukville averages a daytime high of 31.2°C and an overnight low of 22.5°C.
December runs -0.6°C compared to Sihanoukville's annual average high of 31.8°C, ranking #8 of 12 months by warmth.
Plan for daytime highs near 31.2°C and cooler evenings around 22.5°C.