weather cancun december
For the correct totals, please visit WeatherBase Cancun ) With the sun shining on average between 240 and 253 days per year, Cancun is a year-round holiday destination, although certain times of year may be more favorable than others. High season for travel falls between December and April. During these months the weather tends to be sunny, with temperatures hovering around 85ÂºF (30ÂºC) during the day and rarely dipping far below 65ÂºF (18ÂºC) at night.