In December, Willemstad typically sees daytime highs of 29.9°C and overnight lows around 24.2°C. Compared to the annual average high of 30.6°C, December runs -0.8°C.
December in Willemstad averages a daytime high of 29.9°C and an overnight low of 24.2°C.
December runs -0.8°C compared to Willemstad'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 24.2°C.