In December, San Miguel de Cozumel typically sees daytime highs of 27.9°C and overnight lows around 20.2°C. Compared to the annual average high of 29.7°C, December runs -1.8°C.
December in San Miguel de Cozumel averages a daytime high of 27.9°C and an overnight low of 20.2°C.
December runs -1.8°C compared to San Miguel de Cozumel's annual average high of 29.7°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 27.9°C and cooler evenings around 20.2°C.