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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Trade Wire UK weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Check the live forecast above for Cancún before you pack. This Mexican Caribbean destination enjoys a warm tropical climate year-round, but the weather you can expect depends heavily on the season. The most popular time to visit is the dry winter period, which runs roughly from November to April.
What is the typical Cancún weather like?
Cancún sits on the Yucatán Peninsula, so you can count on consistently high temperatures, high humidity and a distinct wet season. The average daytime high stays around 28–35 °C throughout the year, with the coolest months being December to February. The “cancun weather november” and “cancun weather december” periods are particularly pleasant, with lower humidity and a lower chance of tropical showers. For a longer outlook, you can check a 10 day weather forecast UK to compare conditions, though Cancún’s climate is far more stable than Britain’s.
What should you expect in December?
If you are looking up “cancun weather december”, you will find daytime temperatures in the mid-to-high 20s °C, balmy evenings and very little rain. The sea remains warm enough for swimming, and the risk of hurricanes has dropped. This is peak tourist season, so the weather is reliably good. For those planning further ahead, a “cancun weather forecast 30 day” can give a general trend, but remember that long-range predictions for the tropics are less precise than for the UK. You might also want to see Dubai Weather for another warm-weather alternative.
Is Cancún rainy in December?
December is one of the driest months in Cancún. You can expect around 60 mm of rain spread over a few days, usually as short tropical downpours. The chance of a washout week is very low.
What is the water temperature in Cancún during winter?
Sea temperatures in Cancún rarely drop below 26 °C even in winter. In December you will find water around 27 °C – very comfortable for swimming, snorkelling and diving without a wetsuit.
Do I need warm clothing for Cancún in December?
Evenings can feel a little cooler after sunset, especially if there is a breeze. A light jacket or cardigan is advisable for outdoor dining or walking along the beach, but you will not need heavy winter layers.